“Automatic Gain Control” is the topic of the latest (February 1) episode of the “ARRL The Doctor is In” podcast. Listen…and learn! More than a half-million downloads since its debut in April 2016 attest to the podcast’s popularity.
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 firstname.lastname@example.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.
As I was contacted by a few HAMs where to get “my” box I would like to give you a little parts-overview. Unfortunately I`m not able to manufacture thi... Read more
The linear amplifier HF2013DX-A is designed for all shortwave bands from 1.8MHz to 29MHz amateur (including WARC) and all operating modes. It is equip... Read more
SMΩRF™ is the most powerful and accurate, in-line RF Vector Signal Meter to date with accuracy rivaling professional instruments. Has tons of features... Read more
IC-705 There has been massive interest around the world about the new IC-705 QRP SDR transceiver since a concept model was shown at the Tokyo Hamfair... Read more
Specifications Dimensions ............ 19.0W x 5.25H x 20.0D inches Weight ................ 15 Lbs. (19 Lbs. ship) Frequency Range ........ 5 - 30000... Read more
IC-7610 Technical Report, which explains the RF direct sampling system and RMDR used in the IC-7610. You can find the Technical Report here: http:/... Read more
LDMOS HF amplifier 90W input 2400W CW SSB output 1.8-54 MHz This a ready power amplifier. You will need a case and power supply only! Water-cooled h... Read more
Also read This Common-Mode Chokes by Chuck Counselman, W1HIS is well worth reading. Read more
George, WG4J, has a alpha delta 4 position switch that he wants to use to switch between his radios instead of the antennas. He asks, Will this work? Read more
The worlds lightest commercial G3TXQ Hexbeam at only 6KG specially designed with DX-peditions in mind. Main antenna features: THIS IS NOT A KIT, ready... Read more
Read great article from VE3VN – 40 Meters 4-element Wire Yagi : Read more
“Viewer request to try out an antenna for Ham Radio in the attic. Using the CQ Antennas Center Insulators from KE5FEN. Thanks David for the insu... Read more
Some slight mishaps have been fixed, some radials have been re-established, and it is time to double check this bad boy, with an SWR meter. Will the D... Read more
This Hamradioguide has ALL KINDS of great information within!! For new ham radio operators, you can learn a lot from this. For the seasoned ham, there... Read more
(tr)uSDX usdx transceiver 5-band Multimode QRP Kits and assembled with case by PE1NNZ and DL2MAN The (tr)uSDX is a 5-Band / Mulitmode QRP Transceiver... Read more
WebSDR Alex Csete OZ9AEC is showing you how you can listen to and decode digital ham radio traffic without having any receiver or antenna. All you nee... Read more
“Alright. Enough jib-jab. Here are the notable changes in 0.6: * Version 0.6 is not backwards compatible with 0.5 so you should upgrade ASAP. *... Read more
The World Wide Radio Operators Foundation (“WWROF”), in collaboration with the Slovenia Contest Club (“SCC”), is pleased to announce the first annual... Read more
Tips for FT8 DXers Gary Hinson, ZL2IFB 1. The digital modes are being actively developed and the protocols/operating conventions are still evolving. U... Read more
Source: LINK WSJTX 2.1.0RC5 Release! – The FT4 Protocol for Digital Contesting The FT4 Protocol for Digital Contesting by K1J... Read more
FlexRadio Systems announces the release of SmartSDR for iOS v3.4.01 is now available for download or update from the Apple App Store. This App require... Read more
A tool all-in-one for the radio amateur in Portugal and Spain created for personal use but at the last JOTA / JOTI, was released at the request of som... Read more
This application allows Amateur Radio Operators to browse and search their Logbook of the World (LOTW) QSL confirmations on their handheld de... Read more
Hold a mega-station in the palm of your hand. Wherever you are, you can work DX and log it. Operate from our 18 unique stations to snag a new country,... Read more
Tools for HAM-Radio Operators HAM-Toolbox provides a variety of useful Tools to help you operating your HAM-Radio. The Tools are ranging from activity... Read more