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W8TEE and K2ZIA Win the November 2017 QST Cover Plaque Award

ARRL News - Mon, 11/20/2017 - 3:08pm

The winning article for the November 2017 QST Cover Plaque award is “Build Your Own Arduino-Based Antenna Analyzer” by Jack Purdum, W8TEE, and Farrukh Zia, K2ZIA. The QST Cover Plaque Award -- given to the author or authors of the most popular article in each issue -- is determined by a vote of ARRL members on the QST Cover Plaque Poll web page. Cast a ballot for your favorite article in the De...

Categories: Amateur radio news

Mysterious Signals Did Not Come from Missing Submarine ; MF/HF Frequencies Listed

QRZ Now - Mon, 11/20/2017 - 1:23pm

Satellite signals heard over the weekend did not come from a missing Argentine Navy submarine San Juan that went missing on November 15, dashing hopes that the vessel could be located. The submarine had reported a malfunction, had surfaced, and was headed back to its base when the Navy lost contact with it. The sub, built in Germany in the 1980s, carries a crew of 44.

Vessels from Argentina, the US, Great Britain, Chile, and Brazil have joined other vessels and aircraft looking for the submarine.

A Naval commander told media today that the submarine had surfaced and reported “an electrical problem” before it disappeared some 270 miles off the South American coast on its return to its base at Mar del Plata.

Over the weekend, Argentina’s Defense Ministry reported receiving seven “failed satellite calls” that officials thought might be coming from the missing submarine. No contact was made, and no transmissions occurred. Poor weather has complicated the search.

Over the weekend, IARU Region 2 News Editor Joaquín Solana, XE1R, issued a list of marine frequencies, suggesting that radio amateurs and SWLs listen for any signals that could be related to the missing San Juan. Frequencies are 2,065.0 kHz; 2,182.0 kHz; 3,023.0 kHz; 3,860.6 kHz; 4,125.0 kHz; 4,143.6 kHz; 6,218.6 kHz, and 8,528.0 kHz on HF, as well as 42.395 MHz, 43.040 MHz, and 84.470 MHz. The MF emergency frequencies of 416 kHz, 437 kHz, and 500 kHz also were suggested.

Source:ARRL

(adsbygoogle = window.adsbygoogle || []).push({}); Antenna 2 Meter Quad PVC Pipe Antenna by KG0ZZ July 22, 2015 No comments

2 Meter Quad This is a different way of using PVC pipe to build a 2 meter cubical quad antenna. Instead of an “X” style spreader this ante... Read more

Antennas for Difficult Situations: Ask Dave Episode 7 June 22, 2016 No comments

    Read more

DCU-3 Programmable Rotator Controller January 10, 2015 No comments

  DCU-3 Programmable Rotator Controller6 Programmable memories; Point & shoot and manual control!DCU-3 Digital Controllers feature six presets for... Read more

Amateur Radio Tower Stand – KG0ZZ’s September 30, 2015 No comments

  A close up view of my ham radio tower and tower stand. The tower is five sections of Rohn 25-G tower. The top section is 8 feet long making the... Read more

VHF Kenwood TH-F6A 144/220/440MHz December 14, 2014 No comments

Kenwood TH-F6A 144/220/440MHz Finally, the Amateur Handheld that everyone has been waiting for, the New Kenwood TH-F6A. The TH-F6A is a 144/220/440 MH... Read more

Compare All BaoFeng Radios April 13, 2015 No comments

Compare All BaoFeng Radios   Web Based Comparison Chart See More:         Read more

Quantun QP-2100 VHF and UHF March 17, 2015 No comments

  Quantun QP-2100 VHF and UHF Key Features Frequency Range: 400-470 MHz UHF / 136-174 MHz VHF 4/5 W 1,000 Channels 12.5 KHz Channel Spacing DTMF... Read more

New Yaesu FTM-100DR System Fusion radio coming this June! May 14, 2015 No comments

      Yaesu FTM-100DR Item Description Dual Band Analog/Digital Mobile Transceiver Detailed Description FTM-100DR 2M/70 cm Dual-Band C4... Read more

Equipment QRPver-1 v.3 ONE band QRP transceiver November 18, 2016 No comments

The transceiver is built on the scheme with a single superheterodyne frequency conversion and four Crystal quartz filter. The device is controlled by... Read more

Icom IC-R8500 Communications Receiver May 13, 2016 No comments

Icom IC-R8500 Wide Frequency coverage. The IC-R8500 covers a wide frequency range continuously from 0.1 to 2000 MHz,* with 10 Hz resolution, while mai... Read more

Mobile Communications Center – Go Box by KI6AIX April 15, 2015 No comments

  Designed and built by Dennis, KI6AIX. This Mobile Comm Center features VHF and UHF two-way radios, a scanner, internal battery or power supply.... Read more

CW Decoder – Inac February 24, 2016 No comments

decoder translates and displays the tones of a telegraph or teletype signal on a display of alphanumeric characters. Only required to run a connection... Read more

Digital Modes New Digital Modes Changing Complexion of Bands and Perhaps of Ham Radio November 02, 2017 No comments

The wave of software-based digital modes over the past several years has altered the atmosphere of the HF bands. Some suggest the popularity of modes... Read more

Everybody’s Trying the New FT8! November 02, 2017 No comments

“FT8 is the newest weak-signal mode from Joe Taylor, K1JT, and friends. It operates very much like JT65 but is four times faster and more automa... Read more

Goodbye FT8, Hello Olivia, The Magic HF Digital Mode October 24, 2017 No comments

“So many people have started using FT-8 on HF, but they leave all the other modes to die off, like Olivia. Olivia isn’t new, but it offers... Read more

Caution Urged in Using High Duty Cycle Digital Modes via Satellite October 22, 2017 No comments

A report in ANS-288 discussed an experiment operating with the WSJT-X FT8 digital mode via satellite. Satellite operators have gained more experience... Read more

Review Hamfest 2017 – Preview of the Icom IC-7610 and IC-R8600 rigs November 17, 2017 No comments

In part one of our reports from Hamfest 2017 we have a sneak preview of the Icom IC-7610 and IC-R8600 rigs. We meet the new owners of PW Magazine, and... Read more

Ailuance HD-1 Dual Band DMR HT Debut [ Video ] November 14, 2017 No comments

Check out this new dual band DMR HT and how easy it is to program! Read more

All WX Solar Powered Amateur Radio Field Station November 14, 2017 No comments

  “In today’s video I’d like to discuss the concept of a solar-powered field station for amateur radio emergency communications... Read more

Why You Should (and shouldn’t) Upgrade Your Amateur Radio License – Ham Radio Q&A November 08, 2017 No comments

“Congratulations! You just earned your FCC Technician amateur radio license. I bet when you took the test, one of the examiners asked if you wis... Read more

 

Mysterious Signals Did Not Come from Missing Submarine; MF/HF Frequencies Listed

ARRL News - Mon, 11/20/2017 - 12:52pm

Satellite signals heard over the weekend did not come from a missing Argentine Navy submarine San Juan that went missing on November 15, dashing hopes that the vessel could be located. The submarine had reported a malfunction, had surfaced, and was headed back to its base when the Navy lost contact with it. The sub, built in Germany in the 1980s, carries a crew of 44.

Vessels from Argentina, the...

Categories: Amateur radio news

ARRL Seeks Nominations for 2017 ARRL Bill Leonard Award

ARRL News - Mon, 11/20/2017 - 11:09am

ARRL is seeking nominations for the prestigious Bill Leonard Award. Created as a tribute to the late CBS News President Bill Leonard, W2SKE, an avid radio amateur and advocate for the service. Each year, the award honors three professional journalists whose outstanding media coverage highlights the enjoyment, importance, and public service value of Amateur Radio. Awards are given for audio, vis...

Categories: Amateur radio news

ARRL Headquarters Closed on Thursday, November 23, and Friday, November 24

ARRL News - Mon, 11/20/2017 - 7:00am

ARRL Headquarters will be closed for the Thanksgiving holiday on Thursday, November 23, and Friday, November 24. W1AW bulletin and code practice transmissions and editions of The ARRL Letter or ARRL Audio News will not be available on those days. Headquarters will reopen at 8 AM EST on Monday, November 27. We wish everyone a safe and enjoyable Thanksgiving holiday.

Categories: Amateur radio news

IRN – International Radio Network

QRZ Now - Mon, 11/20/2017 - 6:52am

The IRN (International Radio Network) is a VoIP/RoIP system using Teamspeak 3 (TS3) that allows radio users to TX/RX using RF around the World using  different devices (Mobile Phones, Tablets, Computers etc) for free.

The system also allows users to create private talkgroups for point to point or private group QSO’s.
If you would like to add your link, repeater or hub to the IRN system, please use the contact us section to drop us a line.
TS3 is available on Apple, Android, PC, Mac and Linux. The IRN has it’s own private server allowing hundreds of connections at once. There are different talkgroups (channels) within that allow users full RX/TX capabilities across different radio networks and systems from across the globe.
To make it more interesting, you can use PTT-enabled smartphones like the ones listed below. Most of the hams use PTT-enabled phones, so they can use the IRN with the same style as they use a handheld radio. The IRN talk groups can be accessed via GPRS / 3G / 4G / Wifi or RF (depending on the repeaters).

Please note: This system is free to use for both non-licensed* & licensed hams. Live ham-radio repeaters can only be accessed by licensed hams.

*Non-licensed users must apply for membership of IRN in order to have a callsign generated for them (Don’t worry, it’s also free).

The following devices have a dedicated PTT button that will make your experience even better when using the IRN.

SOFTWARE INSTALATION – HOW TO CONFIGURE IRN ON YOUR EQUIPMENT

Please click on the link below to download the PDF file for your device.
These PDF files can be downloaded so that you can set up your device with the IRN server details.
Please note, that once you have signed into the server, an admin will need to verify you and assign you voice rights. This will only be done once you are verified.
In case of any issues, we will contact you via email (please supply one directly if you do not have one listed on QRZ).
For non-licensed users, please follow the link on the home page to IRN and join via them so that you can have access to the server.

(adsbygoogle = window.adsbygoogle || []).push({}); How to install on Android
This is a PDF file with step by step instructions on how to download and install Teamspeak 3 and set it up on the IRN server.
How to set up Teamspeak 3 Android.pdf
Adobe Acrobat document [750.1 KB] How to install on iOs (Apple)
This is a PDF file with step by step instructions on how to download and install Teamspeak 3 and set it up on the IRN server.
How to set up Teamspeak 3 Iphone.pdf
Adobe Acrobat document [1’023.8 KB] How to install on Windows
This is a PDF file with step by step instructions on how to download and install Teamspeak 3 and set it up on the IRN server.
How to set up Teamspeak 3 Windows PC.pdf
Adobe Acrobat document [860.1 KB] How to use the IRN Server once you are connected.
This PDF gives you some instructions on some of the basic features that are available on the IRN.
There are lots of things not included on here, but we’d recommend that new users give it a read through to help explain what different things mean.
IRN – How to use the IRN Server.pdf
Adobe Acrobat document [546.0 KB] T&C’s – IRN usage guidelines for all users.
Whilst most of what we do is common sense, we do have a set of guidelines that are there to make the system both fairer and safer for everyone to use. Please have a read prior to using our system.
IRN TC’s.pdf
Adobe Acrobat document [353.4 KB]

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Antenna Create CLP-5130-1N VHF/UHF Log-Periodic Antennas – VHF/UHF, 21 Elements, 50-1300 MHz March 15, 2016 No comments

VHF/UHF Log-Periodic Antenna Antenna, LPDA Type, VHF/UHF, 21 Elements, 50-1300 MHz, 500 W, 50 ohms, 6.66 ft. Boom Length, Type N, Female Create CLP-51... Read more

DX Engineering Coax Cable Stripping Tools DXE-UT-8213 December 24, 2014 No comments

  DX Engineering Coax Cable Stripping Tools provide a new and easy way to prepare your 50 ohm coax cable for the installation of solder-type PL-2... Read more

Gizmotchy Beam Antenna February 23, 2016 No comments

The Gizmotchy® high performance horizontal and vertical beam antenna traces its roots back to the early dawn of CB history.  The Gizmotchy® antenna st... Read more

6-160 Meter Alpha Antenna 300W RECON FIELD DAY SPECIAL June 13, 2016 No comments

The RECON provides a multipurpose antenna system, which can be configured to launch your signal in the manner as circumstances require. Many short-ran... Read more

VHF ID-51E PLUS2 Dual Band D-STAR Digital Transceiver launches in the UK May 06, 2017 No comments

Icom’s latest generation of D-STAR handportable is now available. The ID-51E PLUS2 allows you to make digital voice and data calls through the worldwi... Read more

Unboxing and Testing the TYT MD-398 10-watt DMR HT November 22, 2016 No comments

The main difference between MD-380 and MD-398   Difference MD-380 MD-398 Time slot Two time slot One time slot Battery capacity 2000mAh 2800mAh B... Read more

RFinder – The World Wide Repeater Directory now supports DMR-MARC WW Network! September 28, 2015 No comments

RFinder and DMR-MARC.net has completed its integration… RFinder now has a regular feed of the DMR Repeater list (MOTOTRBO, a.k.a. TRBO) worldwid... Read more

ARRL Announces Partnership with RFinder — The Worldwide Repeater Directory February 04, 2016 No comments

ARRL has established an agreement with RFinder, the creator of a web and app-based directory of Amateur Radio repeaters worldwide, to be its preferred... Read more

Equipment FLEX-6700 January 08, 2015 No comments

  The FLEX-6700™ is for the most demanding amateur radio operator who desires the ultimate on-air experience.  With dual spectral capture units (... Read more

ICOM IC-7851 – ALL THE DETAILS December 19, 2014 No comments

Take the DXer to follow a weak signal, biggest enemy is the interference caused by strong signal of proximity frequency. This is an index is RMDR (Rec... Read more

The Racal RA3712 Professional Receiver November 11, 2015 No comments

Racal RA3712 “The Racal RA3712 is a relatively hard to come by professional receiver. It was widely used by the Royal Navy, but certainly found... Read more

TEN-TEC RX-340 Commercial Monitor Receiver March 20, 2015 No comments

  The TEN-TEC RX 340 is a multi mode, general coverage synthesized receiver utilizing extensive Digital Signal Processing. DSP brings the perform... Read more

New InnovAntennas Quads

QRZ Now - Mon, 11/20/2017 - 6:35am

NEW FOR 2018!

Following on from our successful LFA-Q compact quads, we are adding a more traditional looking quad to our range which boasts two of the features of the LFA-Q. It is a Rigid quad using tubes rather than wires (which enhances gain) and uses twin booms top and bottom to complete a very sturdy package. The antenna looks more like a traditional quad too being very square in appearance although the height of the quad elements are the same, just the element width changes in length.

The example pictured is for 50MHz and has a boom length of just 53cms yet packs a mighty punch with 7.6dBi forward gain and 18dB F/B and like all G0KSC designed antennas has a direct 50Ohm feed so no matching device losses or noise and no input power limit!

This first-of-breed Quads is installed at G0KSC for testing and a full range down to 21MHz will be applied to the range for the coming year.

Keep an eye on the InnovAntennas Facebook page and website for updates or register your interest at sales@innovantennas.com

www.innovantennas.com

(adsbygoogle = window.adsbygoogle || []).push({}); Equipment Codan 2110M – HF Transceiver – Military March 05, 2015 No comments

    Frequency rangeTransmit: 1.6 to 30 MHz, 10 Hz steps Receive: 0.25 to 30 MHz, 10 Hz steps Frequency Stability: ±0.5 ppm from –30°C to +60... Read more

AR5001D 40kHz-3.15GHz, Professional Grade Communications Receiver February 16, 2016 No comments

AR5001D 40kHz-3.15GHz Cellular frequencies blocked on USA version; unblocked version available to qualified entities, documentation required. Download... Read more

Build a 25’-50’ free standing Tilt then Crank up tower antenna February 28, 2016 No comments

Build a 25’-50’ free standing tower Detailed Description You will receive the drawing package so you can build your own tilt up tower. To be used for... Read more

CD-45II METERED ROTATOR W/FRICTION BRAKE 8.5 SF MT N TOWER October 31, 2015 No comments

The CD-45II handles 8.5 sq. feet mounted inside a tower, or 5 sq. ft. with mast adapter. Low temperature grease good to -30 F degrees. Bell rotator de... Read more

Review Review of MFJ-1886 Rx-only Antenna May 18, 2017 No comments

MFJ-1886 Loop Antenna Dig out previously unreadable signals and track down annoying sources of interference with the MFJ-1886 HF Receive Loop Antenna!... Read more

Debut of the TYT MD-2017 Dual Band DMR HT May 29, 2017 No comments

Double the fun of digital ragchews with the TYT MD-2017 Dual Band DMR Digital Two Way Radio! The MD-2017 takes the clarity and full quieting of digita... Read more

MFJ-911H Balun Review 160-10 meters 300W February 09, 2017 No comments

“Today on Hamradiocomms I review the excellent MFJ-911H Current Balon. Handles 160-10 meters 300W and has switchable 1:1 or 4:1 baluns. Makes po... Read more

Windom 40 Antenna By Chameleon Antenna February 27, 2017 No comments

Check out this video on the Windom 40 Antenna from Chameleon Antenna. This antenna is an off center dipole that was specifically designed for 40, 20 a... Read more

VHF AC6V’s GUIDE TO FM REPEATERS January 11, 2015 No comments

  AC6V’s GUIDE TO FM REPEATERS This book is six months in the writing and features the advice of several noted Amateurs and technical gurus... Read more

JUENTAI JT-K10A VHF/UHF 10 Watts October 14, 2015 No comments

JUENTAI JT-K10A    JUENTAI JT-K10AT Function: 01. Outpower: 10W 02. Adopting newest polymer Li-ion battery 03. Adopting imported PC material in case t... Read more

ICOM IC-80AD March 10, 2015 No comments

Switchable VHF/UHF dual bander The IC-80AD provides VHF/UHF dual band capabilities (one band at a time) via a simple band switching system. Wideband r... Read more

Icom Provide Details of ID-4100E D-STAR VHF/UHF Mobile Radio March 01, 2017 No comments

Icom Inc has issued preliminary details of a new D-STAR mobile radio called the ID-4100E. The radio will come with the new terminal and access point m... Read more

Digital Modes FSQCALL – New Digital Mode August 20, 2015 No comments

A Directed Messaging System for FSQ Introducing FSQCall Sending text using FSQ is generally very reliable, certainly more so than other digital modes... Read more

FT-8 Digital Mode Has Taken Over The HF Bands! October 17, 2017 No comments

“Finally got my antenna back up today, decided to take a browse through the bands. There is a ton of FT-8 to be had on all the HF bands. Don... Read more

EURAO Party – Autumn 2014: be digital, explore 30m December 18, 2014 No comments

  The European Radio Amateurs’ Organization, together with the 30 Meter Digital Group , announce a new party on the air, this time with the... Read more

Everybody’s Trying the New FT8! November 02, 2017 No comments

“FT8 is the newest weak-signal mode from Joe Taylor, K1JT, and friends. It operates very much like JT65 but is four times faster and more automa... Read more

IARU Participation in ITU-Radiocommunication Consultations Called “Mutually Beneficial”

QRZ Now - Sun, 11/19/2017 - 10:00am

International Amateur Radio Union (IARU) President Tim Ellam, VE6SH/G4HUA, has praised the value of the IARU’s participation over the years in International Telecommunication Union (ITU) International Radio Consultative Committee (CCIR) and ITU Radiocommunication Sector (ITU-R) study groups. CCIR was the forerunner to ITU-R. In an article, “The International Amateur Radio Union and CCIR/ITU–R” in the latest issue of ITU News Magazine (see page 55), Ellam said the IARU has been a “regular contributor” to the CCIR and ITU-R study groups and working parties on behalf of the world’s Amateur Radio community. This year marks the 90th anniversary of CCIR/ITU-R study groups; the IARU was first admitted to the work of CCIR in 1932.

“The relationship is mutually beneficial,” Ellam wrote. “The Amateur and Amateur-Satellite services offer…private citizens…the opportunity to intercommunicate and experiment with radio transmission to increase their personal knowledge and skills. Radio amateurs [provide] communications at no cost with their own equipment in the event of natural disasters. They share what they learn with one another and with the wider telecommunications community, in part through ITU–R Recommendations and Reports.”

ITU–R Study Group 5 and Working Party 5A (WP-5A) are home to both the Amateur and the Amateur-Satellite services. ITU-R Study Groups met this past week in the run-up to World Radiocommunication Conference 2019 (WRC-19). Working Group 5A1, chaired by Dale Hughes VK1DSH, is responsible for WRC-19 Agenda Item 1.1, which is looking into a 50-54-MHz band allocation in Region 1, harmonized with the allocations in Regions 2 and 3.

ITU-R Recommendation M.1732, “Characteristics of systems operating in the Amateur and Amateur-Satellite services for use in sharing studies,” was developed by and updated in WP-5A. “The IARU also participates, as appropriate, in other Working Parties of Study Group 5,” Ellam explained.

ITU–R also maintains the standard for International Morse code characters and operational provisions, Ellam pointed out. He noted that while radio amateurs experiment with advanced digital coding and signal processing techniques, they are also the world’s largest group of regular International Morse code users.

Ellam said unwanted emissions that lead to interference — sometimes called spectrum pollution — are of growing concern to radio amateurs. “The radio spectrum is an irreplaceable natural resource,” he said. “Unintended and unnecessary radio frequency emissions from poorly maintained electric power lines and poorly designed electronic devices and systems can cause interference that degrades the capacity of the radio spectrum to support communication.”

Ellam said that as new technologies such as wireless power transmission (WPT) are developed, it’s essential that the highest possible priority be given to developing and implementing standards to prevent radio spectrum pollution.

Ellam said an increasing number of short-mission, non-geostationary satellites are being proposed “for operation in the limited amateur-satellite allocations,” inconsistent with the objectives of the Amateur-Satellite Service. He said the IARU appreciates efforts within ITU-R working parties “to identify more suitable spectrum for telemetry, tracking, and command of these satellites” at WRC‑19.

“The IARU congratulates the ITU–R Study Groups for continuing to build on the magnificent record of the CCIR in furthering the advancement of radiocommunication,” Ellam concluded.

Ellam is an invited panelist at the 90th anniversary celebration of the CCIR/ITU-R Study Groups on November 21 in Geneva.

Source:ARRL

(adsbygoogle = window.adsbygoogle || []).push({}); Equipment PALSTAR LA1K – 1000 watt RF Sensing Amplifier November 06, 2017 No comments

FCC approval pending. Not yet available for sale. The new LA-1K 1000 watt RF Sensing Amplifier. While the LA-1K will work with a wide variety of tuner... Read more

XTRX – A high-performance SDR in a mini PCIe form factor November 06, 2017 No comments

A high-performance SDR in a mini PCIe form factor Features & Specifications RF Chipset: Lime Microsystems LMS7002M FPRF FPGA Chipset: Xilinx Artix... Read more

New DV4Home V2 digital IP transceiver for D-Star, DMR, C4FM, NXDN October 29, 2017 No comments

 DV4home V2    The DV4home V2 is another member of the successful family of DV4 products. As usual it supports all digital modes, while simplifyi... Read more

VHF IARU Region 1 announce a new edition (8.00) of the VHF Handbook October 30, 2017 No comments

The new version of the VHF handbook is available in the “Resources” section of the website and can be accessed at IARU Region 1 VHF Manage... Read more

Ailunce HD1 dual band DMR Radio is coming October 25, 2017 No comments

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TH-D74 VHF/UHF Dual Band Handheld with GPS Webnair October 03, 2017 No comments

The TH-D74 is Kenwood’s latest hand held transceiver. It offers a wide range of features including digital (D-STAR), 2m/70cm analogue FM, APRS as well... Read more

Review Hamfest 2017 – Preview of the Icom IC-7610 and IC-R8600 rigs November 17, 2017 No comments

In part one of our reports from Hamfest 2017 we have a sneak preview of the Icom IC-7610 and IC-R8600 rigs. We meet the new owners of PW Magazine, and... Read more

Ailuance HD-1 Dual Band DMR HT Debut [ Video ] November 14, 2017 No comments

Check out this new dual band DMR HT and how easy it is to program! Read more

All WX Solar Powered Amateur Radio Field Station November 14, 2017 No comments

  “In today’s video I’d like to discuss the concept of a solar-powered field station for amateur radio emergency communications... Read more

Digital Modes New Digital Modes Changing Complexion of Bands and Perhaps of Ham Radio November 02, 2017 No comments

The wave of software-based digital modes over the past several years has altered the atmosphere of the HF bands. Some suggest the popularity of modes... Read more

Everybody’s Trying the New FT8! November 02, 2017 No comments

“FT8 is the newest weak-signal mode from Joe Taylor, K1JT, and friends. It operates very much like JT65 but is four times faster and more automa... Read more

Goodbye FT8, Hello Olivia, The Magic HF Digital Mode October 24, 2017 No comments

“So many people have started using FT-8 on HF, but they leave all the other modes to die off, like Olivia. Olivia isn’t new, but it offers... Read more

Antenna Which is better: Vertical or Dipole? November 16, 2017 No comments

Vertical or dipole? Which is better for you? Antenna modeling software (EZNEC+) helps answer the question!  Read more

Moonraker Ltd Whizz Loops 13-428 November 13, 2017 No comments

Moonraker Ltd Whizz Loops are compact QRP portable loops that are perfect for attaching directly to your ft-817 or other QRP transceiver. These nifty,... Read more

NVIS: Near Vertical Incidence Skywave [ PodCast ] November 09, 2017 No comments

Sometimes the best direction to send your signal is straight up! Near vertical incidence skywave, or NVIS, is a skywave radio-wave propagation path th... Read more

 

RadFxSat (Fox-1B) Launched Successfully, Designated AO-91

QRZ Now - Sat, 11/18/2017 - 3:49pm

The latest CubeSat in the Fox series — RadFxSat (Fox-1B) — launched today (November 18) from Vandenberg Air Force Base in California. The Delta II vehicle lifted off at 0948 UTC.

“Following a picture-perfect launch, RadFxSat was deployed at 1109 UTC,” AMSAT reported. “Then the wait began. At 1212 UTC, the AMSAT Engineering team, watching ZR6AIC’s WebSDR waterfall, saw the characteristic ‘Fox Tail’ of the Fox-1 series FM transmitter, confirming that the satellite was alive and transmitting over South Africa. Shortly after 1234 UTC, the first telemetry was received and uploaded to AMSAT servers by Maurizio Balducci, IV3RYQ, in Italy. Initial telemetry confirmed that the satellite was healthy.”

In the wake of the successful launch, deployment, and reception, OSCAR Number Administrator Bill Tynan, W3XO, designated the new satellite as AMSAT-OSCAR 91 (AO-91).

AMSAT Engineering reminds stations that the satellite will not be available for general use until the on-orbit checkouts are complete. AMSAT asks listeners to submit telemetry from RadFxSat (Fox-1B) to assist the Engineering team in completing the commissioning process. Experiment telemetry is downlinked via the DUV sub-audible telemetry stream, which can be decoded using FoxTelemsoftware.

A 1U CubeSat, RadFxSat (Fox-1B) is a joint mission of AMSAT and the Institute for Space and Defense Electronics (ISDE) at Vanderbilt University. The Vanderbilt package is intended to measure the effects of radiation on electronic components, including the demonstration of an on-orbit platform for space qualification of components as well as to validate and improve computer models for predicting radiation tolerance of semiconductors.

AMSAT constructed the rest of the satellite, including the spaceframe, on-board computer, and power system. The Amateur Radio package is similar to that currently on orbit on AO-85, with an uplink on 435.250 MHz (67.0 Hz CTCSS) and a downlink on 145.960 MHz.

RadFxSat (Fox-1B) was a secondary payload on the United Launch Alliance (ULA) Delta II rocket carrying the Joint Polar Satellite System-1 (JPSS-1) mission into space. RadFxSat (Fox-1B) is one of four CubeSats making up this NA SA Educational Launch of Nanosatellites (ELaNa) XIV mission, riding as secondary payloads aboard the JPSS-1 mission.

In keeping with long-held ULA tradition, the Delta II launcher paid tribute to deceased employees. Emblazoned on the side of the booster were the names of the late Eric G. Lemmon, WB6FLY, and George Dean. — Thanks to AMSAT News Service via Paul Stoetzer, N8HM, Bill Tynan, W3XO, and Chuck Kimball, N0NHJ

Source:ARRL

(adsbygoogle = window.adsbygoogle || []).push({}); Review QRP Rig Comparison , FT817 / X108G / X5105 / mcHF RS-918 September 25, 2017 No comments

Here is a video explaining the basic comparisons to each one of these radios Read more

The Xiegu X5105 : QRP Portable Transceiver February 21, 2017 No comments

X5105 is a highly portable  transceiver working at HF+6m band, with a built-in power output of 5W. Technical features: double-conversion superheterody... Read more

Review of the Commradio CR-1A July 23, 2016 No comments

“Here’s a brief tour and review of the CR-1a from Commradio. This SDR has excellent build quality and performance. The price is moderately... Read more

Yaesu FT-450 HF and 6 Meter – QST – ARRL Product Review May 09, 2016 No comments

Yaesu FT-450 Reviewed by Rick Lindquist, N1RL ARRL Contributing Editor The FT-450 is Yaesu’s latest entry in the HF/50 MHz transceiver field. It’s a s... Read more

VHF Baofeng Tech: New Mobile Radios December 01, 2015 No comments

“We’re excited to unveil the UV-2501 and UV-5001 Dual Band Mobile Radios. We have spent the last several months refining our first mobile... Read more

RatPak VHF – Six antenna 1 kW remote switch for 2 meters VHF band without controller, N-type connectors May 17, 2017 No comments

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ICOM IC-80AD March 10, 2015 No comments

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Digital Modes New Digital Modes Changing Complexion of Bands and Perhaps of Ham Radio November 02, 2017 No comments

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Caution Urged in Using High Duty Cycle Digital Modes via Satellite October 22, 2017 No comments

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Michigan Section Manager Appointment Begins on January 1

ARRL News - Sat, 11/18/2017 - 2:35pm

Jim Kvochick, K8JK, of Brighton, Michigan, has been appointed as Michigan Section Manager for the first half of next year. His appointment will begin on January 1, 2018, and will continue through June 30. Kvochick was appointed by ARRL Radiosport Manager Norm Fusaro, W3IZ, in consultation with ARRL Great Lakes Division Director Dale Williams, WA8EFK, and outgoing Michigan Section Manager Larry ...

Categories: Amateur radio news

RadFxSat (Fox-1B) Launch Reset for November 18; More Foxes are on the Way!

QRZ Now - Sat, 11/18/2017 - 9:44am

The twice-delayed launch of the United Launch Alliance (ULA) Delta II rocket that will transport the AMSAT RadFxSat (Fox-1B) CubeSat carrying an Amateur Radio payload and other payloads into orbit now is set for Saturday, November 18, at 0947 UTC. The Joint Polar Satellite System (JPSS)-1 mission launch from Vandenberg Air Force Base, California, had to be postponed on November 14, “due to a range safety hold and high upper-level winds,” ULA said in a tweet. The launch had to be put off on November 6 due to a faulty battery on the booster. AMSAT will blog on the launch in real time on launch day, and NASA-TV will cover the event.

RadFxSat is one of four CubeSats making up this NASA Educational Launch of Nanosatellites (ELaNa) XIV mission, riding as secondary payloads aboard the JPSS-1 mission.

RadFxSat is a partnership with Vanderbilt University’s Institute for Space and Defense Electronics (ISDE) and hosts four payloads for the study of radiation effects on commercial off-the-shelf components. It will carry a Fox-1 style FM U/V repeater with an uplink on 435.250 MHz (67.0 Hz CTCSS) and a downlink on 145.960 MHz. Satellite and experiment telemetry will be downlinked via the DUV subaudible telemetry stream, which can be decoded using FoxTelem software.

AMSAT will have more information on the launch and its early operations, and it will post the first telemetry reception. More launch updates are available from ULA via FacebookTwitter, or Instagram, hashtags #DeltaII and #JPSS1.

More Foxes to Come!

Meanwhile, progress continues on getting future Fox payloads into space. On November 6, AMSAT Vice-President Engineering Jerry Buxton, N0JY, delivered Fox-1D to Spaceflight, Inc in Seattle, where it was integrated into its Innovative Solutions in Space QuadPack for delivery to India. Fox-1D will launch on the next ISRO Polar Satellite Launch Vehicle (PSLV) flight, scheduled to take place by the end of December.

In addition to the Fox-1 U/V FM transponder, Fox-1D will carry several university experiments, including a MEMS gyro from Pennsylvania State University-Erie, a camera from Virginia Tech, and the University of Iowa’s High Energy Radiation CubeSat Instrument (HERCI) radiation mapping experiment.

Fox-1D also carries the AMSAT “L-Band Downshifter,” which gives the option of utilizing a 1.2 GHz uplink for the FM transponder.

The NASA ELaNa XX mission that will carry RadFxSat-2 (Fox-1E) into orbit will take place no earlier than the end of next March, AMSAT reported recently. The ELaNa XX mission will carry 12 CubeSats constructed by NASA and by several universities around the US. That mission will be launched by Virgin Galactic on its LauncherOne air launch to orbit system from Mojave, California. Like RadFxSat (Fox-1B), RadFxSat-2 is a partnership opportunity between Vanderbilt University’s ISED and AMSAT and will carry a similar radiation effects experiment, studying new FinFET technology.

RadFxSat-2 will be the fifth Fox-1 satellite built by AMSAT. Fox-1A, now AMSAT-OSCAR 85 (AO-85), was launched on October 8, 2015 and is fully operational, providing science data from its onboard experiments and FM transponder service for the Amateur Radio community. Fox-1Cliff and Fox-1D are scheduled to launch soon.

The RadFxSat-2 spacecraft bus will be built on the Fox-1 series but will feature a linear transponder upgrade to replace the standard FM transponder used in Fox-1A through Fox-1D. In addition, the uplink and down- link bands will be reversed from the previous Fox satellites in a Mode V/U (J). The downlink will feature a 1200 bps BPSK telemetry channel to carry the Vanderbilt science data in addition to a 30-kHz wide transponder for Amateur Radio use. — Thanks to Paul Stoetzer, N8HM; ULA; AMSAT News Service

Source:ARRL

(adsbygoogle = window.adsbygoogle || []).push({}); Equipment Ameritron AL 811 April 29, 2015 No comments

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December 24, 2016 No comments

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Ballots Counted in 2017 Director, Vice Director Elections

ARRL News - Fri, 11/17/2017 - 6:00pm

 

 

The votes are in, and the ballots have been tallied at ARRL Headquarters in contested Director and Vice Director elections.

In a two-way race to fill the Dakota Division Director’s chair being vacated by Kent Olson, KA0LDG, the Division’s members have elected Matt Holden, K0BBC, of Bloomington, Minnesota. Holden, the current Vice Director, received 698 votes, while Dean Summers, N0ND, of Dicki...

Categories: Amateur radio news

ARRL Audio News - November 17, 2017

ARRL Audio News - Fri, 11/17/2017 - 4:03pm
ARRL Audio News - November 17, 2017

The K7RA Solar Update

ARRL News - Fri, 11/17/2017 - 10:59am

Thirteen days of zero sunspots ended on Tuesday, with sunspot numbers of 14, 14, and 15 on Tuesday through Thursday.

In this week’s bulletin average daily sunspot numbers increased from 0 to 4, while average daily solar flux decreased slightly from 70.8 to 70.3. Average planetary A index decreased from 15.6 to 12.3, and average mid-latitude A index declined from 12.4 to 8.6.

Predicted solar flux ...

Categories: Amateur radio news

Product Announcement DXtreme Monitor Log 11™

QRZ Now - Fri, 11/17/2017 - 8:57am

DXtreme Software™ has released a new version of its popular logging program for radio monitoring enthusiasts: DXtreme Monitor Log 11.
Monitor Log 11 lets listeners and DXers log the stations they’ve heard using advanced
features that can enhance their monitoring experience.

Finding Broadcast Stations to Monitor

The Schedule Checker™ lets users import schedules from Aoki, EiBi, and FCC AM
web sites and display schedule data according to the filter criteria they specify. A list
box lets users switch between schedule types, and depending on the schedule type
selected, users can filter schedule information by band, frequency, station, country,
city, state, time of day, language, antenna direction, and target area.
When the What’s On Now? function is activated, the schedule refreshes automatically at the top of each hour for Aoki and EiBi schedules.

For each schedule item, Schedule Checker queries the Monitor Log 11 database to
let users know – through user-defined, foreground and background display colors –
whether they need to monitor a station for a brand-new or verified country. Schedule
Checker also displays bearing and distance, runs optional Afreet Ham CAP1
propagation predictions, draws optional Afreet DX Atlas2 azimuth plots, tunes
supported radios to schedule frequencies when users double-click schedule items3 4 5,and starts log entries for scheduled stations monitored.

Finding Amateur Radio Stations to Monitor
Monitor Log 11 integrates with optional Afreet Band Master6
to let users see, on its
graphical interface, where hams are operating. Monitor Log 11 supplies Band Master
with an Entity Needed List based on the user’s Monitor Log database, making it
possible for Band Master to indicate the stations whose entities (countries) users
need to monitor. When invoking Band Master, users can select an Entity Needed List
for all bands or individually for the 160- through 6-Meter bands.

Finding Utility Stations to Monitor

A Links menu provides convenient access to user-specified blogs and web sites that
can inform users as to where utility and other stations may be operating.
Logging Stations
Monitor Log 11 lets users log all kinds of stations — radio stations, television stations,
broadcast stations, Amateur Radio stations, utility stations, military stations, and more!

And it lets them log stations across the radio spectrum — from long wave, to medium
wave, to short wave, and beyond.
The Last Log Entries Grid on the Monitor Log window shows up to 5000 of the most
recent log entries added. Its records can be sorted, and double-clicking records
displays detailed data on the Monitor Log window. Users can resize the grid columns
and scroll horizontally to columns that do not appear initially. And because the names of stations and NASWA countries can be quite long, users can also display a larger, resizable Last Log Entries window. A Properties window lets users change the
order of columns, the number of log entries to display, and the font and color attributesof grids and other program components, such as the Content Editor for describing the content monitored, the Script Editor for creating and editing scripts, the Direct Tuneinterface for tuning radios, and the Comments tab for typing ad hoc comments.

2 Reporting Reception
Users can create customized paper and e-mail reception reports for sending to
stations plus club report entries for reporting catches to clubs and magazines.
When users add or display a log entry, Monitor Log 11 prepares a post announcing
their DX catch and displays it on the Social Media Post tab. From there, users can
drag the post to their favorite social media web sites to share their catch with others.
Using the Script Editor window, users can create and edit scripts that format
reception reports, eReports, and social media posts to their liking. The software
prompts users to select the script they want to use. Dozens of scripts come with
Monitor Log 11.
Users can also print SWL and Address labels on industry-standard label stock, and
send eQSL requests to hams automatically through the popular www.eQSL.cc site.
Imaging
Improv Imaging™ lets users associate ad hoc images with log entries using Capture,
Scan, and Clipboard functions. Captures of stations received on digital applications,
waterfall displays, facsimile and Amateur TV pictures are popular. The Improv
Imaging tab and Application let users view images anytime, and an Improv Image
Explorer lets them peruse their entire collection and display associated log entries.
QSL Imaging™ functions the same as Improv Imaging, but specializes in associating
QSL cards and eQSLs with log entries.
Other Features
Rig Control — Retrieves the frequency and mode from supported radios and permits
tuning from the Schedule Checker and Direct Tune interface. Rig control is provided
through integration with Afreet Omni-Rig and the SDR applications listed on our web
site, currently HDSDR4
(High Definition Software Defined Radio) and SDR Console 5.
Audio Archiving — An embedded Audio facility lets users maintain an audio archive
of stations heard.
Reporting — Produces Performance, Stations, and Log Entry reports that track the
performance and progress of the user’s monitoring station. The software lets users
FTP those reports to user-provided Web space for remote access. Some reports
integrate with Afreet DX Atlas to generate pin maps.
Documentation — Context-sensitive Procedural Help, Field Help, and Microhelp
are accessible per window to provide instructions quickly. A web-based Information
Center is accessible from the Help menu for late-breaking assistance, and Installation
Instructions and a Getting Started Guide are delivered in PDF format with the software.

Operating Systems, Pricing, Contact Information
DXtreme Monitor Log 11 runs in 32- and 64-bit versions of Microsoft® Windows® 10,8.1, 8, 7, Vista®, and XP. It retails for $89.99 USD worldwide for electronic distribution.

Pricing for CD versions and upgrading users is available on our Web site. All prices
include product support by Internet e-mail. For more information, visit www.dxtreme.com
or contact Bob Raymond at bobraymond@dxtreme.com.
1 — Licenses for Afreet Ham CAP and Omni-Rig are required to use Ham CAP.
2 — A license for Afreet DX Atlas is required to perform plots and create pin reports.
3 — A license for Afreet Omni-Rig is required to use rig control with radios supported by Omni-Rig.
4 — Can be used for rig control. HDSDR is owned by Mario Taeubel. Refer to http://www.hdsdr.de/index.html for more information.
5 — Can be used for rig control. SDR Console is owned by Simon Brown, G4ELI. Refer to http://www.sdr-radio.com for more information.
6 — A license for Afreet Band Master is required to use Band Maste

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Hamfest 2017 – Preview of the Icom IC-7610 and IC-R8600 rigs

QRZ Now - Fri, 11/17/2017 - 8:32am

In part one of our reports from Hamfest 2017 we have a sneak preview of the Icom IC-7610 and IC-R8600 rigs. We meet the new owners of PW Magazine, and Pete tries his hand at the RSGB on-line exam. There’s also an update on the Society’s EMC Committee’s findings. Bob finds his way back to New Broadcasting House in London where the Director General discovers he has amateurs working for the Corporation. Nevertheless, Lord Hall broadcasts from the shack of the newly resurrected club station G8BBC. And, Laurie Margolis G3UML recounts an historic QSO he had from the early 1980s.

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Pockets of Aurora & Boost in Solar Flux: Solar Storm Forecast 11-16-2017

QRZ Now - Thu, 11/16/2017 - 2:38pm

“The Sun’s activity picks up this week with several pockets of fast wind expected to spark aurora at high latitudes. A slight chance for mid-latitude aurora also is expected later in the week. A new active regionhas also rotated into view this week and has given us a much needed boost in solar flux. Amateur radio operators and emergency responders should enjoy improved communications over HF radio for the next two weeks. Learn the details of this new solar activity and how the Sun will affect you this week.”


(adsbygoogle = window.adsbygoogle || []).push({}); Equipment GZV6000 Switching Mode DC Power Supply – 60 Amp August 25, 2015 No comments

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Caution Urged in Using High Duty Cycle Digital Modes via Satellite October 22, 2017 No comments

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