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
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
Antenna Review | MFJ Ham Stick
MFJ Ham Stick Read more
App - Mobile
![Real-time Radio Spectrum Map Database Demo [ Android App ]](https://qrznow.com/wp-content/uploads/2021/10/maxresdefault-3-1-265x168.jpg)
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
SDR Receiver for IOS version 1.2.1 has been released
SDR Receiver demodulates and plays AM and FM signals received by an RTL-SDR, Airspy HF+ or SDRplay radio. Requires a radio and a host comput... Read more
STARWAVES DRM SoftRadio App for Android now available!
The STARWAVES DRM SoftRadio allows you to conveniently enjoy any DRM live radio broadcast on your Android smartphone or tablet. No Internet connection... Read more
MagicSDR – A NEW ANDROID AND IOS RTL_TCP CLIENT
MagicSDR makes it possible to interactively explore RF spectrum using panadapter and waterfall visualization, demodulate and play AM, SSB, CW, NFM, WF... Read more
SmartSDR for iOS v3.9.12 Now Available
Marcus, DL8MRE announces that release of SmartSDR for iOS v3.9.12 is now available for download or update from the Apple App Store. SmartSDR is a full... Read more
SignalID – Automatic Radio Signal Identification for Android
There’s an incredible amount of radio signals. It’s impossible to know them all, let alone recognize them. So why not get help from Signal... Read more
EchoHam version v2.10 has been released
EchoHam allows Amateur Radio operators to use the Echolink network from their Mac. You must be a licensed Amateur Radio operator to use this software.... Read more
SatSat for IOS version 1.4.11 has been released
SatSat, by Fabrice Aneche is a satellite tracking software, for radio amateurs, scientists or hobbyists. It displays current and next passes for any s... Read more
GNU RADIO CODE FOR ANDROID NOW RELEASED
Supports the most recent version of GNU Radio (v3.8). Supports 32-bit and 64-bit ARM architectures (i.e., armeabi-v7a and arm64-v8a). Supports popular... Read more
Introduction to SmartSDR for iOS
Welcome to SmartSDR for iOS written by Marcus DL8MRE. This is an introduction video that allows you full control and access of your Flex 6000 series r... Read more
![Real-time Radio Spectrum Map Database Demo [ Android App ]](https://qrznow.com/wp-content/uploads/2021/10/maxresdefault-3-1-90x60.jpg)
![Real-time Radio Spectrum Map Database Demo [ Android App ]](https://qrznow.com/wp-content/uploads/2021/10/maxresdefault-3-1-180x120.jpg)