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Radio Propagation


Solar X-rays:
Status
Geomagnetic field:
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D-Region Absorption
Prediction:
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Created by PA4RM

The co-inventor of the Computer Bulletin Board System, Randy Suess, ex-WB9GPM, died on December 10. He was 74. According to his obituary in The New York Times, Suess and IBM engineer Ward Christensen collaborated on the system in 1978, during the dial-up era, a year before Compuserve began offering online consumer service. The computer bulletin board was a forerunner of today’s proliferation of...

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