A site for Amateur Radio Operators, by Amateur Radio Operators.




Month-long Simplex Event
January 1, 2021 - January 31, 2021
[ Get Info ]

Use the link above for information about the WINTERHEAT event.

The "REGISTER" and "LOG IN" Links in the left menu panel is NOT for WINTERHEAT.





Open-Source Amateur Satellite Work Not Subject to Export Administration Regulation

CEO Michelle Thompson, W5NYV, reports that Open Research Institute (ORI) received an advisory opinion from the US Commerce Department Bureau of Industry and Security (BIS) on September 2. The letter confirmed that public internet posts regarding open-source amateur satellite communications work are not subject to Export Administration Regulation (EAR). ORI was founded in March 2018 by Bruce Per...

NEC-Win Plus+
Software/Antenna analysis
Developed for beginners, hobbyists, and field engineers. Includes polar plots, rectangular plots for input impedance and VSWR, tabular data, NEC-Win Synth Light and Necvu 3D. Includes NEC2. The program also offers stepped-diameter corrections, Gain Averaging Test, CAD (.DXF) file input, 2-D and 3-D plots and antenna views, and graphical outputs. Run on older Windows version and is out of support.

New EMF Regulation and QO-100 satellite / Microwave operation
Ian GM3SEK is giving an online talk on the application of the RSGB-Ofcom Calculator to Microwaves and QO-100 satellite operation on Saturday, October 16, at 1230 GMT (1:30pm BST)

RSGB release membership totals
The RSGB have released their membership figures for 2018, 2019, 2020 and up to July 2021

Radio spectrum guide for Birmingham 2022 Commonwealth Games
Ofcom has published a guide with key advice for people who plan to operate radio equipment at the Birmingham 2022 Commonwealth Games

ARRL, RSGB announce joint events to celebrate centenary of Ham Radio transatlantic success
ARRL and the Radio Society of Great Britain will jointly sponsor events to celebrate the achievement of transatlantic communications by radio amateurs 100 years ago

IARU Region 1 Monitoring System Says Radio France International Splatter “Untenable”


The International Amateur Radio Union (IARU) Region 1 Monitoring System (IARUMS) August newsletter reports that Radio France International was active daily between 2100 and 2200 UTC on 7205 kHz. The report says splattering appeared “massively” down to 7186 kHz, which IARUMS called “an untenable condition.”

IARUMS said that the “especially well-known intruders” included Voice of Broad Masses (VO...

Home Computing Pioneer Sir Clive Sinclair Dies

Pocket calculator inventor and home computing pioneer Sir Clive Sinclair died at his home on September 16 following a long illness. He was 81. Sinclair may have been best known for popularizing the home computer. Leaving school at 17, he worked for 4 years as a technical journalist to fund Sinclair Radionics and created the Sinclair Spectrum and the first computer, the Sinclair ZX-81. Many mode...

Radio Amateurs on Standby Following La Palma Volcanic Eruption

The Cumbre Vieja volcano on La Palmas in Spain’s Canary Islands erupted for the first time in 50 years on Sunday, September 19, following an increase in seismic activity over the previous 7 days. The lava flow triggered the evacuation of more than 6,000 people so far. Authorities have deployed all the resources of the Canary Islands Government as well as military support from the mainland to ma...

The 2021 ARRL Simulated Emergency Test (SET) is Just Ahead

Registration Opens for USA Amateur Radio Direction Finding Championships

Personal page of the Dutch Amateur Radio Station PA1CW

Modified harpin antenna for 40m
Results or performance test using an harpin antenna for the 7 MHz

Railways on the Air
This year's Railways on the Air event will take place on Sept. 25/26

The 2nd annual Treasure Coast Hamfest, Vero Beach Florida
It’s going to be bigger and better than the 1st one, and there’s plenty of time to plan for it, during the best part of the year in Florida.. December 4th, 2021

IARU Region 1 Monitoring System says Radio France International splatter 'untenable'
The International Amateur Radio Union (IARU) Region 1 Monitoring System (IARUMS) August newsletter reports that Radio France International was active daily between 2100 and 2200 UTC on 7205 kHz. The report says splattering appeared “massively” down to 7186 kHz, which IARUMS called “an untenable condition.”

ARISS contact is scheduled for participants at SPDW Voortrekker Movement Camp, Oranjeville, South Africa
This will be a direct contact via amateur radio between participants at the SPDW Voortrekker Movement camp and Astronaut Akihiko Hoshide, amateur radio call sign KE5DNI

Ham radio in Swiss newspaper
Die Botschaft newspaper reports on radio amateurs Leandra Grünenfelder HB3XWQ and her brother Thedy HB9ERV

Clear frequencies requested for possible Nicaragua earthquake traffic
IARU Region 2 Emergency Coordinator Carlos Alberto Santamaría González, CO2JC, has requested that radio amateurs in Central America avoid 7098 and 7198 kHz in the wake of an earthquake at 0957 UTC September 22 in Nicaragua

Loading of Short Antennas
An interesting article on loading short vertical monopole antennas, representing six different methods. Base loading, Center Loading, Top Loading, Continuous loading, half and half loading and capacitive top loading.


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