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Philippine Amateur Radio Association Activates HERO for Typhoon Mangkhut

ARRL News - Mon, 09/24/2018 - 3:20pm

With Typhoon Mangkhut (locally Ompong) threatening, the Philippine Amateur Radio Association (PARA) activated its Ham Emergency Radio Operations (HERO) at a Code Yellow level on September 12, per a declaration from PARA Chief Operating Officer Roberto Vicencio, DU1VHY. At Code Yellow, stations are advised to ensure that all equipment is operational, check backup power sources, and take any nece...

Categories: Amateur radio news

Fifth Annual “Enigma Reloaded” Operating Event Set to Start on September 28

ARRL News - Mon, 09/24/2018 - 3:09pm

The fifth running of the “Enigma Reloaded” operating event will begin on September 28. Sponsored by A.R.I. Fidenza Radio Club, the event celebrates the history of the Enigma cipher machine and its crucial role in World War II, as well as honoring the individuals who developed the device and contributed to its success.

Enigma Event 2018 takes place in two stages: from September 28 until October 5...

Categories: Amateur radio news

Long Island New York Club Supports the Great Cow Harbor Race

ARRL News - Mon, 09/24/2018 - 3:01pm

The Larkfield Amateur Radio Club (LARC) in Huntington, New York, provided communication support for the 41st Northport Great Cow Harbor 10K / 2K Run on September 15. The nonprofit event is held in cooperation with various community organizations.

LARC members provided communications from the starting point, at various positions along the course, and at the finish line. One LARC radio operator eq...

Categories: Amateur radio news

VP6D Ducie Island 2018 DXpedition to Offer Near Real-Time Contact Posting

ARRL News - Mon, 09/24/2018 - 2:52pm

The VP6D Ducie Island 2018 DXpedition, on schedule to begin October 20, has announced that it will use DXA to post contacts on a near real-time basis. “Bob Schmieder, KK6EK, of Cordell Expeditions, offered the use of DXA, and we gladly accepted,” the DXpedition said in a news update this week.

“Within 60 seconds of your contact with VP6D, the browser page is automatically updated to show your ca...

Categories: Amateur radio news

FT8 is exploding! – No Nonsense Amateur Radio Podcast #6

QRZ Now - Mon, 09/24/2018 - 2:49pm

 FT8 is exploding! 1#popular HamRadio digital mode

 

 

 

In this episode of the No Nonsense Amateur Radio Podcast, Tom, KB5RF, and I explore the exciting developments in the FT8 world and speculate on what’s going to happen in the future with this very popular digital mode. There are lots of FT8 resources on the net. Here are some that we mentioned in this episode, plus a few more for good measure:

VHF Chance to win a brand new Boxchip S700A ! September 19, 2018 No comments

Network-radios.com and Boxchip created this amazing campaign! The S700A is a hybrid android radio that allows 100% coverage: via 3G/4G/LTE/WiFi/VHF or... Read more

Introduction to APRS- the Automated Packet Reporting System September 17, 2018 No comments

“The Automated Packet Reporting Service is a digital real-time communications system to share tactical information and messages. The most common... Read more

Digital Mobile Radio Hotspots May Be Interfering with Satellite Uplinks, AMSAT Reports September 05, 2018 No comments

This week, AMSAT News Service (ANS) cited an August 27 report from AMSAT Vice President-Operations Drew Glasbrenner, KO4MA, saying that a digital mobi... Read more

ICOM IC-9700 – DEMONSTRATION DURING HAM FAIR 2018 August 30, 2018 No comments

ICOM IC-9700 Some of the features for ICOM‘s very-advanced IC-9700 include: * Direct-Sampling SDR design * High definition Real-Time TFT display... Read more

New Icom Amateur Products Including the IC-9700 to be Shown at Tokyo Hamfair 2018 August 25, 2018 No comments

IC-9700 As well as have three working demonstration units of the forthcoming IC-9700 VHF/UHF/1.2GHz transceiver, Icom Inc. will be unveiling other pro... Read more

Review Demo of tuning the Radiuno BITX40 by W5KUB January 29, 2017 No comments

“At first the tuning of the Radiuno seemed like it has a mind of its own. But after working it a few times you learn how to control it.” Read more

Bury 100ft of wire 10in deep in 10 minutes without any mess March 13, 2017 No comments

The greatest tool any underground utility contractor could own. Bury wire and conduit faster and easier without the mess.   Read more

Optimizing Receiver Performance – “ARRL The Doctor is In” podcast. Listen…and learn! May 12, 2017 No comments

There are a number of ways that you can adjust your transceiver for optimum receive performance Read more

Icom IC 7851 vs IC 7800 Local Oscillator C N Characteristics Comparison December 16, 2015 No comments

Icom IC 7851 vs IC 7800 Video from Icom Inc. showing a local oscillator C/N characteristics comparison between Icom’s IC-7851 and IC-7800 HF/50/... Read more

Icom ID-51A review on AmateurLogic.TV December 25, 2014 No comments

Icom ID-51A review on AmateurLogic.TV Read more

Antenna Optibeam OB8-4M 8 Element 4 Band September 16, 2017 No comments

The OB8-4M is an extremely effective, compact and innovative Yagi for the classical four bands 40, 20, 15 and 10m. It is the first trapless Yagi for t... Read more

MAX6 -Antenna Analyzers December 03, 2015 No comments

Antenna Analyzers   MAX6 antenna analyzer is not just an ordinary meter for antenna – it’s much more!  Built-in radio signal meter allows you to... Read more

Comet mobile antenna of 430MHz band – ASF-430 April 15, 2015 No comments

  Comet is the 19th Kansai first exhibition was of the amateur radio festival venue, fin-type mobile antenna · ASF-430 of 430MHz band. Adopted wa... 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

Five Band Indoor Magnetic Loop Aerial by G4IZH December 03, 2016 No comments

This aerial covers the 20, 17, 15, 12 and 10 metre bands and is made from a single 3 metre length of 22 mm copper tube cut into 4 pieces of equal leng... Read more

Software

OM-Power 4001A Fully Automatic HF Amplifier

QRZ Now - Sun, 09/23/2018 - 3:17pm
OM-Power 4001A Fully Automatic HF Amplifier

New OM 4001A product will soon be available in the market, let’s wait

 

Our website will be updated soon with more details

(adsbygoogle = window.adsbygoogle || []).push({}); Review Custom Coax Cables for Your Station September 22, 2018 No comments

Custom Coax Cables “Mark, W8BBQ shows how easy it is to use the DX Engineering Custom Cable Builder. Just four easy steps! The builder lets you... Read more

Review Palstar LA-1K – 1 kW Solid-State LDMOS HF amplifier September 22, 2018 No comments

“Here’s a full review of the Palstar LA-1K, it’s a 1 kW dual LDMOS solid-state HF linear. It covers from 6 to 160 meters. The LA-1K as RF sensin... Read more

Retevis Ailunce HD1 GPS dual band 2m 70cm DMR [ Review and Teardown ] September 21, 2018 No comments

  Ailunce HD1 Dual Band DMR Amateur Digital Radio Almost all the operations can be done via radio keypad.  Dual Band DMR Radio,Analog and Digital Comb... Read more

VHF Chance to win a brand new Boxchip S700A ! September 19, 2018 No comments

Network-radios.com and Boxchip created this amazing campaign! The S700A is a hybrid android radio that allows 100% coverage: via 3G/4G/LTE/WiFi/VHF or... Read more

Introduction to APRS- the Automated Packet Reporting System September 17, 2018 No comments

“The Automated Packet Reporting Service is a digital real-time communications system to share tactical information and messages. The most common... Read more

Digital Mobile Radio Hotspots May Be Interfering with Satellite Uplinks, AMSAT Reports September 05, 2018 No comments

This week, AMSAT News Service (ANS) cited an August 27 report from AMSAT Vice President-Operations Drew Glasbrenner, KO4MA, saying that a digital mobi... Read more

News ARRL Handbook 2019 September 21, 2018 No comments

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Celebrating 25 Years of QRZ.com – Ham Nation 368 September 20, 2018 No comments

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Digital Modes FT8 Roundup contest to test WSJT-X (v2) September 21, 2018 No comments

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“Hi all, Many of us have made many QSOs using the new 77-bit messages on 7.078 and 14.078 MHz. Overall the results have been good — but no... Read more

WSJT-X Version 2.0.0-rc1 Released – Download FT8 September 17, 2018 No comments

Go to New Features in WSJT-X 2.0 for a detailed description of its new features.  Further technical information (primarily of interest to programmers)... Read more

Contesting CQ WW RTTY DX Contest September 23, 2018 No comments

CQ WW RTTY Held each year on the last full weekend of September, the contest draws over 15,000 participants and over 3300 log submittals from around t... Read more

FT8 Roundup contest to test WSJT-X (v2) September 21, 2018 No comments

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CQ WW RTTY DX Contest

QRZ Now - Sat, 09/22/2018 - 10:05pm
CQ WW RTTY

Held each year on the last full weekend of September, the contest draws over 15,000 participants and over 3300 log submittals from around the world.

Rules Translations (pdf)

English中文 [Chinese]Deutsch [German]Español [Spanish]Suomeksi [Finnish]Έλληνες [Greek]Italiano [Italian]日本語 [Japanese]Norsk [Norwegian]Русский [Russian]Portugueseбългарски [Bulgarian]RomanianTürk [Turkish]

Archive

Rules from previous years (adsbygoogle = window.adsbygoogle || []).push({}); The 2018 CQ World Wide RTTY DX Contest

September 29-30
Starts 0000 GMT Saturday — Ends 2400 GMT Sunday

I. OBJECTIVE: For amateurs around the world to contact as many other amateurs in as many CQ zones, countries, and W/VE QTHs as possible.

II. BANDS: Five bands only: 3.5, 7, 14, 21 and 28 MHz. Observance of established band plans is strongly encouraged.

III. CONTEST EXCHANGE: RST report plus CQ zone number of the station location (e.g., 599 14). Stations in the continental USA and Canada also send QTH (e.g., 599 05 MA). See IV.C.3. below.

IV. SCORING:

A. Score: The final score is the result of the total QSO points multiplied by the sum of zone, country and QTH multipliers. Example: 1000 QSO points * (30 Zones + 35 Countries + 35 W/VE QTHs) = 100,000 (final score).

B. QSO Points: Stations may be contacted once on each band. QSO points are based on the location of the station worked.

  1. Contacts between stations on different continents count three (3) points.
  2. Contacts between stations on the same continent but in different countries count two (2) points.
  3. Contacts between stations in the same country count one (1) point.

C. Multipliers: There are three types of multipliers.

  1. Zone: A multiplier of one (1) for each different CQ zone contacted on each band. The CQ Worked All Zones rules are the standard.
  2. Country: A multiplier of one (1) for each different country contacted on each band. The DXCC entity list, Worked All Europe (WAE) multiplier list plus IG9/IH9, and continental boundaries are standards for defining country multipliers. Maritime mobile stations count only for a zone multiplier.
  3. W/VE QTH: A multiplier of one (1) for each continental US state (48), The District of Columbia and each Canadian call area (14) contacted on each band. Please use only official U.S. Postal Service abbreviations to identify states (e.g., Michigan = MI, Massachusetts = MA, Ohio = OH, The District of Columbia = DC). Note:  Alaska (KL7) and Hawaii (KH6) are counted as country multipliers only and not as state multipliers. Canadian call areas (14 total) are as follows: NB (VE9), NS (VE1), QC (VE2), ON (VE3), MB (VE4), SK (VE5), AB (VE6), BC (VE7), NWT (VE8), NF (VO1), LB (VO2), NU (VY0), YT (VY1), PEI (VY2).

V. ENTRY CATEGORIES:

A. Single Operator Categories: One person (the operator) performs all operating and logging functions. There is no limit on operating time or band changes. Only one transmitted signal is permitted at any time.

1. Single Operator: QSO finding assistance of any kind is prohibited (see VIII.2).

a. High Power (All Band or Single Band): Total output power must not exceed 1500 watts.

b. Low Power (All Band or Single Band): Total output power must not exceed 100 watts.

c. QRP (All Band or Single Band): Total output power must not exceed 5 watts.

2. Single Operator Assisted: Entrants in this category may use QSO finding assistance (see VIII.2).

a. High Power Assisted (All Band or Single Band): Total output power must not exceed 1500 watts.

b. Low Power Assisted (All Band or Single Band): Total output power must not exceed 100 watts.

c. QRP Assisted (All Band or Single Band): Total output power must not exceed 5 watts.

B. Single Operator Overlay Categories: Any Single Operator entrant that meets the requirements may ALSO enter one of the categories shown below by adding the appropriate CATEGORY-OVERLAY line in the Cabrillo log file header. Overlay category entries will be listed separately in the results; scored as All Bands; and grouped by High Power and Low Power (includes QRP).

1. Classic Operator (CLASSIC): The entrant will use only one radio, no QSO finding assistance, and may operate up to 24 of the 48 hours — off times are a minimum of 60 minutes during which no QSO is logged. If the log shows more than 24 hours of operation, only the first 24 hours will be counted for the overlay score. The one radio must not be able to receive while transmitting. Single Operator Assisted entries are not eligible for this category.

2. Rookie (ROOKIE): The operator was first licensed as a radio amateur less than three (3) years before the date of the contest. Indicate the date first licensed in the SOAPBOX field.

C. Multi-Operator Categories (all-band operation only): Any number of operators is allowed. QSO finding assistance is allowed. Only one transmitted signal per band is permitted at any time. Only one transmitted signal per band is permitted at any time.

1. Single Transmitter (MULTI-ONE): Only one transmitted signal on one band permitted at any time (run signal). Exception: One—and only one—other transmitted signal (multiplier signal) may be used, if—and only if—, it is on a different band than the run transmitted signal and the station worked is a new multiplier. The run and multiplier transmitted signals may each make a maximum of 8 band changes per clock hour (00 through 59 minutes). The log must indicate which transmitted signal (run or multiplier) made each QSO. The multiplier transmitted signal may not call CQ (solicit contacts).

a. High Power: Total output power must not exceed 1500 watts on any band at any time.

b. Low Power: Total output power must not exceed 100 watts on any band at any time.

2. Two Transmitters (MULTI-TWO): A maximum of two transmitted signals on two different bands may be used at any time. The log must indicate which transmitted signal made each QSO. Each transmitted signal may make a maximum of 8 band changes in any clock hour (00 through 59 minutes). Total output power must not exceed 1500 watts on any band at any time.

3. Multi-Transmitter (MULTI-UNLIMITED): The five contest bands may be activated simultaneously. Only one transmitted signal per band is permitted at any time. Total output power must not exceed 1500 watts on any band at any time.

D. Checklog: Entry submitted to assist with the log checking. The entry will not have a score in the results and the log will not be made public.

VI. AWARDS: A single-band log will be eligible for a single-band award only. A log containing more than one band will be judged as an all-band entry unless specified as a single-band entry. A Single Operator station must operate a minimum of 4 hours be eligible for an award. Multi-operator stations must operate a minimum of 8 hours to be eligible for an award.

A. Certificates: Electronic certificates will be made available for download for everyone that submits an entry.

B. Plaques: Plaques and trophies are awarded for top performance in a number of categories. View the current list of plaques and sponsors at www.cqwwrtty.com/plaques.htm. Only one plaque will be awarded per entry. A station winning a plaque will not be considered for a sub-area award; the plaque will be awarded to the runner-up in that area.

VII. CLUB COMPETITION: The club score is the total aggregate score from logs submitted by members. There are two separate club competition categories.

A. USA Clubs: Participation is limited to club members residing  within a 250 mile radius circle from the center of club area.

B. DX Clubs: Participation is limited to club members residing within EITHER the DXCC entity where the club is located OR within a 400 km radius circle from the center of club area (except for expeditions organized specifically for the contest conducted by members who reside within the club area).

C. General club rules:

  1. National organizations (e.g., JARL, REF or DARC) are not eligible for the club competition.
  2. Single-operator entries may only contribute to one club. Multi-operator scores may be allocated to multiple clubs as a percentage of the number of club members participating in the operation. The log entry must spell out the full club name (and club allocations if multi-op).
  3. A minimum of four logs must be received for a club to be listed in the results. Checklog entries are not counted for the club score.
  4. The word “reside” shall be defined as: To dwell permanently or continuously or to occupy a place as a person’s fixed, permanent and principal home for legal purposes.

VIII. DEFINITIONS OF TERMS:

1. Station location: The area in which all the transmitters, receivers and antennas are located. All transmitters and receivers must be within a single 500-meter diameter circle. Antennas must be physically connected by RF transmission lines to the transmitters and receivers.

2. QSO finding assistance: The use of any technology or other source that provides call sign or multiplier identification of a signal to the operator, other than a single-channel RTTY decoder. This includes, but is not limited to, use of a wide-band multi-channel RTTY decoder, DX cluster, DX spotting web sites (e.g., DX Summit), local or remote call sign and frequency decoding technology (e.g., RTTY Skimmer or Reverse Beacon Network), or operating arrangements involving other individuals.

IX. GENERAL RULES FOR ALL ENTRANTS:

1. Entrants must operate within the limits of their chosen category when performing any activity that could impact their submitted score.

2. A different call sign must be used for each entry. Only the entrant’s call sign may be used to aid the entrant’s score.

3. Do not exceed the total output power limitation of the chosen entry category on any band.

4. Self-spotting or asking to be spotted is not permitted.

5. Remote operation is permitted if the physical location of all transmitters, receivers, and antennas are at the station location. A remotely operated station must obey all station license, operator license, and category limitations. The call sign used must be one issued or permitted by the Regulatory Authority of the station location.

6. Remote receivers outside the station location are not permitted.

7. Only one signal on a band is allowed at any time. When two or more transmitters are present on the same band, a hardware device MUST be used to prevent more than one signal at any one time. Alternating CQs on two or more frequencies on a band is not allowed.

8. All requests for contacts, responses to calls, and copying of call signs and contest exchanges must be accomplished during the contest period using the mode and frequencies of the contest.

9. Correction of logged call signs and exchanges after the contest, by use of any database, recordings, email or other methods is not allowed.

10. Call signs logged must be the same as those exchanged over the air by the entrants during the QSO.

11. Only 45.45 Baud. 170 Hz shift ITA2 mode is permitted,

X. LOG INSTRUCTIONS: Electronic submission of logs is required for all entrants who use a computer to log the contest or prepare contest logs.

1. The log MUST show the following for each contact: correct date and time in UTC, frequency (or band), call sign of the station worked, exchange sent, and exchange received. A log without all required information may be reclassified to Checklog. Contacts should be logged at the time they are completed. Stations competing for World and Continent awards must provide accurate frequencies for all contacts in the log.

2. Single band entrants are required to include all contacts made during the contest period, even if on other bands. Only contacts made on the band specified in the Cabrillo header or summary sheet will be considered for scoring purposes. Logs with contacts only on one band will be classified as single band entries.

3. The CABRILLO file format is the standard for logs. See www.cqwwrtty.com/logs.htm for detailed instructions on filling out the CABRILLO file header. Failure to fill out the header correctly may result in the entry being placed in the wrong category or reclassified as a Checklog. Note: USA and Canada stations must indicate the operating location in the CABRILLO header (e.g., LOCATION: OH); other stations indicate ‘DX’ (e.g., LOCATION: DX).

4. Web upload is the preferred method of log submission. Web upload is available atwww.cqwwrtty.com/logcheck/. Email submission is also available. Send to rtty@cqww.com in CABRILLO format. Include only the entry call sign in the “Subject:” line of the email.

5. Instructions for NON-CABRILLO electronic logs: If you are not able to submit a CABRILLO format log, please contact the Contest Director for assistance with submitting another format.

6. Instructions for paper logs: Paper logs may be mailed to CQ WW RTTY DX Contest, P.O. Box 1877, Los Gatos, CA 95031-1877, USA. Each paper log entry must be accompanied by a Summary Sheet listing all scoring information, the category of competition, and the entrant’s name and mailing address in BLOCK LETTERS.

7. Entry Confirmation: All logs received will be confirmed via email. A listing of logs received can be found atwww.cqwwrtty.com/logs_received.htm.

8. Log withdrawal: An entrant may withdraw the submitted log for any reason with 30 days of the log deadline. Contact the Contest Director for instructions.

XI. LOG DEADLINE:

1. All entries must be sent WITHIN FIVE (5) DAYS after the end of the contest: no later than 2359 UTC October 5, 2018. Resubmitting an entry after the deadline will result in it being considered as a late log.

2. An extension may be requested by email to questions@cqwwrtty.com. The request must state a legitimate reason and must be received before the log deadline. Extensions are granted only upon confirmation by the Contest Director.

3. Logs submitted or postmarked after the deadline may be listed in the results, but will not be eligible for awards.

XII. JUDGING: The CQ WW RTTY DX Contest Committee is responsible for checking and adjudicating the contest entries. Entrants are expected to follow the rules and good amateur radio practices. Violation of the rules of the contest or unsportsmanlike conduct may lead to disciplinary action by the Committee.

A. Unsportsmanlike Conduct: Examples of unsportsmanlike conduct include, but are not limited to:

1. Arranging or confirming any contacts during or after the contest by use of ANY non-amateur radio means such as telephones, Internet, instant messaging, chat rooms, VoIP, email, social media or web sites

2. Transmissions by the entrant on frequencies outside of license limitations.

3. Changing times in the log to meet band change or off time rules.

4. Taking credit for excessive unverifiable QSOs or unverifiable multipliers.

5. Signals with excessive bandwidth (e.g., splatter, clicks) or harmonics on other bands.

6. Running stations not identifying in a timely manner (i.e., 1 minute).

B. Observer Program: The Committee request of any entrant to accept a visit by an observer during the contest. Failure to allow a Committee appointed observer full access to the station during the contest period may result in the entry being a Checklog.

C. Disciplinary Actions: In the event of a violation, the entrant is subject to disqualification at the discretion of the Committee.

1. Disqualified entries will be listed at the end of the published results and is not eligible for an award.

2. Notification of Committee actions will be by email to the address provided with the log submission. The entrant has five days to appeal the decision to the Contest Director. After that time the decision is final.

3. The Committee reserves the right to change the category of any entry based on its examination of the log or other information.

D. Log Checking: All logs are checked using custom software and human judgment.

1. Duplicate contacts are removed with no additional penalty.

2. Contacts with an incorrect received exchange are removed with no additional penalty.

3. Call sign errors (bust) or call signs not found in the other log (NIL) are removed and receive a penalty of two times the QSO point value for that contact.

4. Contacts that do not meet the band change rules for multi-operator entries are removed with no additional penalty.

XIII. DECLARATION: By submitting a CQ WW RTTY DX Contest log, and in consideration of the efforts of the CQ WW RTTY DX Contest Committee to review and evaluate that log, an entrant unconditionally and irrevocably agrees that he/she has: 1) read and understood the rules of the contest and agree to be bound by them, 2) operated according to all rules and regulations that pertain to amateur radio for the station location, 3) agreed the log entry may be made open to the public, and 4) accepted that the issuing of disqualifications and other decisions of the Committee are official and final. If an entrant is unwilling or unable to agree to all of the foregoing, the entrant should not submit the entry or submit the entry as a Checklog only.

Questions pertaining to the CQ WW RTTY DX Contest rules may be submitted by email to questions@cqwwrtty.com. Answers for many frequently asked questions can be found at www.cqwwrtty.com.

 

Custom Coax Cables for Your Station

QRZ Now - Sat, 09/22/2018 - 11:07am
Custom Coax Cables

“Mark, W8BBQ shows how easy it is to use the DX Engineering Custom Cable Builder. Just four easy steps!
The builder lets you select the precise cable type, length and connectors you want on each end. Mix-and-matching connectors is OK too! Also use the tool to create copper braid assemblies for your specialized grounding applications.
RG400 Custom Cable assemblies are being added soon!

Each custom Qcoax cable is hi-pot tested by our technical staff before it leaves our facility.

Find the Custom Cable Builder on the DXEngineering.com home page or click here! “

Software New Beta Version WSJT-X 2.0 ! September 20, 2018 No comments

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FT8, WSJT-X, & HamRadioDeluxe,video demo o latest v6.4.0.886 directly connected to log automatically in Logbook without JTAlert September 13, 2018 No comments

Download WSJT  Download Ham Radio Deluxe Read more

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Review Palstar LA-1K – 1 kW Solid-State LDMOS HF amplifier

QRZ Now - Sat, 09/22/2018 - 9:41am

“Here’s a full review of the Palstar LA-1K, it’s a 1 kW dual LDMOS solid-state HF linear. It covers from 6 to 160 meters. The LA-1K as RF sensing allowing automatic band switching without having to interface the radio. It has a very nice color display touch screen which includes a power meter and a live SWR meter. It supports up to 3 antennas. Despite a low IMD distortion of -35dB it supports “pure signal” (low distortion) with a dedicated RCA port to connect your SDR. You can update the firmware via the front USB port.”

Price: $3495.95 

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App - Mobile Hamradio Line Loss Calculator for iOS devices June 06, 2017 No comments

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ARRL Handbook 2019

QRZ Now - Fri, 09/21/2018 - 6:56pm
ARRL Handbook 2019  Limited Edition! Six-Volume Ultimate Boxed Set For the first time, The ARRL Handbook has been divided into multiple volumes. All six volumes are included in a handsome, hard slipcase, for easy storage and access. Each volume is more manageable to read and browse. You Get All 6 Volumes… Volume 1: Introduction & Fundamental Theory
Volume 2: Practical Design & Principles PART 1
Volume 3: Practical Design & Principles PART 2
Volume 4: Antenna Systems & Radio Propagation
Volume 5: Equipment Construction & Station Accessories
Volume 6: Test Equipment, Troubleshooting, RFI & Index Radio Experimentation, Discovery, and Achievement. The ARRL Handbook for Radio Communications is a complete reference and guide to radio technology principles and practices. Since 1926, The ARRL Handbook has been a trustworthy source of introductory, applied, and theoretical information. Now in its 96th edition The Handbook continues to advance the pursuit of experimentation and innovation by radio amateurs and professionals. Each edition contains new and useful material to support Amateur Radio activity from the traditional short- and long-wave frequencies through microwaves! Key Topics
  • Radio electronics theory and principles
  • Circuit design and equipment
  • Radio signal transmission and propagation
  • Digital and analog modulation and protocols
  • Antennas and transmission lines
  • Construction practices

Who reads The Handbook?

Amateur Radio operators, or “hams;” professional wireless communication engineers and system designers; electrical engineers; students and instructors of engineering, physics, and geoscience. Always Updated! New Projects and Content
  • Simple SLA Float Charger project by John Boal, K9JEB
  • Amateur Radio Data Platforms by Paul Verhage, KD4STH and Bill Brown, WB8ELK
  • The latest information on WSJT-X digital modes by the WSJT team
  • Filter and circuit design software by Tonne Software and Jim Tonne, W4ENE
  • Low-Noise VHF and UHF Oscillators by Ulrich Rohde, N1UL, and Ajay Poddar, AC2KG
  • Update on Solar Cycle 24 by Carl Luetzelschwab, K9LA
  • Updated SSTV practices and technology by Larry Peterson, WA9TT
  • Designing dual-band loaded dipoles by David Birnbaum, K2LYV
  • Latest transceiver survey by Joel Hallas, W1ZR

Plus, new component tables, reference articles, material characteristics, and guidelines for SDR design.

Download Included: eBook and Supplemental Material  Download the fully searchable digital edition of the printed book, as well as expanded supplemental content, software, PC board templates, and other support files.

System Requirements: The digital edition and expanded content (PDF files) are compatible with Windows 7, 8, or 10; Windows Vista or Windows XP, as well as Macintosh systems, using Adobe Acrobat Reader software. Acrobat Reader is a free download at www.adobe.com. PDF files are Linux readable. Other included software is Windows compatible, only.

Also available The ARRL Handbook 2019 Softcover Edition

The ARRL Handbook 2019 eBook (Windows Version)

The ARRL Handbook 2019 eBook (Mac/Linux Version
Product Details Six-Volume Boxed Set: 1280 pages. Softcover Edition also available.

Publisher: The American Radio Relay League, Inc.; Ninety-Sixth Edition/First Printing (October 2018)
Language: English
ISBN: 978-1-62595-089-5

Shipping Weight: 6.0 pounds Equipment LA1K5 is a solid-state 1200 watts 1.8 – 54MHz power amplifier September 19, 2018 No comments

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FT8 Roundup contest to test WSJT-X (v2)

QRZ Now - Fri, 09/21/2018 - 2:52pm

Photo:EA2CCG

“A one-hour “practice contest” will be held next week using the FT8 mode 
and the ARRL RTTY Roundup rules.

Thursday, 27 September 0200-0259 UTC (Wednesday evening, NA time)

Dial frequencies 7.078 and 14.078, everyone works everyone.

To participate you must use WSJT-X 2.0. The Windows installation package 
is linked at the bottom of this web page:
https://physics.princeton.edu/pulsar/k1jt/wsjtx.html (Note that this is a temporary release candidate, not the final full release of WSJT-X 2.0.)

The Quick-Start Guide to WSJT-X 2.0 is here:
https://physics.princeton.edu/pulsar/k1jt/Quick_Start_WSJT-X_2.0.pdf

IMPORTANT:
1. On the *Settings | Advanced* tab, be sure to check the boxes *Always 
generate 77-bit messages*, *Decode only 77-bit messages*, and *ARRL RTTY 
Roundup*. In the field labeled “Exch” enter the 2- or 3-letter 
abbreviation for your state or province (US/Canadian stations) or DX if
you are not in the US or Canada.

2. Be sure that 7.078 and 14.078 appear in your selectable frequency
list when for FT8 mode. You might need to do a *Reset* on the *Settings 
| Frequencies* tab.

3. We do not recommend using a compound or nonstandard callsign in this 
event.

Post results and comments here so we can all learn from an actual FT8 
contest-like experience. Note that planning is underway for at least two
dedicated FT8 contests to be potentially held in the next few months. 
Next week’s practice run will help to inform those plans.

If you are not already subscribed, you may wish to join the email list 
wsjt-devel:
https://sourceforge.net/p/wsjt/mailman/?source=navbar
This list is the best way to communicate directly with the WSJT 
Development Group.

— 73, Joe, K1JT”

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JK2040-Hawk – Yagi antenna of 5 elements for the 20 m band and 3 elements for the 40 m band on a 40 foot (12.19 m) boom

QRZ Now - Fri, 09/21/2018 - 1:21pm

The JK2040 Hawk has phenomenal performance characteristics on 20m and 40m. The 38ft boom 20m Yagi has been optimized for high gain and a good F/R with good SWR performance across the band. On 40m the characteristics of the 3 element Yagi are similar to the JK2040 Eagle. The 40m element constructions do not need trussing unless you live in snow/ice conditions. Itís truly an excellent performer and its max F/R characteristics help you hear even the weakest of signals.

Approx wt. = 238 lbs

Wind Area “C” = 16.20 Sq Ft

                “G” = 29.16 Sq Ft

Projected Area =  24.3  Sq Ft

Max Wind Speed = 100 Mph

Max Turning Radius = 29.85 Ft

20M 40M Number Elements 5 3 Active Boom Length 38 ft 33.8 ft Peak Gain* 7.98 dBd 5.26 dBd Peak F/B 34 dB 31 dB Peak F/R 23 dB 24 dB 2:1 SWR Bandwidth Less than 1.2:1 150 KHz 1.5:1 SWR Bandwidth Less than 1.2:1 across the band 110 KHz Max Element Length 36.6 ft 46.5 ft

Price : US$4,390.00

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Window to Submit Proposals to Host Contacts with Space Station Crew Opens October 1

ARRL News - Fri, 09/21/2018 - 12:29pm

Proposals by school and educational organizations to host Amateur Radio on the International Space Station (ARISS) contacts with an International Space Station crew member next year will be accepted starting on Monday, October 1. Completed proposals are due by Thursday, November 15. ARISS anticipates that the contacts will be scheduled between July 1 and December 31, 2019, although crew schedul...

Categories: Amateur radio news

Baker Island DXpedition Wrap Up [ PODCAST ]

QRZ Now - Fri, 09/21/2018 - 11:55am

“Don Greenbaum, N1DG is back to give us a report on the KH1/KH7Z Baker Island DXpedition! Don will take your questions about the trip, the operations, and the QSLs! Be sure to join us for some amazing stories from this journey.

Be sure to CALL in with your questions and comments by calling 812-NET-HAM-1 live during the call-in segment of the show, or by Skype. Our username is hamtalklive. You can also tweet your questions before or during the show to @HamTalkLive.”

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Retevis Ailunce HD1 GPS dual band 2m 70cm DMR [ Review and Teardown ]

QRZ Now - Fri, 09/21/2018 - 9:11am
  Ailunce HD1 Dual Band DMR Amateur Digital Radio

Almost all the operations can be done via radio keypad. 
Dual Band DMR Radio,Analog and Digital Combined. 
Compatible with Motorola Tier 

No need PC to program your radio

Description:
HD1 dual band digital radio uses Digital Mobile Radio (DMR) Tier 2 Standard protocol. It is compatible with the popular MOTO TRBO series Tier I and II using standard encryption, as well as other makes and models of DMR supported radios. It is also compatible with any existing analog two-way radio operating on the supported UHF and VHF frequencies for easy migration to digital technology. And almost all the operations can be done via radio keypad.

 

Main Feature
Dual Band DMR Radio
Analog and Digital Combined 
Compatible with Motorola Tier Ⅰ&Ⅱ
Comply with Digital Protocol ETSI TS 102 361-1,-2,-3
Use Time-Division Multiple-Access(TDMA) Digital Function
Frequency Band:136-174 & 400-480MHz& 76-107.95MHz(Receive only )
100,000 Contacts + 1000 Priority Contacts
Up to 3000 channels 
Dual Time Slot for Repeater 
Dual Time Slot for Point to Point 
Firmware Upgradeable 
IP67 Waterproof
High/Medium/Low Power:10/5/1w
Scan:Time/Search/Carrier
Encryption Function  (Is not compatible with RT3,RT8,RT82.RT90)
Lone Worker 
Single/Group/All call 
Remote kill/stun/activate 
Color LCD Display 
Transmit/Transceive interruption 
Promiscuous Function
GPS 
CTCSS/DCS 
Analog Monitor 
VOX 
TOT 
Talkaround 
Squelch 
Keypad Lock 
LED Indicator 
Password Lock 
Battery Save
Voice Annunciation
1000/1450/1750/2100Hz Single tone
ID Setting

General specifications Frequency 136-174&400-480MHz
&76-107.95MHz(Receive only ) Channels 3000 Operating Temperature -30℃~+60℃ Operating Voltage 7.4V DC Dimension 150 x 64x 40mm Weight 360g(with battery) Battery Type Li-ion Battery Capacity 3200mAh Antenna Impedance 50Ω Transmitter Power UHF:8w:4w:1w
VHF:10w:5w:1w Transmit current Analog≤1.6A Digital≤0.9A Frequency Stability ±1.0ppm FM modulation mode 12.5KHz@11K0F3E 25KHz@16K0F3E 4FSK digital mode 12.5KHz(data only):7K60FXD
12.5KHz(data and voice):7K60FXW Modulation distortion <5% Vocoder AMBE+2TM Adjacent channel power 60dBm@12.5KHz 65dBm@25KHz Audio Response +1~-3dB Digital Protocol ETSI-TS102 361-1,-2,-3 Receiver Analog Sensitivity 0.35uV/-116dBm(20dB SINAD)
0.22uV/-120dBm(Type) Digital Sensitivity 0.30uV/-117dBm(BER 5%)
0.70uV/-110dBm(BER 1%) Adjacent Channel Selectivity TIA603C:65dB ETSI:60dB Spurious Response TIA603C:75dB ETSI:70dB Audio Response +1~-3dB Rated Audio Distortion ≤3%(Type) Audio Power ≥500mW

 

Package included:

  • 1 x HD1 two way radio
  • 1 x Battery
  • 1 x Antenna
  • 1 x Adapter
  • 1 x Charger
  • 1 x User’s manual
  • 1 x Belt clip
  • 1 x Sling

 

More Information Model HD1 Radio type Handheld Technological regimes DMR,Digital Frequency band UHF&VHF Frequency range 136-174&400-480MHz &76-107.95MHz(Receive only ) Memory Channel 3000CH RF Power 10W Operating Temperature -30℃~+60℃ Operating Voltage 7.4V DC Battery Li-ion 3200mAh Size 150 x 64x 40mm Antenna onnector No Antenna Impedance 50 ohm Accessory onnector No Features N/A Other parameters N/A

 

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The K7RA Solar Update

ARRL News - Fri, 09/21/2018 - 8:01am

Sunspots are gone again this week, with none observed since September 12. 

Average daily sunspot number declined to zero this week from 7.6 last week. Average daily solar flux was unchanged at 68.6. Average daily planetary A index declined from 12.6 to 9.7, while average daily mid-latitude A index went from 10 to 8.3.

The Autumnal equinox is this weekend, at 0154 UTC on Sunday, September 23, 2018...

Categories: Amateur radio news

ARISS Radio Upgrade on ISS for student outreach

QRZ Now - Thu, 09/20/2018 - 4:44pm

AMSAT and ARISS are currently supporting a FundRazr campaign to raise $150,000 for critical radio infrastructure upgrade on ISS to enable students to talk to astronauts in space via amateur radio.

Please help by donating today: https://fundrazr.com/arissnextgen?ref=ab_e7Htwa_ab_47IcJ9

ARISS is in critical need of the infrastructure upgrade to ensure that programs like talking in space using amateur radio can continue. Through your donations ARISS seeks the following upgrades:

+ Next Generation radio system will support easier radio mode transition, to enable new, exciting capabilities for hams, students and the general public including:
* New amateur radio communication and experimental capabilities, including an enhanced voice repeater and updated digital packet radio (APRS) capabilities
* Slow Scan TV (picture up and downlinks) in both US and Russian segments of ISS

+ New multi voltage power supply will support present and future radio capabilities and allow wireless experiments to be conducted

+ ARISS needs to build ten Next Generation radio systems to support our development on orbit operations, training and long term maintenance. This includes on-orbit (two units, one unit each in US and Russian segment), flight spares (two units), training (three units), testing (one unit), and ground-based maintenance and troubleshooting (two units)

Donations are fully tax deductible within the USA as AMSAT is A 501(c)(3) organization.

Source:AMSAT

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CW Skimmer 2.1

Multi-channel CW decoder and analyzer

for Windows XP/7/8/10

Features
  • a high sensitivity CW decoding algorithm based on the methods of Bayesian statistics;
  • simultaneous decoding of ALL cw signals in the receiver passband – up to 700 signals can be decoded in parallel on a 3-GHz P4 if a wideband receiver is used;
  • a fast waterfall display, with a resolution sufficient for reading Morse Code dots and dashes visually;
  • the callsigns are extracted from the decoded messages, and the traces on the waterfall are labeled with stations’ callsigns;
  • the extracted callsigns are exported as DX cluster spots via the built-in Telnet cluster server;
  • a DSP processor with a noise blanker, AGC, and a sharp, variable-bandwidth CW filter;
  • an I/Q Recorder and player.
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