Review
Make a mains filter for EMC & noise reduction
This video shows how I have made a mains filter that is extremely effective in reducing and in some cases eliminating completely EMC from the electric... Read more
Review of the new RSPdx SDR receiver by SDRplay
This new model has a metal case, three antenna connectors and several circuitry upgrades that make it the performance leader in the SDRplay line-up. Read more
Explaining Ham Radio Antenna Baluns, UNUNs and Toroids
Explaining Ham Radio Antenna Baluns, UNUNs and Toroids Read more
News
Lunar satellite sends pictures to radio hams
by Andrew Jones China’s Chang’e-4 lander and rover are scheduled to launch in December this year to perform the first ever soft-landing on... Read more
The HF Voyager Project – Pacific ham radio drone KH6JF/MM using FT8
Jupiter Research Foundation Amateur Radio Club (JRFARC) has integrated an HF transceiver with an autonomous ocean-going drone. Our mission is to deplo... Read more
FCC’s Updated Rules Governing Personal Radio Services Become Effective on September 28
The FCC recently adopted a comprehensive reorganization of and update to the rules governing the Personal Radio Services (PRS). These include a wide v... Read more
Oops…the Alpha Delta DX-EE can’t be the Reference Antenna
“Oh dear, I was excited when my Alpha Delta DX-EE antenna arrived from DX Engineering. Great, I thought, up it goes. Well, then came the testing... Read more
Digital Modes
FT8Call 0.5 Released – New features, a MacOS build, APRS.fi spotting, and more!
“Howdy Folks, I’m excited to bring you the next development version of FT8Call, version 0.5, and boy do I have some fun stuff included i... Read more
The Ultimate Portable Ham Radio Computer
Hello Operators. In this episode of the OH8STN ham radio, we are discussing replacing the raspberry pi field computer build, with the Microsoft Surfac... Read more
LoTW Now Accepting FT4 Contact
The latest TQSL update (Config.xml version 11.8), released on May 22, includes FT4 as a submode of MFSK. It also adds AISAT-1 and PO-101 in the satell... Read more
FT8 Performance Secrets
“Neil investigates what really matters when you are aiming for the ultimate performance with FT8 and other digital modes. He demonstrates and ex... Read more
Antenna
$35 Airspy YouLoop Passive Antenna Review
HF Portable & Flexible Receive Loop Antenna Covers HF frequencies (10 kHz to 30 MHz) Usable on VHF up to 300 MHz as a folded Dipole Maximum power... Read more
Chameleon Tactical Delta Loop – Antenna Review
The Chameleon Tactical Delta Loop covers 80 meters through 6 meters. and will handle 100 watts on SSB and 50 watts CW/Digital. Its a great portable an... Read more
RQ-84 – The classic “Quad” full-size has ten elements for 10m, eight – 15 m, six – 20 m, and four full-size elements on 40m band
RQ-84 – the classic “Quad” full-size has ten elements for 10m, eight – 15 m, six – 20 m, and four full-size elements on... Read more
Building the Moxon Antenna
Building the Moxon Antenna is fairly easy and lends itself to imagination. No two Moxon’s are identical save the dimensions of the elements... Read more
