Ground Plane Antennas
“Ground Plane Antennas” is the topic of the new (December 20) 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.


VHF
145 MHz Low Loss Bandpass Helical Filter
Low Loss Bandpass by Mile Kokotov Basic design of the filter is from RSGB VHF-UHF Manual, but I made some modifications. Both Inductors... Read more
WiRES-X Software & FT-2DR Firmware Announcement
Originally broadcasted live on the Yaesu System Fusion – Official Facebook group. John Kruk, N9UPC, National Sales Manager for Yaesu USA briefly... Read more
Icom IC-DV6010 and IC-DV60S3 – 260MHz
Icom, to meet the new standard start released the 260MHz band municipal disaster prevention administrative radio system. Icom Co., Ltd. (Headquarters:... Read more
Slide Lock for Ham Radios
The ET-850 Locking Slide Mount provides convenience, ease of use and security in a black, powder-coat finish that is both attractive and rugged. The E... Read more
Digital Modes
World Wide Digi DX Contest
The World Wide Radio Operators Foundation (“WWROF”), in collaboration with the Slovenia Contest Club (“SCC”), is pleased to announce the first annual... Read more
New Digital Modes Gain Traction for Moonbounce, but Occasionally Show Up on HF
In December, Joe Taylor, K1JT, released the latest version (1.7) of his WSJT-X software suite, designed to facilitate basic Amateur Radio communicatio... Read more
Equipment
The MTR4b! KD1JV “Steve Weber” Designs – Produced by LNR Precision 80M/40M/30M/20M in Machined Aluminum Case!
The MTR4B 4-Band Mountain Topper KD1JV “Steve Weber” Designs – Produced by LNR Precision 80M, 40M, 30M, 20M 3-4 Watt Output at 12VDC... Read more
ANAN-8000DLE HF & 6M 200W SDR Transeiver
The ANAN-8000DLE HF & 6M 200W SDR Transceiver meets and exceeds the requirements of even the most discerning Amateur Radio Operator, it is based o... Read more
uBITX v 6.0 QRP transceiver
Upto 10 watts pep on lower HF bands, dips to 5 watts on 28 MHz SSB and CW Simple to build and align Minimal controls Based on Arduino Nano controller... Read more