Template:Did you know/8
Appearance
- … that in PSK31's Varicode a lowercase "e" is just two bits, and lowercase letters are quicker to send than capitals?
- … that an antenna can be resonant and still show an SWR of 2:1, as one resonant at 25 ohms does? See Antenna analyzer.
- … that the J-pole antenna descends from the Zeppelin antenna, whose matching line was originally trailed below airships?
- … that the Morse club FISTS took its name from the banner of an older CW club, TOPS, which read "Where FISTS Make Friends"?
- … that "You're five nine, please repeat your name and location" is a long-running joke on the ham bands? See Signal reports.
- … that a radio signal circling the earth on the long path takes only about a seventh of a second to get back where it started?