News
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
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
![Why Ham Radio [ ARRL Video ]](https://qrznow.com/wp-content/uploads/2021/10/hq720-1-265x168.jpg)
Why Ham Radio [ ARRL Video ]
Josh Nass, KI6NAZ, of @Ham Radio Crash Course talks about what ham radio is, and answers the question…. “Why Ham Radio?” Read more
High Speed Telegraphy 2021 in Montenegro
September 10-14, 2021, the 17th World Championship High Speed Telegraphy was held in Montenegro. The event was organized by MARP (Montenegrin Amateur... Read more
Resonant vs Non-Resonant Antennas
Richard, AE6XO, is wondering what the difference is between resonant and non resonant antennas. Why no just get a non resonant and use a tuner? He ask... Read more
Data on Number of Radio Amateurs Worldwide Needs Updating
The oft-cited figure of 3 million radio amateurs worldwide may need updating. That number was what the International Amateur Radio Union (IARU) publis... Read more
SHARI Pi HAT – ALLSTAR SA818 Radio Module For Raspberry Pi
Here we take a look at the SHARI PiHatU from Ham Projects. This Pi Hat contains an SA818 Radio module to allow RF to the ALLSTAR network through a ras... Read more
Deaf Pupils Set to Speak with ISS Crew Member in a World-First Event
Amateur Radio on the International Space Station (ARISS) will offer a group of pupils at the Mary Hare School for deaf children in England a... Read more
Amateur Radio Volunteers Assist in Major US Cycling Event
On September 11, some 115 amateur radio volunteers from five states provided communication support for LoToJa, the longest single-day USA Cycling (USA... Read more
Antenna
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
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
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
Improving Suburban HF Vertical Antennas
HF verticals are very popular for the smaller suburban gardens. How do they perform and are there any improvements you should consider? Read more
Reduce Common Mode Current (CMC) with a Easy to Build Choke
Common Mode Current can really mess with RFI and cause interference in the shack. In addition, you could also be receiving unwanted interference on th... Read more
Building the BuddiHex Hexbeam | Best Portable Ham Radio Antenna
Today I go through all of the steps and pieces for building the BuddiHex Hexbeam antenna from Buddpole. This might be the best portable ham radio ante... Read more
Stretching Antenna Bandwidths
Often on the HF bands, we find that the quoted antenna frequency bandwidth is not wide enough to cover the whole band. This can be a particular proble... Read more
HF Multiband Vertical Antenna – FALCON OUT-250B
The FALCON OUT-250B is a Short Wave Multiband Vertical antenna (WARC incl.) with flat SWR across the bands. In this video I assemble, install, test, c... 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
End Fed Dipoles : So I need a Counterpoise?
Kenneth, WB3JFR, encouraged this question. Do you need to use a counterpoise just because its “End Fed”? Read more
Equipment
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
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
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
Tech-out of the Xiegu XPA125B Auto Tuner + Amplifier
Today we take a look at the Xiegu XPA125B QRP Amplifier and Auto Tuner hooked up to the Icom IC-705. This amp will work with a variety of QRP rigs inc... Read more
YAESU M-90D Desktop Microphone: UNBOXING
Yaesu M-90D Desktop Microphones utilize a finely tuned dynamic element to deliver rich low to mid frequency response, desirable for a clear and concis... Read more
Choosing Lightning Arresters
Robert, KG5BJF, is getting ready to set up his station and his question is “How do you determine which lightning arresters are the correct ones... Read more
DMX-40 Transceiver
The Premier Morse Translator/Transceiver Tired of trying to learn Morse code? Searching for a state-of-the-art decoder/encoder companion for your stat... Read more
Download IC-705 Exterior Case 3D Data and Create Your Own Accessories
Icom is allowing the download of 3D data of the exterior case of the IC-705 HF/VHF/UHF Mobile Transceiver allowing customers to create their own relat... Read more
RS-HFIQ 5 Watt HF SDR Transceiver by HobbyPCB
Here we take a look at the RS-HFIQ 5 Watt HF SDR Transceiver by HobbyPCB. The RS-HFIQ is an open-source HF transceiver project designed to translate I... Read more
