Free Frequency Allocations
The electromagnetic spectrum is a vital part of our environment. Measures of radio frequency emissions from natural phenomena enable both practical applications, such as weather predictions and studies of the changing of Earth?s climate here at home, and reveal the physical properties of cosmic sources. The spectrum is therefore a resource to be used wisely now and to be protected for future generations.
280 pages | 8 x 11
Edmonton, Alberta & El Centro, California – November 13, 2015 – Alfa Radio, home of the highly regarded AlfaSpid antenna rotator line... Read more
OWL G/T Yagis Beam Antenna are specialized, ‘hot rod’ versions of the already high-performance OWL – Optimised Wideband Low impedan... Read more
ARRL partner RFinder, the creator of a web and app-based directory of Amateur Radio repeaters worldwide, will supply all data for the 2017-2018 ARRL R... Read more
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The International Amateur Radio Union Region 1 (IARU-R1) Monitoring System (IARUMS) newsletter reports a mysterious “foghorn” — a Chinese over-the-hor... Read more