Reviewing the WSPRlite transmitter by SOTABeams. Includes a description, demonstration and a look inside. In conjunction with the DXplorer website it forms a system useful for testing propagation and antennas.
SOTABeams: http://www.sotabeams.co.uk/
DXplorer: http://dxplorer.net/
WSPR website: http://dev.wsprnet.org/drupal/
Time calibration: https://time.is/
Antenna
HF PORTABLE – CHOOSING THE RIGHT ANTENNA
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Rotatable 160 Meter Receiving Loop – WB6RSE Wins July QST Cover Plaque Award
The winner of the July 2015 QST Cover Plaque award is Steve Lawrence, WB6RSE, for his article “Rebuilding a Receiving Flag Antenna for 160 Meters.” Th... Read more
How to install a Horizontal Waller Flag antenna at 150 foot
The Horizontal Waller Flag antenna is a produced and sold by Carlos N4IS http://top-beam.com/ The boom on this one is 44 feet long. Interlaced... Read more
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An Isotron Antenna Solves Virtually Any Restricted Space Problem – For example, a 40 Meter Isotron measures only 22 inches x 16 inches x 15 inch... Read more
VHF
Digital Mobile Radio Hotspots May Be Interfering with Satellite Uplinks, AMSAT Reports
This week, AMSAT News Service (ANS) cited an August 27 report from AMSAT Vice President-Operations Drew Glasbrenner, KO4MA, saying that a digital mobi... Read more
How to Extend Radio Range Without Adding a Repeater?
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TH-D74 VHF/UHF Dual Band Handheld with GPS Webnair
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2017 BaoFeng DMR Upgraded Version! BaoFeng DM-5R PLUS Dual Band DMR Digital Radio 2000mAH
BaoFeng DM-5R PLUS Transceiver Compatible with Motorola VHF/UHF 136-174/400-480Mhz 2000mAH High Capacity Battery High Power/Low power Repeater Mode Ti... Read more
News
Radio Save Lives Again! After dam break in Mariana
After dam break in Mariana, woman receives message by radio communicator which was installed in the car of his boss and saved dozens of lives. It was... Read more
Radio Amateurs in India Support Emergency Communication during Cyclone Vayu
At the request of authorities in India’s Gujarat Province, Rajesh Vagadia, VU2EXP, and his niece Shyama Vagadia, VU3WHG, deployed on June 12 to Porban... Read more
Amateur radio provides critical communications when all else fails
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ARISS Cross-Band Repeater Not Available for General Communication
The cross-band FM voice repeater aboard the International Space Station has not officially been activated for general amateur use, although some stati... Read more
An Introduction to the AMSAT GOLF Program
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App - Mobile
My LoTW – Free app for iOS and Android
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SmartSDR for iOS v2.1.0 Now Available
FlexRadio Systems announces the release of SmartSDR for iOS v2.1.0 is now available for download or update from the Apple App Store. This App requires... Read more
Android APP – Morse Trainer for Ham Radio
Learn or improve Morse code with Morse Trainer. Now with Farnsworth speed and Koch method. If you are a ham radio (amateur radio) operator or just wan... Read more
What is Echolink? Ham Radio 2.0: Episode 56
Mark Goodrum, W5MHG, discusses Echolink for Ham Radio at the Duke City Hamfest Read more
RS-MS1A – Remote Control Android App
Ray Novak and George Thomas show you how to control the ID-51A with the RS-MS1A Android app. Read more
