“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-51 50th Anniversary version and ID-51 Plus Firmware Update Release E1
Icom ID-51 If you were one of the customers who purchased a 50th Anniversary version of the ID-51 or the latter ID-51 Plus, then there is a firmware u... 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
AOR AR-DV10
AR-DV10 Digital Handheld Scanning Receiver Features : 100kHz-1300MHz analogue & digital modes 10 Digital Modes : TETRA,P25(Phase 1+2),DMR,Mototrb... Read more
Yaesu VX-8GR
VX-8GR – A Devoted APRS® User Dual Band Version of the VX-8R Series of HandheldKey Features of the VX-8GR include:• Full 5 watts FM 144/430 MHz. • RX... Read more
Yaesu FT-4XR / FT-4VR : ANNOUNCEMENT
Yaesu FT-4XR FM DUAL BAND TRANSCEIVER Range: 136-174, 400-480MHz Antenna Connector: SMA Power Source: 12.6 VDC Nominal, Battery Operated Exclusively R... Read more
Baofeng UV-3R+ (Camo)
Description: UV-3R+ series two-way radios are the updated styles based on UV-3R by BAO FENG, it has multi-functions, such as dual band, dual display,... Read more
Equipment
Five-Watt SDR Transciever for Hams – RS-HFIQ 5W Software Defined Radio
The RS-HFIQ is a high performance Software Defined Radio (SDR) 5W Transceiver for CW, SSB, AM, FM and digital modes. Product Summary Not just another... Read more
Radio Incident Command Kit by N1RFD
What is my definition of a Communications Go-Kit? A Communications Go-Kit (or Radio-Ready-Kit) is made up of a portable “Amateur radio” st... Read more
SDS200 True I/Q™ TrunkTracker X Base/Mobile Scanner
SDS200 True I/Q™ Receiver TrunkTracker X Direct Ethernet Connectivity for Streaming and Control Complete USA/Canada Radio Database Location Con... Read more
M-1 Yaesu Reference Microphone
The M-1 Reference Microphone is the ultimate, high-quality, innovative desktop microphone, dedicated to the most discriminating Ham Radio Operators. I... Read more
Zhong Xing Power Amplifier – HF2013DX
Zhong Xing Power Amplifier Since 2010 with advanced technologies and selected materials, we began to manufacture Zhong Xing Power Amplifiers fo... Read more
ANAN-7000DLE 100W HF & 6M Transceiver
The ANAN-7000DLE HF & 6M 100W SDR Transceiver offers top of the line performance is a compact rugged package, it is based on the work of the OpenH... Read more
Review
Building an Ultra Portable Go-Box
LUITON LT-898UV Dual Band Mobile Main features: 1. Dual band: 136-174MHz/400-470MHz/245MHz (Receive only) ; 2. Dual Reception/Dual Display ; 3.... Read more
Buddipole PowerPlus | Rugged Portable DC Power Management System
DESCRIPTION Rugged Portable DC Power Management System with built-in High-Efficiency Battery Charger! > High contrast OLED display > Power manag... Read more
Green Egg for Ham NMO Antenna Mount Cover – Ham Radio Q&A
“The Green Egg for Ham is a cute name for a 3D printed cover for your NMO antenna mounts. The Motorola style NMO mount is a popular style mount... Read more
Yaesu FTM 3200DR Transceiver- ARRL Review Video
FTM-3200DR C4FM FDMA / FM 2-Meter TRANSCEIVER The new FTM-3200DR is a ruggedly built yet compact C4FM/FM VHF mobile transceiver, providing high outp... Read more
Extensive Ground System at N6GR
“Brad Rich, N6GR, walks us around his Alamogordo, New Mexico, ground installation to see the extensive lengths he went to in order to create a v... Read more
Antenna
HF Mobile Autotune Whip Antenna 1.8-30 MHz 200W
Stealth 9310 antenna is a budget version within 9300-series Automatic Tuning Whip HF Mobile Antennas family designed for military and professional app... Read more
QST Antenna Design Competition Submission Deadline Looms
The deadline to submit a design for the 2018 QST Antenna Design Competition is just ahead — September 1! The competition challenge is to design the be... Read more
Acom HF antenna V101
Acom HF antenna V101 FEATURES The V101 – 03AT antenna system consists of the Broadband Inverted Vee Dipole Antenna V101 and the automatic... Read more
Lesson 6.1 Antenna Basics
Antenna Basics “General Class Ham Radio instructional video, introduces Section 6.1 in the ARRL General Class License Manual. The section is ext... Read more
A Dualband 50/70MHz Yagi with single feedpoint – 5/7 (12) element 144/70MHz Yagi (2.4m)
An Excellent Dual Band Yagi for 70/144MHz on a 2.4m boom and single feed point The 4-2-12 Dual Band Yagi has a total of 12 elements, 5 elements are us... Read more
Cubical Quad Antenna JavaScript Calculator
JavaScript PROGRAM by N6ACH Ron vanVarden Sample: See More on Calculator Web Site: Link Photos – Click to enlarge ... Read more
