“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
Jamboree on the Air (JOTA) Stations Encouraged to Register and File Post-Event Reports
Scouting’s Jamboree on the Air (JOTA) officials are asking JOTA 2016 participants not only to register for this year’s event, but to follow up with a... Read more
Icom America’s New D-STAR Transceiver is Now Available
KIRKLAND, Wash. (May 2017) – Adventure awaits with the new Icom ID-4100A VHF/UHF Dual Band Transceiver. A compact and smart design, this is the perfec... Read more
FM / VHF Operating Guide by K0NR
FM/ VHF Operating Guide By Bob Witte, KØNR This guide is intended to assist new amateur radio operators in figuring out what VHF FM and repeater opera... Read more
145 MHz Low Loss Bandpass Helical Filter
Low Loss Bandpass by Mile Kokotov Basic design of the filter is from RSGB VHF-UHF Manual, but I made some modifications. Both Inductors... Read more
Icom IC-DV6010 and IC-DV60S3 – 260MHz
Icom, to meet the new standard start released the 260MHz band municipal disaster prevention administrative radio system. Icom Co., Ltd. (Headquarters:... Read more
Like Father, Like Son: Michigan Ham Wraps Up Grid Master Award
Satellite enthusiast Doug Papay, KD8CAO, of Zeeland, Michigan, has worked all 488 US grid squares via satellite and has been granted Grid Master Award... Read more
Equipment
Elecraft KPA500 Compact 160-6 M Solid State Amplifier
500+ Watts in a compact package the size of the Elecraft K3. We are proud to introduce the KPA500: A 500-watt solid-state amp that inte... Read more
The Foxx-3 Transceiver – 80m, 60m, 40m, 30m, 20m versions available
Connections are as follows: antenna via 50 ohm BNC, power via 2 pin 0.1″ header, headphones via 3.5mm mono or stereo jack plug or 2 pin h... Read more
Icom – Download 2014 Amateur Product Catalog (PDF)
Icom – Download 2014 Amateur Product Catalog (PDF) Read more
A compact 5 band QRP SSB transceiver in SMD technology
A compact SSB transmitter/receiver will be presented. This unit covers 5 bands within the amateur radio spectrum (3.5, 7, 14, 21 and 28 MHz). Receiver... Read more
Review
Icom RS-BA1- Installing & Setting up Remote Control for your IC-7300
Our friends at the TX Factor have produced a video that logically goes through the step by set process of remote controlling an Icom Amateur radio, mo... Read more
KN-Q7A SSB 20m QRP Ham Radio Transceiver Kit
KN-Q7A SSB 20m QRP Are you tired of building pixie kits, rockmites, and other entry levelham radio transceivers that just end up sitting on the shelf... Read more
Review of the new RSPdx SDR receiver by SDRplay
This new model has a metal case, three antenna connectors and several circuitry upgrades that make it the performance leader in the SDRplay line-up. Read more
POWER POLE DC OUTLET – MFJ 1124 , 1106 , 1126, 1128, 1129, 1104
POWER POLE DC OUTLET – MFJ Read more
Antenna
The Alternative Multi-band Solution – Cobra UltraLite Antennas
Covers More Bands than a G5RV (Shorty). Goes up Fast, Easy on Trees. All Stainless Hardware Black Marine ABS Insulator Blocks Handles a Full kW... Read more
Antenna Design and Measurement Software
AnTune software assists in designing antennas and RF impedance networks. Their software runs on PC/Windows and can communicate with a Vector Network A... Read more
![Do Dipoles Have to be Straight? [ The Doctor is In Podcast ARRL ]](https://qrznow.com/wp-content/uploads/2019/05/s-l1000-190x122.jpg)
Do Dipoles Have to be Straight? [ The Doctor is In Podcast ARRL ]
Image Source : Wikpedia Read more
Introducing the SDA 2000 OptimizIR
“Today we’re incredibly excited to announce the launch of our first antenna optimization product: the SDA 2000 OptimizIR. This replaces your e... Read more
