“This time I’m exploring the world of wspr or weak signal propagation reporting and the new WSPRLITE transmitter from SOTABEAMS. Plus, MacloggerDX version 6.08 a game changer in Mac logging and my custom P3 display.”
News
144 MHz Threat: Switzerland’s Ofcom suggest Aeronautical co-primary
Regarding access by the Aeronautical Mobile Service to the amateur radio 144 MHz band Switzerland’s Ofcom says: ‘a possible so-called co-p... Read more
IEEE Microwave Theory and Techniques Society Seeks Student CubeSat RF Hardware Proposals
The IEEE Microwave Theory and Techniques Society (MTT-S) has announced the MTT-Sat Challenge for groups of students developing RF hardware for CubeSat... Read more
Two SSTV events during July 29 – August 4
Below is the scheduled (as of July 22) for the planned activation of SSTV from the ISS. The first session is the routine MAI-75 activity that is only... Read more
Amateur Radio Being Showcased at 2019 EAA AirVenture in Oshkosh, Wisconsin
ARRL member-volunteers will be part of the excitement as the 2019 International Experimental Aircraft Association annual AirVenture show gets under wa... Read more
Microwave Update 2019 Online Registration Now Open
Online registration is now available for Microwave Update 2019. Sponsored by the North Texas Microwave Society, the event will take place October 3 –... Read more
Netherlands IARU Member-Society Reports “Disappointing Response” on 144 – 146 MHz Threat
The Netherlands International Amateur Radio Union (IARU) member-society VERON reports a “disappointing response” from national regulator Agentschap Te... Read more
Scouts Attending World Scout Jamboree Set to Talk with Space Station via Ham Radio
Thousands of Scouts from some 160 countries who will attend the 24th World Scout Jamboree this summer in West Virginia will have the chance to witness... Read more
High school students in Brazil building QO-100 ground station
High school students in Brazil are building a ground station for the amateur radio transponder on the QO-100 geostationary satellite as part of a STEM... Read more
144 MHz Threat: Disappointing response from Agentschap Telecom
The Netherlands communications regulator, Agentschap Telecom (AT), has given a disappointing response to the call by Dutch radio amateurs for the 144-... Read more
EME SSTV Lunar Landing Commemorative Event Set
Moonbounce enthusiasts are invited to take part in a commemorative Earth-Moon-Earth (EME) slow-scan television (SSTV) party on 23 centimeters, marking... Read more
Antenna
Triband end-fed half wave antenna for portable use
Describing and demonstrating an end-fed multiband antenna for portable use. It’s a full-sized half wave on 20 metres and a loaded half wave on 4... Read more
OB12-6 12 Element Yagi 40-20-17-15-12-10m – Optibeam
Unique in the world: 6 bands – no traps – 1 feedline – no tuning – perfect performance The new version of the OB12-6,... Read more
Building the 6 Meter Moxon Antenna
Building the 6 Meter Moxon Antenna As the late spring and summer months heat up, six meters comes alive. Known as the Magic Band, the six meter band c... Read more
NVIS Antennas – DXE-NVIS-8040S – DX Engineering
NVIS Antennas Antenna, Short Dual Dipole, Portable, NVIS, 80 and 40 Meters Dual Band, Kit Wire Antenna Band 80 meters 40 meters DX Engineering 8040... Read more
Kite antenna for 160-10m – Oceania DX Contest
“Testing a kite antenna for HF during the Oceania DX Phone Contest on Oct 3, 2010 at Tania Park, Balgowlah Heights, Sydney. The Rokkaku kite eas... Read more
The Double Bazooka Antenna – A Review
Here is a review of the 40 and 80 meter band Double Bazooka antennas as used on the HF shortwave bands. This will be of interest to amateur (ham) radi... Read more
GB 10elm 144MHz Quad
GB 10elm 144MHz Quad Details GB 10elm 144MHz Quad for Horizontal or Vertical mounting Turning:2,20m ( 7ft) Boom:3,80m (12ft) Aluminium ( 2 parts) Wire... Read more
Antenna Yagi MB8 15-20 Separate Feed line – MomoBeam
The MB8 15-20 SF is a fullsize antenna for 14 MHz and 21 MHz. No traps or adapting systems where used to obtain fantastic performances and the best ba... Read more
New ! SteppIR SARK-110 Antenna Analyzer
The SARK-110 is a completely new design concept for an Antenna Analyzer. This is a truly pocket size device, so you can take it anywhere. It of... Read more
The Random Wire Double Zepp Antenna
Dipoles fed with an open wire line are called “Double-Zepp” or “Doublet”. The dipole (2 x Xm) may have any length, the open wi... Read more
