“Antenna Rotators” is the topic of the new (August 2) episode of the “ARRL The Doctor is In” podcast. Listen…and learn!
Sponsored by DX Engineering, “ARRL The Doctor is In” is an informative discussion of all things technical. Listen on your computer, tablet, or smartphone — whenever and wherever you like!
Every 2 weeks, your host, QST Editor-in-Chief Steve Ford, WB8IMY, and the Doctor himself, Joel Hallas, W1ZR, will discuss a broad range of technical topics. You can also e-mail your questions to doctor@arrl.org, and the Doctor may answer them in a future podcast.
Enjoy “ARRL The Doctor is In” on Apple iTunes, or by using your iPhone or iPad podcast app (just search for “ARRL The Doctor is In”). You can also listen online at Blubrry, or at Stitcher (free registration required, or browse the site as a guest) and through the free Stitcher app for iOS, Kindle, or Android devices. If you’ve never listened to a podcast before, download our beginner’s guide.
Antenna
SteppIR BigIR Concept and Unboxing
Description SteppIR Verticals are the only true ¼ wave continuous coverage antennas available for the HF bands. The SteppIR technology has had a profo... Read more
HF Portable Par End-Fedz EF-20, Jackite Fiberglass Pole Deployment
This video shows how easy is is to set up an end-fed HF antenna and a fiberglass pole, even in non-ideal weather. Sorry for the water on the lens; the... Read more
Hy-Gain AV-680 9 Band Vertical Update Video
Hy-Gain AV-680 9 Band Vertical Hy-Gain Multi-Band PATRIOT Vertical Antennas 9-band vertical covers 80/40/30/20/17/15/12/10/6 Meters • No radials • No... Read more
VHF
All about repeaters – Ham College 12
All about repeaters. More Technician exam questions. Read more
How To Program the Juentai JT-6188 / Zastone MP-300 Mobile Radio
Ham Radio 2.0: Episode 20 As a follow up to Episode 5, this video shows you how to program a repeater channel into the radio and save it into the memo... Read more
Unboxing the TYT TH9800 with 220MHz
TYT TH9800 Take a look at the new version of the TH9800 which incorporates the 220MHz band. Read more
Radioddity x Baofeng RD-5R DMR
TDMA-Based Dual Mode: VHF 136-174MHz/ UHF400-470MHz. RD-5R has two bands 2m and 70cm. True dual time slot DMR, Tier I & II, compatible with Motoro... Read more
Equipment
HF Linear 2KW HF2015DX – Chinese
HF2015DX RF Linear amplifier coverd 1.8-30MHz amateur band , using Chinese FU728F ceramic tetrodes working at Class AB1 Input:30-40W output:2000W... Read more
YAESU FT-8900R
YAESU FT-8900R 29/50/144/430 MHz FM Transceiver The FT-8900R is a ruggedly-built, high quality Quad Band FM transceiver providing 50 Watts of power ou... Read more
Mizuho MX2 Handheld SSB/CW Transceiver – 144MHz
The MX-2 was a small, handheld SSB transceiver for 2m VHF operation. By modern standards it was a small brick but it worked very well, apart from its... Read more
Inrad HF Triplexer
The Inrad HF Triplexer is the perfect solution for adding more fun and points at Field Day or WRTC: Three stations may share one 10M/15M/20M tribander... Read more
App - Mobile
HamSphere 4.0 Mobile APP
HamSphere 4.0 Mobile is a virtual portable Ham Radio transceiver for Shortwave, VHF and UHF bands. Talk with thousands of Ham Radio operators around t... Read more
SmartSDR for iOS v1.0.4 Now Available
FlexRadio Systems announces the release of SmartSDR for iOS v1.0.4 is now available for download or update from the Apple App Store. This release con... Read more
Shortwave radio distributes smartphone apps
Imagine being able to download an app…without the internet. Well, it’s finally happened, thanks to shortwave radio. Broadcasting Board of Governors (B... 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
AmsatDroid FREE – APP
This software predicts future passes for amateur radio satellites for a specified location and period of time. Basic features: – Calculate passe... Read more
