“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 firstname.lastname@example.org, and the Doctor may answer them in a future podcast.
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Just ahead: “NVIS Propagation.”
MonoBeam The mb16 10/15/20 is an antenna for 14 MHz, 21 MHz and 28 MHz. No traps or inpedance adapting system is used, the feeding is direct with a s... Read more
Diamond Antenna SG2000: 144MHz(2m) Length:1.59m / Weight:400g Gain:5.2dB / Max.power rating:150W / Impedance:50ohms VSWR:Less than 1.5:1 / Conn... Read more
Introduction Applications of direction finding While direction finding for navigation purposes (referred to as cooperative direction finding) is becom... Read more
Dual-band antenna Horizontal or vertical polarization Specifications: Band 144-146Mhz Gain: 8dBd F / B> 24dB Band 430-440Mhz G... Read more
The first — and so far only — beacon on 60 MHz went on the air on December 16. The call sign is EI1KNH. In early 2018, the 60 MHz (5-meter) band was a... Read more
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
HYS TC-MAUV11 Product Detail Basic Info Model NO.: TC-MAUV11 Type: Vehicle Mouted Function: Mobile Radio Place of Origin: Fujian, China (Mainland) Bra... Read more
Midland Radio has been a show participant at the Consumer Electronics Show for several decades. Long an industry leader in two-way radio technology in... Read more
ACOM 1500HF Easy to operate The TRI is a powerful tuning aid that, together with the automatically controlled input attenuator, helps the operator to... Read more
The world’s most compact, lightweight, expandable, and modular solar system See More:Link Read more
To commemorate our 3rd anniversary, special event stations will be on air during the FT8DMC Activity Days from 1. to 31. July 2020. All stations will... Read more
In a post to the WSJT-X email group today, Joe Taylor K1JT hinted at some ongoing experimentation of a new digital mode with sub-modes. His post was a... Read more
WWSA GACW I – Dates Second weekend of June of every year. From Saturday 15.00 UTC until Sunday 15.00 UTC. 24 hours period. II – Goal To co... 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
AmsatDroidFree satellite tracking App for Android devices is now open source. This App predicts future passes for amateur radio satellites for a speci... Read more