“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
Ham Radio Xmas Story – ALEXLOOP !
See More about AlexLoop Read more
Reference Station Antenna Redux: MFJ-2010 OCFD for 40, 20, 10, 6m
“The MFJ-2010 off-center-fed dipole (OCFD) looks like a much better candidate for the reference station antenna. This video looks at is features... Read more
100 Ft Balloon Antenna by KN9B
100 Ft Balloon Antenna “Our radio club yearly Special Event (SE) has experienced low signal strength and poor signal reports. We needed a better... Read more
VHF
New release of portable transceiver IC-705 that covers all modes including DV (digital voice) from HF to 430MHz band .
IC-705 Product name / model name Amateur Radio HF / 50/144 / 430MHz <SSB / CW / RTTY / AM / FM / DV> IC-705 Suggested retail price 124,800 yen +... Read more
YEASU FTM-10
Dual-band mobile beyond the concept of transceivers. Mobil transceiver to enjoy motor sports. Body waterproof type FTM-10S stand... Read more
Recent 3000km+ opening on 144 MHz between New Zealand and Australia reported
On the 1st of December 2019, there was an extensive Sporadic-E opening on 144 MHz in the south-eastern part of Australia. While this allowed contacts... Read more
144 MHz signal from the Faroe Islands heard 3000kms away in Bulgaria during Geminid Meteor Shower – Dec 2020
Every year, the Geminid meteor shower peaks around the 14th of December and many VHF radio amateurs make contacts by bouncing signals off the meteor t... Read more
Equipment
UNIDEN UBCD3600XLT DIGITAL SCANNER RECEIVER 25-1300MHz
UNIDEN UBCD3600XLT FEATURES, FUNCTIONS AND SPECIFICATIONS: • Favorites Scan – Allows you to organize your Systems into Favorites Lists. The scanner wi... Read more
HF Amplifier Ameritron ALS-1306
Ameritron HF+6 1200W Solid State Amplifier 1.5-54 MHz . . . 1200 Watts PEP Output, Instant Automatic band switching, no tuning, no warm-up, SWR protec... Read more
QRP Ranger
An innovative portable energy system, optimized for mobile radio in the field. How do you define ‘state-of-the-art’ in mobile radio power? QRP RANGER... Read more
CloudIQ – The next chapter in #connected software defined radios
CloudIQ The Cloud-IQ is the latest high performance software defined receiver from RFSPACE. The Cloud-IQ offers two modes of operation.... Read more
VisAir QRP
VisAir QRP Read more
App - Mobile
SmartSDR for iOS v1.0.4 Now Available
FlexRadio Systems announces the release of SmartSDR for iOS v1.0.4 is now available for download or update from the Apple App Store. This release con... Read more
Tutorial – Using the new routing function in RT Systems featuring RFinder
Once again RFinder and RT Systems have partnered to kick radio programming up a notch. This tutorial will show you how to get the most o... Read more
Look4Sat: Radio satellite tracker – APP
Ham radio and weather satellite tracker and passes predictor inspired by Gpredict Main features: – Calculating satellite passes for up to one week (16... Read more
My LoTW – Free app for iOS and Android
My LoTW is a viewer app for ARRL’s Logbook of the World. With My LoTW, you can: – View all the QSOs you have submitted to LoTW. –... Read more
RUMlogNG2Go for iOS version 3.5.2 now available
Thomas Lindner, DL2RUM, is happy to announce the availability of version 3.5.2 of his RUMlogNG2Go logger for the iPhone and iPad. RUMlogNG2Go can be ... Read more