“Microphones” is the topic for the latest (April 12) 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
Icom ID-4100A – 50W VHF/UHF Dual Band
Icom ID-4100A 50W VHF/UHF Dual Band Transceiver Reservation Placing an order for this reservation entitles you to right of refusal on a first-come-fir... Read more
Es’hailSat 2 portable reception
Receiving Es’HailSat 2 from my balcony using *very* minimal setup. Read more
Yaesu VX-8GR
VX-8GR – A Devoted APRS® User Dual Band Version of the VX-8R Series of HandheldKey Features of the VX-8GR include:• Full 5 watts FM 144/430 MHz. • RX... Read more
New Video, D-STAR and the Icom RS-MS1A Android App
Icom UK together with TX Films have produced a video providing an introduction to D-STAR and the Icom RS-MS1A Android D-STAR application softwa... Read more
Vertex VXD-720
Vertex VXD-720 Clear, Quality Communications 512 Channels and 512 Groups 5 Watts VHF / 4 Watts UHF VHF: 136 – 174 MHz UHF: 403 – 470 MHz; 450 – 512 MH... Read more
Yaesu FT 550L
Version 2.00 NEW FEATURES Updated the Memory Book to include eight customizable Memory Groups Updated Scan Band selection “ALL BAND” scans both... Read more
Equipment
857Sprint portable battery pack system designed specifically for the yaesu FT-857D
Yaesu FT-857D The 857sprint is a self contained tacticlal portable battery pack system designed specifically for the yaesu FT-857D amateur radio. (rad... Read more
DX Engineering Radio RF Ground Plane Kits
DX Engineering Radio RF Ground Plane Kits provide an effective method of reducing stray RF pickup by equipment and interconnecting cables. Used under... Read more
S24-Mini Solar Power for Ham´s
S24-Mini Solar Power Supply This tiny, lightweight solar power supply features an integrated 40WH LiFePO4 battery, and offers plug-and-play convenienc... Read more
BITX40: A Fully Assembled $45 SSB QRP transceiver
BITX40 Work the world on 40 meters When was the last time you used a radio you had built? The BITX40 board is single circuit board 40 meter SSB transc... Read more
TS-890S – Kenwood
The most rewarding results often take place when faced with the harshest and most challenging conditions.There are enthusiasts who know this all too w... Read more
AR-ALPHA 10kHz-3500MHz, Digitally processed Professional Grade, Base Type
AR-ALPHA 10kHz-3500MHz, Digitally processed Professional Grade, Base Type Read more
Review
Icom IC-9100 – QST Review
Icom IC-9100 Mark J. Wilson, K1RO, k1ro@arrl.org Reviewed by Rick Lindquist, WW3DE National Contest Journal Managing Editor ww3de@arrl.org The only re... Read more
IC-7610 Technical Report Vol. 3 (English Version)
Released the final issue of IC-7610 Technical Report, which explains the circuits used in the IC-7610 and some excellent functions of IC-7610. Read more
Working QRP – LDG Z817 Tuner Review
A hands on look at the LDG Z817 Autotuner with a QRP contact at Foymount Ontario. The LDG Z-817 is an automatic tuner intended for use with the Ya... Read more
“Generators” is the topic of the new (June 22) episode of the “ARRL The Doctor is In” podcast.
“Generators” is the topic of the new (June 22) episode of the “ARRL The Doctor is In” podcast. Listen…and learn! Sponsored by DX Engineering, “A... Read more
Overview – YAESU FT DX 3000 & SDRplay
YAESU FT DX 3000 & SDRplay More: https://www.hb9fxq.ch. Read more
Antenna
DXplorer system providing facilities for on-air antenna system testing and comparison
DXplorer™ is a unique web-based system providing facilities for on-air antenna system testing and comparison as well as real-time HF propagation analy... Read more
10-40 Meter Coaxial Loop Rated IP54 for Base, Mobile, & Tactical
The built-in SWR indicator makes the Alpha Loop so very easy to tune! Now you can suddenly hear everyone, and they can hear you! This is an antenna th... Read more
2 Meter Quad PVC Pipe Antenna by KG0ZZ
2 Meter Quad This is a different way of using PVC pipe to build a 2 meter cubical quad antenna. Instead of an “X” style spreader this ante... Read more
Overview of the LNR W4OP Loop
NR Precision’s newest antenna market entry is the phenomenal new LOOP antenna designed by a degreed engineer. The W4OP Loop has already received... Read more
Buddipole vs AlexLoop Walkham
Buddipole vs AlexLoop Walkham Tried to do the most objective analysis on a comparison between the Buddipole and a AlexLoop Walkham antenna. I used a... Read more
Stealth Antennas by G0KYA
The first edition of Stealth Antennas quickly became the ‘must have’ antenna book for everyone who wasn’t living in acres of land. T... Read more
