Antenna
SD330 HF Screwdriver Mobile Antenna
SD330 HF Screwdriver Mobile Antenna Specifications: Bands: 3.5 – 30MHz Power Supply voltage & current: DC 12v 100mA Max Power Rating: 200W... Read more
4-Radio 8-Antenna Switch – Array Solutions
This compact system allows you to share up to 8 different antennas with 4 different radios. Perfect for Multi-Single, Multi-2, and some small M... Read more
Omnidirectional Biquad Antenna for 2.4GHz ( WI-FI )
Directional antennas do have their strengths such as power over distance but sometimes you may need to use a good omnidirectional antenna to produce 3... Read more
Lesson 6.1 Antenna Basics
Antenna Basics “General Class Ham Radio instructional video, introduces Section 6.1 in the ARRL General Class License Manual. The section is ext... Read more
Installing Wire Antennas in Trees
Installing Wire Antennas in trees Read Full Article: Read more
App - Mobile
AmsatDroidFree now open source
AmsatDroidFree satellite tracking App for Android devices is now open source. This App predicts future passes for amateur radio satellites for a speci... Read more
RS-MS1A – Remote Control Android App
Ray Novak and George Thomas show you how to control the ID-51A with the RS-MS1A Android app. Read more
RFinder – The World Wide Repeater Directory now supports Twitter!
“RFinder has been the ‘Social Repeater Directory’ for a while now with its support of repeater check-in postings to APRS and... Read more
Top 5 Ham Radio App
Ham Radio App If you’re a member of ARRL, the national association for Amateur Radio, install this app and have QST, the ARRL membership journal... Read more
SmartSDR for iOS v2.6.2 Now Available
FlexRadio Systems announces the release of SmartSDR for iOS v2.6.2 is now available for download or update from the Apple App Store. This App requires... Read more
Equipment
A Simple High-Frequency Communications Receiver
See What QST Has to Offer! QST is the monthly membership journal of ARRL. Each issue is your source for equipment reviews, technical tips, projects, n... Read more
1 KW SSPA for 1.8-54 MHz
It’s been a while since I built an amp for HF; I’d have to go back to the 60’s and a pair of the venerable 3-500z tubes that I put t... Read more
TJ5A HF 20W SSB CW Transceiver Kit and assembled
TJ5A HF 20W SSB CW Transceiver RX:3.500-30.000Mhz (broardband RX is available by adjusting the jump cap) Tx:7.000-7.3000Mhz, 14.000-14.350Mhz,2... Read more
Parametric Receive Audio System Equalizer – Heil Sound
The Heil Parametric Receive Audio System Equalizer (PRAS EQ) is a state-of-the-art audio processor that enhances the internal audio systems of amateur... Read more
Rotator Genius – 4O3A
Rotator Genius is a smart rotator controller that uses a magnetic sensor for reading azimuth. It can be controlled by a Windows or Android app. Motor... Read more
Review
Noise Blankers and Noise Reduction -ARRL The Doctor is In
Different tools for different applications. The Doctor explains the differences. Read more
Review of MFJ-1886 Rx-only Antenna
MFJ-1886 Loop Antenna Dig out previously unreadable signals and track down annoying sources of interference with the MFJ-1886 HF Receive Loop Antenna!... Read more
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RF Safety – The Doctor Will See You Now! [ ARRL PODCAST ]
https://www.blubrry.com/arrl_the_doctor_is_in/ RF exposure is a concern for every amateur, but did you know that FCC Rules require you to make an... Read more
Everything About GMRS Radio, General Mobile Radio Service, Midland
“Part 1 of my 3 part series of a mode that you may be interested in. GMRS, General Mobile Radio Service. Picture it as a licensed service servic... Read more
USING AN RTL-SDR AS A PANADAPTER WITH AN AUTOMATIC ANTENNA SWITCHER
In this video we’ll show you how to use your computer, SDR dongle and some free software to add a panadapter display to your older, non-display... Read more
