“Generators” is the topic of the new (June 22) 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.
Equipment
A Prototype Foot Switch for the Future by JH5GHM
Judging from CQ-Contest reflector discussions, many contesters do not seem to appreciate the importance of a foot switch in a contest environment. For... Read more
miltiFlex – FlexRadio
Maestro and PC at the same time Have your cake and eat it too. With multiFLEX you no longer need to choose between a Maestro and a PC. Now you can ope... Read more
KAT500 High-Power Auto-Tuner & Smart Antenna Switch
The KAT500 is a high power autotuner that can be used with both the K3/KPA500 and all other HF amplifiers and transceivers. The KAT500 uses the same... Read more
ANAN-8000DLE HF & 6M 200W SDR Transeiver
The ANAN-8000DLE HF & 6M 200W SDR Transceiver meets and exceeds the requirements of even the most discerning Amateur Radio Operator, it is based o... Read more
Powerwerx 30 Amp Desktop DC Switching Power Supply with Powerpoles
Power Supply This small regulated switching power supply features 2 Powerpole outputs in front and 1/4″ binding posts in rear. Machined metal fr... Read more
Digital Modes
JS8Call 0.7 Released
J8Call “Howdy Folks, We’ve sure come a long way in the past few weeks. Thanks for sticking with me and enjoying the ride! This release is... Read more
The FT4 Protocol for Digital Contesting by K1JT
Joe Taylor, K1JT, Steve Franke, K9AN, and Bill Somerville, G4WJS April 22, 2019 Introduction: FT4 is an experimental digital mode designed specificall... Read more
On-the-Air Test of New FT8 “DXpedition Mode” Set for Early March
A second beta version of WSJT-X version 1.9.0 has been released, the WSJT development group announced this week. The “release candidate,” as it’s call... Read more
Fldigi v3.23.16 now available
The hard-working development team led by W1HKJ have announced the release of Fldigi v3.23.16. This version of Fldigi is a maintenance release with a v... Read more
WSJT-X Version 2.0.0-rc1 Released – Download FT8
Go to New Features in WSJT-X 2.0 for a detailed description of its new features. Further technical information (primarily of interest to programmers)... Read more
VHF
Maidenhead Grid Square Locator System – Ham Radio Q&A
“You’ve seen these printed on QSO cards, but what do they mean. I’m talking about grid squares, a unique method of geolocation that is popular w... Read more
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
EI3KD works Cape Verde on 144 MHz to set new Region 1 DX record
“On Sunday the 5th of August 2018, Mark Turner EI3KD managed to work D4Z on the Cape Verde Islands off the coast of of Africa on 144 MHz, a dist... Read more
Talking through a satellite from 15 feet apart
“Andrew Knafel, KN8FEL saw my videos and through our correspondence I helped him learn how to operate satellites. He and his family live in Ohio... Read more
![Baofeng DM-5R : Tier II Support [ Update ]](https://qrznow.com/wp-content/uploads/2016/09/BaoFeng-DM-5R-2-190x122.jpg)
Baofeng DM-5R : Tier II Support [ Update ]
Baofeng DM-5R Radioddity has updated the DM-5R listing with this cryptic note about Tier II support: “Support DMR repeater function (DMR Tier I;... Read more
Software
SmartSDR for iOS v3.06.04 Now Available
FlexRadio Systems announces the release of SmartSDR for iOS v3.06.04 is now available for download or update from the Apple App Store. This App requir... Read more
New Ham Radio Deluxe v6.7 now available for download
HRD Software is proud to serve over 30,000 ham radio customers in 136 countries. Thank you to our customers in Afghanistan, Anguilla, Argentina, Austr... Read more
Ever wonder how to update firmware on your IC-9700?
IC-9700 Thank you Hayden H. – VK7HH for sharing his video, and be sure to follow him on his Youtube channel. For more information on the update:... Read more
New firmware for ICOM, D-STAR compatible handy device and 6 mobile devices will be released simultaneously
On November 6, the new firmware was released on the following six models (the version name of the released firmware in parentheses). In addition, new... Read more
