“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
Yaesu FT 991 Versus Icom IC-910 in 144MHz
Yaesu FT 991 Versus Icom IC-910 in 144MHz “We compare the FT-991 receiver performance on 2m with two other radios. Justin, G0KSC, from Waters... Read more
QUANSHENG TG-42AT VHF 136-174Mhz
TG42ATQUANSHENG TG42AT VHF 136-174Mhz Key Specifications/Special Features: Frequency: VHF:136-174Mhz Li-ion Battery :7.4V 1500mA 99 channels Supports... 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
All about repeaters – Ham College 12
All about repeaters. More Technician exam questions. Read more
New 23cm IARU Region 1 record claimed
Terry M0VRL reports that on 14 July 2017 he completed a QSO of 2,662km, from IO70PO to IL28FC, with Pedro EA8AVI in the Canary Islands that breaks the... Read more
Qatar OSCAR-100 Wideband Spectrum Monitor
OSCAR-100 This spectrum monitor, hosted at Goonhilly Earth Station in Cornwall, shows the Qatar OSCAR-100 wideband transponder onboard the Es’ha... Read more
Equipment
QRO HF-2000 HF Amp – 1.5KW
THE HF-2000 1.5 KILOWATT DESKTOP LINEAR AMPLIFIER CAN PUT YOU IN CONTROL. OUR UNIQUE BLEND OF HIGH QUALITY, DURABILITY, AND PERFORMANCE WILL MAKE YOUR... 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
CAR SEAT BOLT MOUNT WITH MAGNETIC MIC HOLDER FOR KENWOOD TM-D710
We are very excited to offer this new mounting solution for the Kenwood TM-D710. It will also work with Kenwood TM-D700A TM-D700E TM-D710E. There are... Read more
Alpha 9500 Autotune Full Legal Limit Linear Amplifier
The Alpha 9500 is no ordinary linear amplifier. The Alpha 9500 is the culmination of over 40 years of design and engineering. The Alpha 9500 is an adv... Read more
Ten-Tec Eagle HF DSP Transceiver
TEN-TEC has created a 100 watt transceiver combining simplified controls and ease of operation with the excellent performance of a low first IF... Read more
AOR DV1 3GHz 100kHz-1300MHz, SDR Digital Voice Receiver
Download AR-DV1 Brochure (3.5MB) Download AR-DV1 Brochure light (823kB) Download AR-DV1 operating manual with command list (8.2MB) Download AR-DV1 fir... Read more
Review
Yaesu FT-991A Unboxing
The FT-991A is the next generation in all mode, all band MF/HF/VHF/UHF transceiver with C4FM (System Fusion) Digital capability. The FT-991A includes... Read more
Review of v1.3 of SDRuno software with scanning
“SDRuno, the “house brand” software for the SDRplay family of “radio spectrum processors” has been updated with scanning... Read more
NEW! Yaesu FTM-300D, C4FM Dual Band Ham Radio, Review/Demo
Yaesu FTM-300D, C4FM Dual Band Ham Radio, Review/Demo Read more
Setting the Mic Gain and Compression by W6LG
“Setting the mic gain and compression can be a bit tricky. Too much compression and too much mic gain results in a distorted signal. Jim Heath W... Read more
MFJ-1835H Cobweb Antenna Review ( High Power version 1.5kW)
For restricted spaces, 5-Bands: 20/17/15/12/10 Meters . . . Restricted space spoiling your operating fun? MFJ Cobweb puts your call back on the map! T... Read more
Antenna
MFJ-1799X VERTICAL ANTENNA ,9-BD,2,6,10,12,15,17,20,30,40M
VERTICAL ANTENNA Highly efficient end loading 1/2 Wave vertical covers bands: 40, 30, 20, 17, 15, 12, 10, 6 and 2 Meters. Requires no radials,... Read more
Antenna experiment – Fractal Quad for 28 Mhz band
“After reading many antenna articles in the Internet and a couple ARRL antenna books I got interested in physically small HF antennas. My... Read more
JVP Antennas back to the market!
JVP Antenas was born in 1982 by José Vasallo Paleologo LU1FJ, former LU5FHM with the idea of manufacturing high performance antennas for amateur rad... Read more
The New Carolina Windom By Len Carlson, K4IWL
“ As with all ham stations QRO or QRP, ten percent ofa station?s success in quality QSOs is the equipment and the operator. Ninety percent is th... Read more
Elecraft XG3 RF Signal Source
Photo Credit: Bill Hammond, AK5X The XG3 RF Signal Source is a powerful programmable signal source that fits in the palm of your hand. Miniature RF s... Read more
THE COKE LOOP Antenna by PY1AHD
“The Coke Loop is a Small Magnetic Loop Antenna tuned by a trombone-style variable capacitor made with standard soda cans. In Brazil we... Read more
