“Listening Outside the Ham Bands” is the topic of the new (April 11) 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 email 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
MonoBeam Yagi MB7 10-15-20-40
MonoBeam Yagi MB7 The MB7 10-15-20-40 is a quad band antenna for 7 MHz, 14 MHz, 21 MHz and 28 MHz with loading coil and capacitive hat for 40m only. T... Read more
ACOM HF Log-periodic Antenna
ACOM, Bulgaria manufactures a range of 8, 10 and 12 element HF log-periodic antennas. Their main features are: designed and produced to give top perf... Read more
Six-Band HF Center-Loaded Off-Center-Fed Dipole by ON4AA
Design goals Like many fellow radio amateurs, I own a fairly standard shortwave radio station consisting of a 100W HF transceiver driving a 1kW... Read more
AEG Ultra Loop RX 40-80-160
Technical specifications 160m Gain -25dbi 80m Gain -15dbi 40m Gain -8dbi Weight 5Kg Loop 2 phased elements for 40/80/160, optimized for rx 80/160, ... Read more
Equipment
Introduction to the RSPduo Dual tuner 14-bit 1kHz – 2GHz SDR
The RSPduo is a high performance dual tuner SDR. Housed in a high quality steel enclosure, each tuner can operate individually anywhere between 1 kHz... Read more
3D printed desktop rack for KX3 / PX3
“Robert K5TD makes me wish I had a KX3. His own design of a 3D printed rack beautifully shows off the radio and panadapter and, from observation... Read more
HARDROCK-50 ATU Kit
HARDROCK-50 ATU Kit Additional functions: 60M band coverage. The ATU has a 60M lowpass filter which provides sufficient attenuation of harmonic... Read more
Radio Shield RS-UV3
The HobbyPCB RS-UV3 radio module is a 144/220/450 MHz FM transceiver board. The RS-UV3 is a low cost transceiver solution for Packet Radio, repeaters,... Read more
News
RSGB 2020 HF contest survey findings
The RSGB HF Contest Committee (HFCC) has just completed a survey, which was open to all, to help determine its strategy during the Covid-19 pandemic.... Read more
COVID-19 and radio amateurs in IARU-R2
After the COVID-19 pandemic began, up to April 2, 2020 the Pan American Health Organization (PAHO) has reported 247,473 confirmed cases and 5,600 deat... Read more
World Amateur Radio Day on April 18 Celebrates 95th Anniversary of the IARU
Saturday, April 19, is World Amateur Radio Day (WARD), this year marking the 95th anniversary of the International Amateur Radio Union (IARU). Around... Read more
Propagation
The K7RA Solar Update
A new sunspot appeared on the last day in March and the first days of April, with daily sunspot numbers of 12, 13 and 12. Total sunspot area increased... Read more
