“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
ARRL Asks FCC to Allow 3.4-GHz Operation until Spectrum is Occupied
In comments to the FCC, ARRL has argued that radio amateurs be allowed to continue shared operation in the 3.4 GHz band until 5G licensees who purchas... Read more
Yaesu FT 991 Versus Icom IC-910 in 144MHz
Yaesu FT 991 Versus Icom IC-910 in 144MHz “We compare the FT-991 receiver performance on 2m with two other radios. Justin, G0KSC, from Waters... Read more
Wouxun KG-UV9D+ ProPack UnBoxing
Wouxun KG-UV9D Read more
QYT KT8900 UHF VHF Mini Mobile Radio
QYT KT8900 UHF VHF Mini Mobile Radio + Programming Cable Item number KT8900 General Frequency Range VHF:136-174MHz UHF:400-480MHz Number of... Read more
RADIODDITY GA-510 | 10W | DUAL BAND | TRI-POWER | ANALOG RADIO | 2 BATTERIES
➤ UP TO 8 MILES RANGE: A further and more impressive communication range comes from the 10W high power feature. The Radioddity GA-510 can be set in 3... Read more
The Ten Cent Modification You Can Do to Double Your Radio’s Range
by David Spero Some things in life you can never have too much of. But for this article, we’ll concentrate just on radio range/efficiency! There are... Read more
Equipment
HF Linear 2KW HF2015DX – Chinese by BG5EFD
RF Linear amplifier coverd 1.8-30MHz WARC amateur bands , using Chinese FU728F ceramic tetrodes working at Class AB1 driving power:5-50W output:20... Read more
Walkie Talkie QRP QSO with XIEGU X5105
Features a built-in highly efficient automatic antenna tuner, split frequency XCVR function, RIT receive fine tuning, NB noise suppressor, NR digital... Read more
An In Depth Look At ICOM IC-705 HF VHF UHF QRP Transceiver
https://www.youtube.com/watch?v=abbSuqz59co Read more
BOXA-LOAD 50 Ohm RF Dummy Load
Product Description 50 Ohm RF Dummy Load An essential piece of equipment in any radio shack, the BOXA-LOAD is a 50 Ohm dummy load. VSWR bette... Read more
Mobile Communications Center – Go Box by KI6AIX
Designed and built by Dennis, KI6AIX. This Mobile Comm Center features VHF and UHF two-way radios, a scanner, internal battery or power supply.... Read more
Review
Elecraft K4 Presentation at QSO Virtual Ham EXPO 2021
Eric demos the K4 with latest features at the QSO Today Virtual Ham EXPO 3_2021 Read more
Baofeng UV-5R Extreme Test! – Fire , Water , Freezer
Baofeng UV-5R Hello all! K5CLC here to share a really crazy and extreme field test I did on my year old Baofeng UV5R, to test its merit under the most... Read more
Field Testing The MFJ Octopus Antenna | Did It survive the wind?
“This time, I’m out in the field (way out in the Arizona desert) Field testing the MFJ Octopus antenna. So how does it hold up in 60 MPH w... Read more
Universal Ham Radio Remote. Open source remote radio control.
Universal Ham Radio Remote. Open source remote radio control. Read more
![Flex 6600 Hamvention 2017 [ Video Demonstration ]](https://qrznow.com/wp-content/uploads/2017/06/Flex-6600M_hamvention-190x122.jpg)
Flex 6600 Hamvention 2017 [ Video Demonstration ]
K5SRD talks about the new Flex 6600 on Amateur Radio Roundtable. FLEX-6600 A Real SDR for Every Operator Both the FLEX-6600™ and FLEX-6600M™ offer the... Read more
Antenna
DX Engineering Skylark Dual-Band Yagi Antenna DXE-2X7
Antenna, Beam, Skylark, Duoband Yagi, 17 and 12 meters, 90 mph Wind Rating, 16 ft. Boom Length, Each HF Beam Antenna Type:Yagi HF Beam Antenn... Read more
Introducing the SteppOut Vertical High-performance 1/4-wave HF Antenna From 14 to 30 Mhz By Bill, AA4BQ
From price to performance, the SteppOut Vertical is a true 1/4-wave vertical for 20-10m and for under $50! Let’s have some fun. The end product... Read more
Discone Antenna
A discone antenna is a version of a biconical antenna in which one of the cones is replaced by a disc. It is usually mounted vertically, with... Read more
HF PORTABLE – CHOOSING THE RIGHT ANTENNA
https://www.youtube.com/watch?v=Mgh6iID4Amk Read more
