“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
KYD IP-VU1A – VHF and UHF
IP-VU1A(waterproof two way radio) Waterproof IP65 Dual band FM radio Frequency Range: 144-146 MHz and 430-440 MHz (expandable to 136-174MHz, 420-520M... Read more
Slide Lock for Ham Radios
The ET-850 Locking Slide Mount provides convenience, ease of use and security in a black, powder-coat finish that is both attractive and rugged. The E... Read more
INTRODUCTION OF THE AnyTone DMR DIGITAL/ANALOG VHF AND UHF RADIO
PRESS RELEASE Qixiang Electron Science & Technology Co., Ltd was founded in January 1993, and is locate in Quanzhou in China. Qixiang is a high-te... Read more
Toptek Communications PA-85V VHF Power Amplifiers
Amplifier, VHF, 85 W, 138-174 MHz, Each Brand:Toptek Communications Manufacturer’s Part Number:PA-85V Part Type:VHF/UHF Amplifiers Product Line:... Read more
An Introduction to the Icom IC-2730E UHF/VHF Dual Band Transceiver
This video provides an introduction to the Icom IC-2730E mobile transceiver that provides VHF/VHF, UHF/UHF simultaneous receive capability as well a... Read more
Equipment
ModMic 4.0 Attachable Boom Microphone
ModMic Attachable Boom Microphone. A High quality electret microphone on a boom that attaches to any headphones to create your perfect headset. Produc... Read more
Solar Power Pack Pro 60
Solar Power Pack This bundle includes everything you need to get the most out of the revolutionary EnergyBar 250. Charge it with the power of the sun... Read more
Dealing With Noise in HF Mobile Installations
Many hams find that their HF mobiles receive more noise than they do usable signals. Common noise sources include the ignition system and alternator.... Read more
Mizuho MX2 Handheld SSB/CW Transceiver – 144MHz
The MX-2 was a small, handheld SSB transceiver for 2m VHF operation. By modern standards it was a small brick but it worked very well, apart from its... Read more
1 KW SSPA for 1.8-54 MHz
It’s been a while since I built an amp for HF; I’d have to go back to the 60’s and a pair of the venerable 3-500z tubes that I put t... Read more
TSG4100A RF Vector Signal Generator
The TSG4100A Series RF Vector Signal Generator offers mid-range performance and up to 200 MHz modulation bandwidth at an entry-level RF signal generat... Read more
Review
IARUMS Region 1 Presentation by HB9CET
The International Amateur Radio Union (IARU) is a federation of national associations of certified radio amateurs, representing over 150 countries and... Read more
![Baofeng BF-F8HP Dual Band UHF/VHF – 8 Watt output [ Video ]](https://qrznow.com/wp-content/uploads/2015/07/717L2IOzOVL._SL1500_-190x122.jpg)
Baofeng BF-F8HP Dual Band UHF/VHF – 8 Watt output [ Video ]
Baofeng BF-F8HP Read more
Review of MFJ-1984MP End-Fed Multi-band Antenna
END FED, 1/2 WAVE, 40-10M, 300W, WIRE ANTENNA FULL HF Coverage, no tuner needed on most frequencies. No long counterpoise, radials or feedline require... 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
Review: SOTABeams WSPRLite HF WSPR transmitter
Reviewing the WSPRlite transmitter by SOTABeams. Includes a description, demonstration and a look inside. In conjunction with the DXplorer website it... Read more
Alex Loop vs CHA-P-Loop vs Alpha Loop Whats best for you? K6UDA Radio Episode 33
http://www.alphaantenna.com The Alpha Loop http://chameleonantenna.com The CHA-P-Loop http://www.alexloop.com My Alex Loop Antenna http://www.elecraft... Read more
Antenna
10 $ WIFI 16dBi Super Antenna Pictorial
“In this pictorial I’m showing you how to make a 16dBi very powerful wifi antenna for under 10 dollars. I’ve already posted a movie... Read more
Steel Slinky Dipole Antenna 10 to 80 meters band
Steel Slinky Dipole Read full Article: Read more
Maldol HVU-8 Vertical Base Station Antennas HVU-8
Operational Bands 80 meters 40 meters 20 meters 15 meters 10 meters 6 meters 2 meters 70 centimeters Maldol HVU-8 Vertical Base Station Antenna... Read more
Wire log periodic HF antennas – LP 1530-W
See More :http://www.antenna.it/index.htm Read more
Building the Moxon Antenna
Building the Moxon Antenna is fairly easy and lends itself to imagination. No two Moxon’s are identical save the dimensions of the elements... Read more
BALCONY ANTENNA MOUNT – MFJ-1907
MFJ Heavy Duty Balcony Antenna Mount Use this MFJ-1907 to safely and securely mount an antenna to your balcony in your apartment or condo. Go portable... Read more
![Are We Entering a Maunder Minimum? [PODCAST]](https://qrznow.com/wp-content/uploads/2019/02/solar-cycle-sunspot-number-265x168.gif)
