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Template:Did you know/10

From HamWiki
  • … that the first ARRL Field Day was held in 1933?
  • … that LDG Electronics grew out of an automatic antenna tuner kit described in the January 1996 issue of QST?
  • … that because of the skip zone, a station 3,000 miles away can be loud while another only 300 miles away cannot be heard at all?
  • … that the Morse distress signal SOS was chosen for its simple, unmistakable pattern, and its letters don't stand for anything? See Prosigns.
  • … that the United States dropped its Morse code test for all license classes in 2007, yet CW is still one of the most popular modes on the air?
  • … that the federal rule that protects television antennas and small satellite dishes does not cover amateur radio antennas? See Antenna restrictions.