“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
Announcing the TYT MD-UV380 Dual Band DMR Radio
“We received an announcement from TYT last night that a new DMR radio will be coming soon. We haven’t received a lot of details, but it lo... Read more
2017 BaoFeng DMR Upgraded Version! BaoFeng DM-5R PLUS Dual Band DMR Digital Radio 2000mAH
BaoFeng DM-5R PLUS Transceiver Compatible with Motorola VHF/UHF 136-174/400-480Mhz 2000mAH High Capacity Battery High Power/Low power Repeater Mode Ti... Read more
Ham Radio Smartphone! Outfone Rangerfone S15 Android VHF/UHF
SpecificationFeaturesAccessories S15 Rugged Outdoor phone Specification Basic Parameter Model Rangerfone S15 Color Black Design Bar OS Android... Read more
VERO China New Arrival: 40 Watts Dual Band Mobile Radio VR-6900 With Band Scope and APRS Display
Firmware upgrade remote VR-6900 can update firmware remotely, fix some bugs when find it Optional APRS VR-6900 support the optional APRS... Read more
Trial for transatlantic VHF QSO this weekend
Taken from Facebook from IZ7FLS Nico Hi everybody.. News from the South of the World.. As some of you surely remember, Pieter v51pj created a work gro... Read more
D Star & DMR for beginners- Radios, Hotspots and more
“I originally did this video as part of a monthly presentation for my local ham radio club. Its got some specific references to the Auburn CA cl... Read more
Equipment
Rotator Controller RT-21 Azimuth/Elevation
RT-21 Azimuth/Elevation Rotator Controller Two separate control boards for independent Azimuth and Elevation New crisp OLED displays Separate... Read more
SPE Combiner CO1-HF Up to 5 KW
SPE Up to 5 KW Combiner for two SPE EXPERT 2K-FA or two SPE EXPERT 1.3K-FA Linear Amplifiers RF SOLUTIONS is the authorised dealer for Australia/New Z... Read more
PiHPSDR Controller – Apache Labs
The PiHPSDR Controller is a stand-alone interface for the ANAN/OpenHPSDR Hermes SDRs, it is ideal for mobile applications and for users who prefer phy... Read more
CW Decoder – Inac
decoder translates and displays the tones of a telegraph or teletype signal on a display of alphanumeric characters. Only required to run a connection... Read more
ICOM IC-7300 analogue {analog} s-meter prototype testing
ICOM IC-7300 Features Frequency: 1.8～200MHz Power Range: 30/300/3000W Input Connector: N Female Cross needle SWR and Power indications in one meter un... Read more
Youkits FG-01 1-72Mhz Antenna ANALYSER
FG-01 1-72Mhz Antenna ANALYSER Assembed unit, tested and ready to use, Portable design easy to carry and operating, Comes with18650 battery pack, 10 M... Read more
Review
Yaesu FT-891 Initial Impressions
“Introducing the Yaesu FT-891! My new portable HF Transceiver for Ham Radio! The FT-891 is a 100w rig for HF-6m at just shy over 4 lbs. A super... Read more
Installing Your Ham Radio In Your Vehicle, Tips And Tricks For Mobile
“So I made a video showing a couple options that you can use for installing your ham radio in your vehicle. Every installation will be different... Read more
Kenwood TS990 UnBoxing and Basic Review
The TS-990S comes equipped with dual receivers for simultaneous reception on different bands, it also features narrow-band roofing filters on the main... Read more
Tech Tips – Radio & Antenna for HF Go Box
Tech Tips – Mike, KC8NMW – DX Engineering Sales & Tech Support “What HF rig and antennas are good for a go box?” Read more
Getting Started with Chameleon F-LOOP 2.0 Magloop Antenna
The CHA F-LOOP 2.0 was designed with portability, ease of use simplicity, ruggedness and high performance in mind. Unlike any other similar antennas o... Read more
Antenna
New AZEL1000CBWP – M2 Antenna
M2 Antenna New AZEL1000CBWP. Weatherproof version of our AZEL1000 pedestal in action with 200-500 MHz Log Periodic and 500-1000 MHz Helix antennas in... Read more
G3TXQ 6 Band Hexbeam Components
Some of the Hexbeams features are: 6 bands: 20m – 6m Full size 2 Elements on each band No lossy traps or coils Bespoke HIGH power wire elements... Read more
![ALL ABOUT ANTENNAS Part 1 Book [ Free ]](http://qrznow.com/wp-content/uploads/2016/02/Antenna-Farm-190x122.jpg)
ALL ABOUT ANTENNAS Part 1 Book [ Free ]
ALL ABOUT ANTENNAS Part 1 of a Series By Bob Grove W8JHD, Publisher, Monitoring Times No subject is more widely discussed in the radio field as antenn... Read more
The Double Bazooka Antenna – A Review
Here is a review of the 40 and 80 meter band Double Bazooka antennas as used on the HF shortwave bands. This will be of interest to amateur (ham) radi... Read more
New! 40m Rotating Dipole by G0KSC
G0KSC has again broken from tradition and introduced a new design, this time a 40m rotating dipole. The Delta C-140 is under 12m wide and despi... Read more
4O3A ANTENNA GENIUS 8X2 | SO2R ANTENNA SWITCH WITH TCP/IP
Ranko 4O3A has taken antenna switches into the 21st century! Antenna Genius 8×2 is the first in a new antenna switch line from 4O3A Signature sit... Read more