“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
AC6V’s GUIDE TO FM REPEATERS
AC6V’s GUIDE TO FM REPEATERS This book is six months in the writing and features the advice of several noted Amateurs and technical gurus... Read more
NSTIG-8R Dual Band (VHF/UHF) Analog Portable Two-Way Radio
VERSATILE RADIO FOR AMATEUR AND COMMERCIAL USEThe NSTIG-8R is certified for use on commercial and amateur frequencies. The NSTIG-8R is FCC Cert... Read more
Hytera introduces the PD982 handheld radio
PD982, a new member of the already versatile DMR portfolio of Hytera, brings exceptional audio experience with enhanced features and innovation... Read more
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
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
Introducing The Android HT
by Bob K0NR “Some exciting news wandered into my inbox this past week concerning a handheld radio driven by the Android operating system. The RF... Read more
Equipment
FLEX-1500 – Software Defined Radio
The Entry Level QRP Software Defined Radio and Ideal IF Deck for VHF-Microwave Operation The FLEX-1500™ is a low-cost, low-wattage SDR that is... Read more
Introducing the RS-BA1 Version 2 Dualwatch Remote Control Software
The RS-BA1 remote control software gained popularity by allowing Amateur radio operators to operate selected Icom radios from a PC via IP. The RS-BA1... Read more
TM840 DMR Mobile Radio
DMR Mobile Radio 1.8” Graphic Dot-matrix True Color Display The large-sized, full color display enables the access to desired information easily even... Read more
![Icom IC-9100 Review [ Video ]](https://qrznow.com/wp-content/uploads/2015/04/IC-9100-3-190x122.jpg)
Icom IC-9100 Review [ Video ]
George Thomas, W5JDX, of Ham Nation and AmateurLogic.tv provides an in depth review of the Icom IC-9100 Read more
XR44COPA – Copa América 2015
XR44COPA – Copa América 2015 Special Call celebrationof Copa América Chile 2015 Team Chilean Pacific Dx Group worked : XR44COPA 2015 CE3MMT -CE3... Read more
QRP Pixie – Chinese $7.00 CW Transceiver Kit (40m)
Product Description The Pixie “micro-power Telegraph transceiver kit instructions This is a very small volume of a simple 40 meter band micro-po... Read more
Review
Kenwood TH-D74 – Review and Quick Tour (4K) – English version
“This video is a quick tour, but complete, of the Kenwood TH-D74. If you have any questions or comments, don’t hesitate to ask via the comments... Read more
Further Testing of MFJ Octopus at Quartzfest (#183 Project)
Mix and match any four HF/VHF/UHF bands. Example: screw in 80,40,20 meter hamsticks and a dual band 2M/440 MHz whip (two on each band) on opposite sid... Read more
MFJ-911H Balun Review 160-10 meters 300W
“Today on Hamradiocomms I review the excellent MFJ-911H Current Balon. Handles 160-10 meters 300W and has switchable 1:1 or 4:1 baluns. Makes po... Read more
Unboxing and Testing the BaofengTech UV-5X3 Triband HT
BaofengTech has released a model called the UV-5X3, which is a Triband HT, including the 220MHz band. Let’s take a look at this radio, see how t... Read more
COMPLETE IC-7851 TEST REPORT NOW ON-LINE BY ADAM, VA7OJ/AB4OJ
IC-7851 Test Report for IC-7851 July 1 and September 21-22, 2015 by Adam Farson VA7OJ/AB4OJ (Iss. 2) The following are the results obtained from lab t... Read more
RF transistor handles 1.5kW 1.8 to 500 MHz
NXP’s MRF1K50H is a 1,500W LDMOS transistor, following on from the 1,250W MRFE6VP61K25H. This high ruggedness device, MRF1K50H, is designed for use in... Read more
Antenna
NTE Low Temp Solder Wire Connections
DX Engineering carries the NTE Low Temp Solder Wire Connectors. All you need is a heat gun to make solder connections between wires. Four sizes for wi... Read more
18el 6bander – GXP Antenas – 40/20/17/15/12/10
GXP Antenas 18el 6bander Bands 40/20/17/15/12/10 Gain (dBd) 3,9/10,6/10,3/10,5/10,2/10,5 F/B (dB) 22/26/22/23/20/21 SWR 40 le... Read more
New Book: Receiving Antennas for the Radio Amateur is Now Shipping!
ncrease your station’s receive performance with new book Receiving Antennas for the Radio Amateur by ARRL author Eric P. Nichols, KL7AJ. Althou... Read more
Inac Antenna AH-2054 (15, 12, 11, 10, 6 m. band)
Inac Antenna AH-2054 antenna is a high performance halo. Supports a high level of radio frequency between 160 and 360W. It covers the HF bands higher,... Read more
$40 ANTENNA ANALYZER WITH ARDUINO AND AD9850
If you are a hacker, you might consider ham radio operators as innovative. Most people, however, just see them as cheap. So it is no surprise t... Read more
The W8JK is a famous and effective DX Antenna
W8JK by ZR6TXA The W8JK is a famous and effective DX antenna The W8JK Introduction The W8JK is a famous and effective DX antenna, first built b... Read more
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