“QRP” is the topic of the new current 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 email@example.com, 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.
Just ahead: “NVIS Propagation.”
Introduction Applications of direction finding While direction finding for navigation purposes (referred to as cooperative direction finding) is becom... Read more
“The Coke Loop is a Small Magnetic Loop Antenna tuned by a trombone-style variable capacitor made with standard soda cans. In Brazil we... Read more
An Intro and Antennas – Nuts and Volts Magazine by H. Ward Silver Read Full Article: Read more
The JK Mid-Tri has been designed for Hams looking for a Mid level, cost effective but high quality Tribander antenna. This Tri-Bander’s... Read more
“Successful Bilateral Transatlantic 144 MHz QSO made ! Between 04 and 05 October 2016 a new record was set. PY1MHZ Marcos received in the city o... Read more
Low Loss Bandpass by Mile Kokotov Basic design of the filter is from RSGB VHF-UHF Manual, but I made some modifications. Both Inductors... Read more
“BridgeCom Systems, Inc is pleased to announce the availability of BCH-270 Handheld Radio for the amateur radio market. The new BCH-270 Handheld... Read more
Whether you are a weak signal operator or a serious contester, the 8406 is the ultimate 6 M amplifier. It handles continuous duty modes like WSJT with... Read more
UNIDEN UBCD3600XLT FEATURES, FUNCTIONS AND SPECIFICATIONS: • Favorites Scan – Allows you to organize your Systems into Favorites Lists. The scanner wi... Read more
Spectrum Dynamic Waterfall Display Multiple Working Modes: Receive Mode, Transmit Mode, TUNE Mode, VFO Mode, SPLIT Mode DSP Digital Signal Processing... Read more
Description TARGETuner Mobile Antenna Management System provides a controller with intelligent automatic controls for the tunable mobile screwd... Read more
Prepare to be astounded at the versatility and broad range of features found in the AOR AR8200 Mark III. Unparalleled frequency coverage, superb sensi... Read more
JT DX JT65 – JT9 – T10 – FT8 – WSPR Guides JTDX_User_Manual_EN_2018_01_08.pdf – (English language by VK7YUM with... Read more
JT-DX Download JTDX means “JT & T modes for DXing”, it is being developed with main focus on the sensitivity and decoding efficiency,... Read more
The wave of software-based digital modes over the past several years has altered the atmosphere of the HF bands. Some suggest the popularity of modes... Read more
“FT8 is the newest weak-signal mode from Joe Taylor, K1JT, and friends. It operates very much like JT65 but is four times faster and more automa... Read more
The ARRL Repeater Directory ® — introduced this week for 2015-2016 — has a newly launched companion app for Apple® iOS® devices. iPhone®, iPad®... Read more
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
Check this new app on Google Play Software Defined Radio. Supports the following hardware: HPSDR Atlas based systems using Metis. HPSDR Hermes... Read more
This software predicts future passes for amateur radio satellites for a specified location and period of time. Basic features: – Calculate passe... Read more
Ray Novak and George Thomas show you how to control the ID-51A with the RS-MS1A Android app. Read more