Worldwide Spectrum Allocations

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SteppIR UrbanBeam and SDA 2000 – full review (HF antenna)

November 07, 2018 No comments

SteppIR UrbanBeam “This is a full review of the SteppIR UrbanBeam (multiband HF antenna) with the SDA 2000 controller (OptimizIR). It’s part 3 o... Read more

Alaska’s HAARP Facility Once Again Open for Business

February 14, 2017 No comments

The High Frequency Active Auroral Research Program (HAARP) in Gakona, Alaska, will soon undertake its first scientific research campaigns since the fa... Read more

World’s Largest Crystal Radio K9QD

April 07, 2016 No comments

Crystal Radio constructed with unusually large passive components with the goal of obtaining an extremely high Q. Variable capacitor from a B-1... Read more

New! Acom HF Amplifiers – ACOM A2100 and ACOM A1200S

June 26, 2015 No comments

ACOM A2100 ACOM 1200S Photos : EA7JX Source: CQDX.ru Read more

QRP Pixie – Chinese $7.00 CW Transceiver Kit (40m)

February 09, 2016 No comments

Product Description The Pixie “micro-power Telegraph transceiver kit instructions This is a very small volume of a simple 40 meter band micro-po... Read more

US Amateur Radio Band Plan for Android

May 06, 2015 No comments

US Amateur Radio Band Plan A clean native app that’s sole purpose is to provide amateur radio operators a simple and easy to use f... Read more

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