Learn how dipole and inverted V antennas work and how to build an hf antenna. Includes tips for construction, mounting and tuning
Recent Posts
New Beta Version WSJT-X 2.0 !
WSJT-X V2 As promised, the WSJT-X Development Group has announced a new “candidate release,” WSJT-X 2.0 rc1. This beta version of the popular digital... Read more
EO-79 CubeSat Update
Wouter Weggelaar PA3WEG has provided this update on the status and plans for QB50p1 – EO-79. Earlier testing campaigns indicate that the AMSAT-UK/AMSA... Read more
SR-01 CB Radio
See More .PDF File: Read more
HuskySat-1 Gains Enthusiastic Following
Initial reports indicate considerable interest among amateurs in tracking and capturing data from the newly deployed HuskySat-1. The satellite, design... Read more
The February Issue of Digital QST is Now Available!
The February edition of Digital QST is now available for viewing on your desktop or laptop. Click here to view the issue. It is also available for rea... Read more
BLA 1000 1KW HF amplifier – RM Italy
RM Italy • Instant use without setup • over 1000 Watts Key-down Output • Instant Bandswitching, no tuning, no warm-up, SWR protected, • Quiet Variable... Read more
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Certificates and other changes [ CQ WW ]
“ Certificates and other changes We have made some changes to the CQ WW Contest online score reporting to support requests we have received from... Read more
Cruising to the 2016 AMSAT Space Symposium
The 2016 AMSAT Space Symposium will be held aboard a commercial cruise ship departing from the port of Galveston, Texas. Sail dates are November 10-14... Read more
Yagi Antenna 4 antenna elements 5 bands
Yagi Antenna Frequency [Frequency]: 28, 24, 21, 18, 14 MHz Number of elements [Number of elements]: 4 Profit [Gain]: 9.5 – 9.0 dBd suppressio... Read more
VHF
ID-4100 – Icom Catalog Scan – Japanese
ID-4100 Source: Read more
BCH-220 Handheld Radio
BCH-220 Handheld Radio Introducing the new BCH-220 Handheld Radio for 1.25m 220 MHz. It’s just what you need in a 220 MHz portable. The BCH-220... Read more
VHF Contesting with the ICOM 9700
“Our entry into the RSGB 2m Backpackers contest, using the new ICOM 9700. We made 79 contacts into 6 DXCC during the 4 hour contest and got sunb... Read more
I talked to space! NA1SS QSO KG5AKV
International Space Station “I talked to space today! Astronaut Serena Auñón-Chancellor has made random unscheduled contacts on some of the Satu... Read more
Icom IC-SAT100 Satellite PTT Radio
“Video, presented by James Heming which provides a comprehensive introduction to the Icom IC-SAT100 Satellite PTT Radio system, how it works, fe... Read more
News
Pirate ! SV2ASP/A Mount Athos
Information from Bernie, W3UR Editor of Daily DX: The SV2ASP/A callsign was pirated. DL5EBE reports that Apollo underwent major surgery last month and... Read more
FlexRadio Teams with Raytheon Team to Develop Airborne HF Radio
In a strategic partnership with Raytheon, US Amateur Radio equipment manufacturer FlexRadio®has been selected by the US Air Force to adapt its off-the... Read more
National Hurricane Conference Will Include Amateur Radio Sessions
Amateur Radio will again be represented at the 2015 National Hurricane Conference, March 30-April 2 in Austin, Texas. The conference theme is i... Read more
Rockwell Collins Sold to United Technologies
United Technologies has acquired avionics maker Rockwell Collins in a $30-billion deal. United Technologies said it wants to further enhance its role... Read more
ISS Slow Scan TV event 145.800 MHz FM
An ARISS Slow Scan TV (SSTV) event is scheduled from the International Space Station (ISS) for December 24-31. This will be a special SSTV event to ce... Read more
