“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
IARU Region 1 announce a new edition (8.00) of the VHF Handbook
The new version of the VHF handbook is available in the “Resources” section of the website and can be accessed at IARU Region 1 VHF Manage... Read more
Baofeng DM-5R: Manuals and Software
Baofeng DM-5R DMR Digital Radio VHF/UHF 136-174/400-480Mhz 2000mAH High Capacity Battery High Power/Low power 21CM Dual Band Antenna 8-Level Stepped F... Read more
Wouxun KG-UV9D+ ProPack UnBoxing
Wouxun KG-UV9D Read more
Mirage Amplifier B-320-G VHF, HT/MOBLE AMP, 200W OUT, 144-148 MHZ
Amplifier, HT, VHF, Solid State, 144-148 MHz, 3/50 W In, 200/200 W Out, UHF Fem, SO-239, 13.8 Vdc, 25 A, Each Add this amp to your 2 Meter HTor mobile... Read more
How to Extend Radio Range Without Adding a Repeater?
How to Extend Radio Range Without Adding a Repeater? When there’s a need to extend the coverage of handheld two-way radios, the first option is usuall... Read more
Wouxun KG-UV8E – TRI-BAND
Wouxun KG-UV8E You want to transmit on the 220 but you don’t want to lug an extra radio around. Why carry multiple transceivers at your side whe... Read more
Equipment
Expert Amps 2K FA
Expert Amps 2K FA Manual See More: Link Photos: Read more
Acom 600S – 600W solid state 160m to 6m Amplifier
FEATURES • 5″ (108x65mm) high resolution color display, 800×480 pixels, and 24-bits colors. • The final stage uses field effect (MOSFET) tr... Read more
Ailunce HS1 HF SDR HAM Transceiver
Ailunce HS1 Specification: Frequency Range: 0.5-30MHz Operating Mode – SSB(J3E)，CW，AM(RX Only), FM, FREE-DV TX Power: Max to 15w Product Dimensi... Read more
Elecraft KX3 GoBox
As I was contacted by a few HAMs where to get “my” box I would like to give you a little parts-overview. Unfortunately I`m not able to manufacture thi... Read more
New Dual Inline Module – GAP Antenna
The new GAP Dual In-Line DSP noise eliminating module provides two channel/stereo noise cancellation, and is suitable for use on all radios and receiv... Read more
Icom Launch Innovative IC-R8600 Wideband Communication Receiver
The IC-R8600 is a new, advanced communication receiver with the capability of covering a huge range of radio spectrum from 10kHz to 3GHz as well as ha... Read more
Review
MFJ-998 automatic antenna tuner 1500 Watts – Review and Setup
Full 1500 watts SSB/CW…Digital & Analog SWR/WattMeter . . . All features of MFJ IntelliTuners– Ultra-fast, Safe Automatic Tuning . . . Wide... Read more
Hamfest 2017 – Preview of the Icom IC-7610 and IC-R8600 rigs
In part one of our reports from Hamfest 2017 we have a sneak preview of the Icom IC-7610 and IC-R8600 rigs. We meet the new owners of PW Magazine, and... Read more
HF Mobile Antennas – Ham Nation
Gordon West (WB6NOA) talks about HF mobile antennas, and getting the feed-point impedance at 50 Ohms. Also covered, is a recommendation on the type of... Read more
Overview – YAESU FT DX 3000 & SDRplay
YAESU FT DX 3000 & SDRplay More: https://www.hb9fxq.ch. Read more
“S-Units” is the topic of the episode of the “ARRL The Doctor is In”
S-Units” is the topic of the current (August 17) latest episode of the “ARRL The Doctor is In” podcast. Listen…and learn! Sponsored by DX Engi... Read more
Comet CAA-500 MK2 Antenna Analyzer Preview
CAA-500MARKII SWR/Impedance Analyzer Highly accurate analog cross needles display SWR and impedance simultaneously. Full color TFT LCD display screen... Read more
Antenna
6M HO LOOP M2 ( 50MHz )
Our 6M HO Loop is the result of a continued development of reduced size, omni–directional horizontallypolarized loop-style antennas. This new de... Read more
Cross-Band Yagi 144/430 MHz 5+9 el. 150cm
DK7ZB based, especially recalculated for armateur sattelites use – 146 and 437 MHz. Cross-Band Yagi The antenna is designed mainly for co... Read more
80 Meter Shortened Inverted-L Bazooka Antenna
Bazooka Antenna A DOUBLE BAZOOKA antenna is an extremely broad-banded Half Wave Antenna that can operate efficiently across an entire Ham band with li... Read more
CHALLENGER DX – 8 Band Multiband Antenna
THE CHALLENGER DX The Challenger antenna is the first production multiband antenna to utilize GAP technology. Thousands of Challengers are now... Read more
80M EH Antenna by WB5CXC
EH Antenna “This is a picture of my EH ‘STAR’ antenna for 80 meters. It has two cylinders made from aluminum flashing 30 1/2” long, wrapped ar... Read more
2018 QST Antenna Design Competition Winners Announced
ARRL has announced the winners of the 2018 QST Antenna Design Competition. “Dozens of entries were received, but only three could win,” said... Read more
