“Stealth Antennas” is the topic of the latest (November 17) 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
Alinco FM Mobile Monoband Transceivers DR-135TMKIII
Alinco FM Mobile Monoband Transceivers are the perfect choice for Amateur Radio operators. Whether you desire 10 meters, 6 meters, VHF, UHF or extende... Read more
VERO China New Arrival: 40 Watts Dual Band Mobile Radio VR-6900 With Band Scope and APRS Display
Firmware upgrade remote VR-6900 can update firmware remotely, fix some bugs when find it Optional APRS VR-6900 support the optional APRS... Read more
Having Fun With VHF – Bob Witte K0NR
This is a video of my presentation for the QSO Today Virtual Ham Expo. Read more
Retevis RT83(GPS) 10W IP67 DMR Digital UHF Radio
Retevis RT83 with digital and analogue mode two way radio. Using TDMA technology, designed with Tier II,AMBE++ vocoder, compatible with mototrb... Read more
Alinco DJ-MD5T VHF/UHF 5W DMR HT
Alinco DJ-MD5T VHF/UHF 5W DMR DUal Mode Tier I/II HT Features: DMR Tier I and Tier II 1.77 inch TFT color LCD VFO/MR Switch Output Power Selection (5W... Read more
G-Series P25 – VHF UHF and 700-800 MHz
VIDEO http://www.unicationusa.com/ Read more
Historic Trans-Atlantic contact made on 144 MHz
A historic contact was made on Sunday the 16th June 2019 when the Atlantic was spanned for the first time on 144 MHz. D41CV on Cape Verde Islands off... Read more
ARRL Asks FCC to Allow 3.4-GHz Operation until Spectrum is Occupied
In comments to the FCC, ARRL has argued that radio amateurs be allowed to continue shared operation in the 3.4 GHz band until 5G licensees who purchas... Read more
Antenna
Inac AH-1430 (20, 17, 15, 12, 10 m band) – Antenna
AH-521, is a halo antenna of small size but high performance. Supports an RF level between 140 and 210 W. Covers bands used between 12 and 30 M... Read more
Yaesu Antenna Rotators G 450A
G-450A Specifications Power Supply Voltage: 117 VAC, 50-60 Hz Power Supply Current Consumption: 0.5 Amps Rotor Voltage: 24 VAC Cable Conductors... Read more
Cushcraft R9 covers 6,10,12,15,17,20,30,40,80 Meters
This multiband vertical designs provide 9 band coverage encompassing the 6, 10, 12, 15, 17, 20, 30, 40 and 80 meter bands. Cushcraft achieved a majo... Read more
ICOM AH-710 Folded Dipole Antennas AH-710
Wire Antenna, Assembled, Multi-Band, Non-resonant, 150 W, UHF Male, PL-259, 80.3 ft. Length, Each Wire Antenna Band Wire Antenna Frequency 160 meters... Read more
APARTMENT ANTENNA, HF, 40M-2M – MFJ-1622
The MFJ-1622 Apartment Antenna covers 40 through 2 Meters, mounts outdoor to windows, balconies, railings, and works great indoors mounted to d... Read more
G3TXQ 6 Band Hexbeam 40m single element add on kit
G3TXQ 6 Band Hexbeam 40m single element add on kit Some of you may remember the 7 band Hexbeam that was in production a few years ago. Due to the comp... Read more
6 el 50MHz LFA-R reflectorless Yagi
Description The new LFA-R reflector-less Yagi is a step forward in Yagi design and performance. Excellent levels of gain per foot of boom from this co... Read more
Review
SAQ Alexanderson Alternator Transmission Set for Christmas Eve
Sweden’s Alexanderson alternator station SAQ has planned a Christmas Eve transmission on 17.2 kHz. The transmitter will be tuned up starting at around... Read more
Measuring Coaxial Cable Losses @ HF, VHF, and UHF frequencies.
Measuring Coaxial Cable Losses @ HF, VHF, and UHF frequencies. Read more
The QCX-Mini 20m QRP Rig Kit Arrives
QCX-mini: a feature-packed, high performance, single-band 5W CW transceiver kit, with WSPR beacon and built-in alignment/test equipment. Available for... Read more
FTDX10 – Top 5 Features
– Hybrid SDR Configuration Like the FTDX101 series, the new FTDX10 utilizes the Yaesu Hybrid SDR configuration – Narrow Band SDR and Direc... Read more
Yaesu FT2DR Ham Radio Review. Is it better the second time around?
“Welcome to my review of the Yaesu FT2/DR. A dual band analog fusion APRS transceiver. The first time I used this radio it was a train wreck. Le... Read more
Yaesu FT-991 compared with the FT-817ND – HF SSB and CW
FT-817ND vs FT-991 using the same Antenna – HyEndFed 5 Band. To give the FT-817ND a fighting chance, I have added the CW filter and I have conne... Read more
SDRPlay RSPDX Radio Receiver Review and Demonstration
RSPdx Multi antenna port 14 bit SDR The SDRplay RSPdx is a complete redesign of the popular RSP 2 and RSP 2 pro multi antenna receiver. It’s a wideban... Read more