Source:http://www.ab4oj.com/
Antenna
5 Elements wire yagi for 80m
There were a lot of questions on wirebeam yagi on 80m. Here is a diagram. This is used on RL3A, K1LZ and similar on EW6W Source: Roman Levichev Read more
BIG SIGNAL 2BS-5B – 5 band antenna
In BIG SIGNAL we present the multi-band cubic antenna with 2 elements and 5 bands. The true queen of DX! E ste is a model that breaks all the schemes... Read more
App - Mobile
SmartSDR for iOS v3.4.01 Now Available
FlexRadio Systems announces the release of SmartSDR for iOS v3.4.01 is now available for download or update from the Apple App Store. This App require... Read more
New APP for digital QST
Apple has released a new app for digital QST (version 5.1) readers that use that platform. A long-standing problem involved the inability of some Appl... Read more
Digital Modes
New Summer EURAO Party to Premier FT4
The motto of the new European Radio Amateurs’ Organization (EURAO https://www.eurao.org/) Summer Party https://www.eurao.org/en/node/1045 is... Read more
Equipment
3D printed desktop rack for KX3 / PX3
“Robert K5TD makes me wish I had a KX3. His own design of a 3D printed rack beautifully shows off the radio and panadapter and, from observation... Read more
RigExpert Stick 230 100kHz – 230MHz Analyzer
RigExpert Stick 230 Small. Handy. Powerful. The analyzer is designed for measuring SWR (standing wave ratio), return loss, as well as other parameters... Read more
News
ANTUINO – A compact Radio Lab for Antennas, Radio circuits
What can it do? SWR The Antuino measures the SWR of the antenna with a narrowly tuned receiver. A simpler resistive bridge with a diode detector will... Read more
Access to 60 Meters Continues to Expand
According to the latest edition of The 5 MHz Newsletter, regulatory agencies in an expanding list of countries have granted amateur radio access to a... Read more
Propagation
The K7RA Solar Update – 11/08/2019
Two new sunspot groups appeared this week, on two consecutive days, each lasting for only a day, with a daily sunspot number of 11 and 13 on Friday an... Read more
Software
New Ham Radio Deluxe v6.7 now available for download
HRD Software is proud to serve over 30,000 ham radio customers in 136 countries. Thank you to our customers in Afghanistan, Anguilla, Argentina, Austr... Read more
Ever wonder how to update firmware on your IC-9700?
IC-9700 Thank you Hayden H. – VK7HH for sharing his video, and be sure to follow him on his Youtube channel. For more information on the update:... Read more
VHF
ICOM 2019 P25 CAP
What is P25? P25 is a standard for the manufacturing of interoperable digital two-way wireless communications products. Sometimes also known as Pr... Read more
