Home movies created by Hiram Percy Maxim, the co-founder and first President of the American Radio Relay League (ARRL)
International Space Station “I talked to space today! Astronaut Serena Auñón-Chancellor has made random unscheduled contacts on some of the Satu... Read more
VR-P25 is a portable, lightweight, Wide coverage RF booster amplifier for Handheld Radio equipment, proprietary and emerging waveforms. Two Way Radio... Read more
Automated Portable Station for tracking the orbit of ham satellites, meteorologic satellites and International Space Station (ISS). The transce... Read more
VHF
I talked to space! NA1SS QSO KG5AKV
VR-P25 Power Amplifier for Handheld Radios
![Automated Portable Station for tracking the orbit of ham satellites [Video]](https://qrznow.com/wp-content/uploads/2017/05/hamlince-190x122.jpg)
Automated Portable Station for tracking the orbit of ham satellites [Video]
This aerial covers the 20, 17, 15, 12 and 10 metre bands and is made from a single 3 metre length of 22 mm copper tube cut into 4 pieces of equal leng... Read more
Type number KA1-211X KA1-408X KA1-411X Gain table / size Frequency (MHz) 14-50 7-50 7-50 The total number of elements 11 Elements 8 Elements 11 Elemen... Read more
SteppIR DB42 http://blogs.yahoo.co.jp/ja5mhd Read more
Introduction Applications of direction finding While direction finding for navigation purposes (referred to as cooperative direction finding) is becom... Read more
Antenna
Five Band Indoor Magnetic Loop Aerial by G4IZH
![Super Versa Xseries Antenna [ Japan ] 11 and 8 elemets HF Antenna](https://qrznow.com/wp-content/uploads/2016/11/408xmain-190x122.jpg)
Super Versa Xseries Antenna [ Japan ] 11 and 8 elemets HF Antenna
![SteppIR DB42 Setup by JA5MHD [ Video ]](https://qrznow.com/wp-content/uploads/2015/03/11038403_10204139844031513_3998216779955717336_n-190x122.jpg)
SteppIR DB42 Setup by JA5MHD [ Video ]
Introduction into Theory of Direction Finding
” YOUR HELP IS NEEDED, August 15th, in a national exercise of the Military Auxiliary Radio System (MARS). Army and Air Force MARS operators will... Read more
Thanks to a joint effort by ARRL and the Vintage Radio and Communications Museum of Connecticut (VRCMCT), a classic Gates BC-1T AM broadcast transmitt... Read more
News
Army and Air Force MARS, Help needed August 15th
ARRL Repurposes AM Broadcast Transmitter for Ham Radio Use
Uniden creates another first with the SDS100 True I/Q Scanner, the first scanner to incorporate Software Defined Radio technology to provide incredibl... Read more
Codan Envoy Channels and ScanningUp to 1000 simplex or semi-duplex. Up to 20 scan groups. Simultaneous scanning for Selcall (ALE/CCIR) and voice. Dwel... Read more
FCC approval pending. Not yet available for sale. The new LA-1K 1000 watt RF Sensing Amplifier. While the LA-1K will work with a wide variety of tuner... Read more
Connect any way round to automatically identify and measure a wide range of semiconductor devices. The DCA55 will automatically identify the type of t... Read more
Equipment
Uniden SDS100 – Coming Soon
Codan Envoy HF Smart Radio
PALSTAR LA1K – 1000 watt RF Sensing Amplifier
Automatic Semiconductor Analyser
App - Mobile
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
