“Antenna Rotators” is the topic of the new (August 2) 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.
Antenna
HF RX SWL Antenna For Small Spaces And Apartments RTL SDR
This antenna has internal loaded wire traps to act as a great alternative to a long wire. Ideal for those who want to listen to shortwave but have lim... Read more
Wolf River Coils Ham Radio Antennas. A Deep Dive
https://www.youtube.com/watch?v=00oTBh9fq5A Read more
80 Meter Dipole Install via Drone
Installing my 80 Meter Dipole with my DJI Mavic was probably not the smartest thing I’ve ever done but hey, it’s me we’re talking ab... Read more
How To Orientat A Beam Antenna– Beam Headings
Here’s a link to find your declination: http://www.ngdc.noaa.gov/geomag-web/ Request an Azimuthal Map by NS6T Read more
Tuner free directional HF Multiband Field Expedient Antenna kit
Description: This 10-80 Meter Multiband FEA (Field Expedient Antenna) Kit enables you to customize your Alpha Multiband HF Antenna. The kit can then b... Read more
VHF
3000km plus contact made on 433 MHz from St.Helena to South Africa
On the 16th of October 2020, there was a remarkable 3000+ km contact made on the 70cms band between South Africa and St.Helena in the South Atlantic.... Read more
Wouxun KG-B55 Dual Band 2m/440 Base Station
The Wouxun KG-B55 Dual Band UHF/VHF base station combines the ever popular KG-UV920P-A dual band mobile radio with dedicated a power supply int... Read more
YAESU DR-2X 144/430 Dual Band C4FM/FM Digital Repeater With Dual Transmit and Dual Receive
YAESU DR-2X Features Easy Migration…. The repeater controller, receiver and transmitter are all packaged into a 19” standard cabinet rack mount panel... Read more
USA Amateur Grid Square Map from ICOM
USA Amateur Grid Square Map An invisible grid, based on 1° latitude by 2° longitude, encompasses the globe and is used for geographic lo... Read more
TYT TH-9000D – VHF
The TYT TH-9000 is the Amateur compliant transceiver, with commercial grade features. This radio can be used on the BC Forest Logging Roads, and can... Read more
Equipment
Introducing the NEW BCS-200 Speaker Mic by BridgeCom Systems:
BridgeCom Systems, Inc is pleased to announce the availability of the BCS-200 Speaker Mic for the amateur and commercial radio markets. Introducing th... Read more
Fairwaves launches new SDR products
Fairwaves is launching two new “X“- products this fall: XYNC – the ultimate low-cost massive MIMO SDR, with up to 32×32 transmit/receive channels XCOM... Read more
50 Ohm PROFESSIONAL COAXIAL CABLES
COAXIAL CABLES Cables for transmission and reception for both professional and amateur 50 Ohms. The low loss and low SWR factor (SRL) make them unique... Read more
Ailunce HS1 HF SDR HAM Transceiver
Ailunce HS1 Description: Spectrum Dynamic Waterfall Display Multiple Working Modes：Receive Mode, Transmit Mode, TUNE Mode, VFO Mode, SPLIT Mode DSP Di... Read more
RADDY MULTI-FUNCTION BACKPACK
PERFECT FOR OUTDOOR: The Raddy backpack is perfect choice for outsoor using. It’s with plenty of pockets to carry all your needed stuff when pre... Read more
App - Mobile
SmartSDR for iOS v2.1.0 Now Available
FlexRadio Systems announces the release of SmartSDR for iOS v2.1.0 is now available for download or update from the Apple App Store. This App requires... Read more
N1KDO’s LoTW Look – Android
This application allows Amateur Radio Operators to browse and search their Logbook of the World (LOTW) QSL confirmations on their handheld de... Read more
Antenna Tool App – Android
A tool to help ham radio, CB, and other radio users to create antennas of various types. Calculations available for dipole, vertical (1/8, 1/4, 3/8, 1... Read more
Introducing the Icom ST-4002A GPS tool for Android OS Devices
Automatically input GPS location data from an Android™ device to the transceiver. Compatible with IC-7100, IC-9100, IC-9700, ID-4100A/E, and ID-5100A/... Read more
