“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
Trial for transatlantic VHF QSO this weekend
Taken from Facebook from IZ7FLS Nico Hi everybody.. News from the South of the World.. As some of you surely remember, Pieter v51pj created a work gro... Read more
QYT KT-8900D Dual Band Quad-Standby Colorful Screen Mini Mobile Vehicle-mounted
Upgraded 2nd Gen. QYT KT-8900D QYT KT-8900D Dual Band Quad-standby Colorful Screen Mini Mobile Vehicle-mounted Radio TX & RX 136-174MHz & 400-... 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
How to Build your own DMR Digital Radio Code Plug – Ham Radio Q&A
“A DMR radio isn’t any good if it doesn’t have any frequencies or channels programmed into it. Programming your first DMR radio might feel a lit... Read more
Equipment
![Yaesu FT-DX101D/MP [ English Brochure ]](https://qrznow.com/wp-content/uploads/2018/11/FT-DX101mp_u-190x122.jpg)
Yaesu FT-DX101D/MP [ English Brochure ]
Yaesu FT-DX101D/MP The new FTDX101D is utilizing the latest SDR Technology and classified as our High-End HF line, the FTDX series, which amateurs hav... Read more
ECOFLEX 15 is a flexible low-loss coaxil cable
ECOFLEX 15 is a flexible low-loss coaxial cable for use in the frequency range of DC – 6 GHz. Its unique construction combines the low loss prop... Read more
POWER GENIUS XL PREORDERS ARE AVAILABLE
POWER GENIUS XL PREORDERS ARE AVAILABLE THIS IS A RESERVATION ONLY – REMAINING BALANCE WILL BE DUE PRIOR TO DELIVERY Amplifier Price: $6999 Reservatio... Read more
DU800 – HA8DU Manual Tuners HF+6m
DU 800 HF+6m ANTENNA TUNER FEATURES The DU 800 T optimizes the performance of your antenna and transmitter or SWL receiver by providing adjustable imp... Read more
Xiegu X5105 HF+6m Transceiver
Xiegu X5105 “Here is a pic of the new Xiegu X5105… Xiegu Tech will launch new products. I’m very pleased to share relevant information wit... Read more
Review
Baofeng RD-5R Dual Band DMR HT Review
Baofeng RD-5R “Today we talk about the Baofeng RD-5R Dual Band DMR HT. I found it to be a decent radio, but lacking the features that we have se... Read more
SOTA hike Testing the Xiegu X5105
Xiegu X5105 “I’d climb a mountain for you guys and this time I literally did. We decided to try our hand at Summits On The Air or SOTA. It... Read more
Setting up a Buddipole Deluxe Kit in the Field
DESCRIPTION The Buddipole™ Deluxe Package includes everything you need for setting up an efficient portable antenna solution anywhere in the world in... Read more
Heil HS2 Hand PTT switch for 2 radios with MFJ-1263
“In this video you will find information about the Heil HS2 handheld PTT switch that I use with my 2 Kenwood radios (TS-2000 and TS-990), thanks... Read more
KB8O Demonstrates Receive 4-Square on 160m
Jay Pecora, KB8O from Elyria, OH demonstrates his DX Engineering Receive Four-Square system on 160 meters. Read more
Antenna
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
Rotatable 160 Meter Receiving Loop – WB6RSE Wins July QST Cover Plaque Award
The winner of the July 2015 QST Cover Plaque award is Steve Lawrence, WB6RSE, for his article “Rebuilding a Receiving Flag Antenna for 160 Meters.” Th... Read more
MFJ -225 HF/VHF, 1.8-170 MHZ GRAPHIC ANALYZER
MFJ-225 HF/VHF Two-Port Graphic Antenna AnalyzerTake RF testing to the next level with the new MFJ-225! All the basic analyzerfunctions you`ve... Read more
Indoor SteppIR Yagis by AE9K
Indoor SteppIR Yagis by AE9K Read Full Article: SteepIr Antennas Web Site Read more
Status QUAD: 4/12 StQ 50/144 , cubic 4 elements 50 Mhz and 12 elements 144 Mhz
Simulation table Eznec, gain and F / B in free space and real space at a wavelength from the ground Technical specifications DOWNLOAD HERE THE of the... Read more
DX Engineering Coax Cable Stripping Tools DXE-UT-8213
DX Engineering Coax Cable Stripping Tools provide a new and easy way to prepare your 50 ohm coax cable for the installation of solder-type PL-2... Read more
