“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
VHF Newsletter 83 – New VHF Handbook
The latest edition of the VHF Newsletter has been mailed to all on the VHF mailing list and can be found here. The new version of the VHF Handbook, 8.... Read more
Successful VHF QSO between ZS3 and ZD7
Kobus van der Merwe, ZS3JPY reports that between 19:45 and 21:45 UTC on Wednesday 7 November 2018, a QSO took place on 2 metres between St Helena Isla... Read more
Icom Launch New IC-A220T 8.33kHz Air Band Panel Mount VHF Radio
The IC-A220T, Icom’s next generation 8.33kHz* air band panel mount transceiver, is now TSO / ETSO approved** and available for sale. The long awaited... Read more
Baofeng UV-XR IP67 Waterproof Walkie Talkie 10W
Baofeng UV-XR 10W High Power Baofeng UV-XR Feature： 1. IP67 Waterproof and Dustproof. 2. High power 10W 3. Up to 128 memory channels. 4. Cross band r... Read more
Get Started with APRS for only $30!
Explain my basic setup for APRS which uses a Baofeng UV-5R HT and Android phone running APRSdroid and test it by shipping it to Indiana! For mo... Read more
USA Amateur Grid Square Map from ICOM
USA Amateur Grid Square Map An invisible grid, based on 1° latitude by 2° longitude, encompasses the globe and is used for geographic lo... Read more
Equipment
PPG100 Portable Power Generator
Midland Radio has been a show participant at the Consumer Electronics Show for several decades. Long an industry leader in two-way radio technology in... Read more
Xiegu X108 QRP Transceiver Kit 9 Bands – AM – SSB – CW
Xiegu X108 QRP Transceiver Kit 9 Bands – AM – SSB – CW 1 – 20 watts The X-108 is a single-conversion transceiver for all ama... Read more
Italab Rfbroadcast – HERCULES 1500 – HF RF POWER AMPLIFIER (1.8 – 30 MHz )
Italab HERCULES 1500 – HF RF POWER AMPLIFIER (1.8 – 30 MHz ) Extremely robust HF RF POWER amplifier, the RF section is equipped with 2 DUA... Read more
RS-HFIQ 5 Watt HF SDR Transceiver by HobbyPCB
Here we take a look at the RS-HFIQ 5 Watt HF SDR Transceiver by HobbyPCB. The RS-HFIQ is an open-source HF transceiver project designed to translate I... Read more
![Uniden SDS200 – Analog & Digital [ VIDEO ]](https://qrznow.com/wp-content/uploads/2019/01/UNIDEN-SDS200-FRONT-rt-1-190x122.jpg)
Uniden SDS200 – Analog & Digital [ VIDEO ]
Overview Introducing the SDS200, Uniden’s latest and most advanced base/mobile digital trunking scanner. The SDS200 incorporates the latest True I/Q r... Read more
ARS-USB AZIMUTH by EA4TX
Antenna Rotator System is the most popular and universal engine management antenna rotator. With this new generation that includes a USB port,... Read more
Review
KX3 Transceiver – Product Review by ARRL
KX3 Transceiver Reviewed by Joel R. Hallas, W1ZR QST Technical Editor w1zr@arrl.org The Elecraft KX3 is a nominal 10 W HF and 6 meter transceiver inte... Read more
Portable Zero ICOM IC 7300 Escort
Specifications: Material: 5052 powder coated aluminum (Black) weight: 13.2 OZ measurements: 12″ X 3.70″ https://portablezerostore.e... Read more
Pluto Plus SDR – An Adalm Pluto Upgrade?
Here we take a look at the Pluto+ which has all the features the original Adalm Pluto should of had. Description: Pluto+ is a software-defined radio p... Read more
SDR – Expanding the capabilities of Ham Radio
SDRplay at “QSO Today Virtual Ham Expo” – March 14th 2021 – Steve KI5ENW, shows what an SDR receiver can do to expand Ham Radi... Read more
BTECH DMR-6×2 and Anytone AT-D868UV, Side by Side
“In today’s episode, I do a side by side comparison of the BTECH DMR-6×2 dual band radio, and the Anytone AT-D868UV dual band DMR HT.... Read more
Antenna
Coil-loaded 40/80 Meter Inverted V Dipole Antenna by KG0ZZ
This 40 and 80 meter inverted V antenna is made with loading coils. It is a full size antenna on 40 meters and a shortened 80 meter antenna. The anten... Read more
Ultimax Extreme Antenna 1.0 to 54.9 MHz
The ULTIMAX DXTREME end-fed antenna covers from 1.0 to 54.9 MHz continuous and is rated at 2 KW (SSB) , 1.2 KW CW & RTTY. The DXtreme com... Read more
An end fed half wave cage antenna. How much wider bandwidth does it provide?
Another comparison between a single wire and a cage arrangement. This time on the end fed half wave antenna. Read more
The Hyper EZ Hang Kit
EZ HANG’S BASIC CONSTRUCTION IS A WELDED STEEL ROD ATTACHED TO A REEL THAT IS CORROSION RESISTANT PLASTIC AND STAINLESS STEEL. THE REEL COMES WITH 300... 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 ante... Read more
