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Recent Posts
Hermes Lite 2.0 SDR Transceiver
In this video, we take a look at the very cool Hermes Lite 2.0 SDR Transceiver HF Ham Radio. The Hermes-Lite is a low-cost direct down/up conversion s... Read more
Time and the WWV
Albert, N3XEI, lives in North Carolina and he sometimes listens to WWV but he can hear WWVH before he hears WWV. Why is this? Aren’t they suppos... Read more
Radioddity DB20-G Compact 20W GMRS Radio
Let’s take a look a this mini-mobile and compact GMRS Mobile Radio from Radioddity. Rated at 20-watts, let’s test the power output and see... Read more
WSJT-X version 2.5.1 released
WSJT-X version 2.5.1 releasedThe development team have announced the General Availability (GA) release of WSJT-X version 2.5.1. This release mainly co... Read more
Grounding When Portable
Curt, KB9JQU, has a newer question around the topic of grounding. He is wondering how are you to ground when you are doing portable operations? Read more
DISCOVERY TX 500 Upgrade Amplifier & ATU!
We look at the latest firmware update and also at the upcoming accessories. GENERAL FEATURES – Splash proof & Dustproof Portable SDR 160-6-m... Read more
Wolf River Coil vs End Fed Half Wave: Brunet Island State Park, WI POTA K-1442
You asked for it, here it is: a live A/B test of the Wolf River Coil vs the Chameleon CHA-LEFS End Fed Half Wave antenna. Which will win in this Parks... Read more
Wireless, Off-Grid, No-License Communication For $27.99 (LoRa Meshtastic)
The LoRa Meshtastic T-BEAM device are small battery powered devices that will mesh with other T-BEAM and send messages and other data from your phones... Read more
Phasing Antennas for Directionality
Jared, N0SPC, is the only ham in his country, and he has a question regarding phasing. He wants to know if he can use a phased array of mobile whips t... Read more
What is CESSB? W9GR the author explains!
Dave, W9GR explains what is CESSB – Controlled Envelope SSB and how it gives your more RF Talk power. Read more
New CQ World Wide Youth Category to Debut October 30 – 31
The new Youth category for the CQ World Wide DX Contest will debut October 30 – 31 with the phone weekend. The category covers contesters age 25 years... Read more
Chameleon CHA-MPAS 2.0 Portable Ham Radio Antenna System
The Chameleon CHA-MPAS 2.0 just might be the best portable Ham Radio antenna that you can get today, due to its versatile configurations and compact s... Read more
Release the KrakenSDR!
KrakenSDR is now available for crowdfunding on Crowd Supply. Thank you to all interested parties for your patience while we navigated recent pandemic-... Read more
Scouting’s Jamboree-on-the-Air Takes Place this Weekend, October 15 – 17
PHOTO:K2BSA Scouting’s largest event in the world — Jamboree-on-the-Air (JOTA) — takes place October 15 – 17. During JOTA, Scouts and hams around the... Read more
Mysterious Radio Signal Discovered in Milky Way Center | What Is It!?
Ziteng (Andy) Wang is a PhD student at the University of Sydney. He recently discovered an unusual radio signal coming from the direction of the Milky... Read more
TRI BAND TRANSCEIVER – RS-UV3A
The HobbyPCB RS-UV3A radio module is a 144/220/450 MHz FM transceiver board. The RS-UV3A is a low cost transceiver solution for Packet Radio, repeater... Read more
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Real-time Radio Spectrum Map Database Demo [ Android App ]
In view of the escalating demand for higher mobile data (from IoT, industry 4.0 applications), there is a growing world-wide interest to improve the r... Read more
XPA125 Tuner – Any good?
Today I take the XPA125 Tuner and put it through its paces with a 9:1 EFRW Random Wire Antenna Read more
Solar cycle 25 is here and band activity is up!
Showing a bit of what’s happening on the upper frequency bands with the solar cycle finally ramping up. Read more
Using FT8 to demonstrate Antenna Orientations
One man’s observation of different radiation patterns that evolved from choosing different antenna installation orientations. What are your thou... Read more
Set up an entire HF station for under $1000?
“A viewer asks: I want a home base station trans/receiver so I can listen till I am licensed. Need an antenna too. But all for under $1000 if po... Read more
Xiegu X6100 HF/50MHz Portable SDR Transceiver
Xiegu X6100 is a revolutionary self-contained 10 watt HF and 6m SDR transceiver with a large color display, automatic antenna tuner and a built-in hig... Read more
QDX 4-band 5W Digi transceiver
The “QDX” (QRP Labs Digital Xcvr): a feature-packed, high performance, four-band (80, 40, 30, 20m) 5W Digi-modes trans... Read more
What Ham Radio Programming Software Should You use?
“I’m taking a 10,000 FT look at three types of ham radio programing software. There’s so much to unpack here that a quick overview i... Read more
ARRL Continues Its Efforts to Preserve Amateur Radio Secondary Use of the 3 GHz Band
ARRL President Rick Roderick, K5UR, in a written statement on the newly filed H.R.5378 before the US House Commerce Communications and Technology Subc... Read more