Jump to content
- … that the Straight Key Century Club has a Marathon award for 100 contacts lasting an hour each?
- … that APRS grew out of a map program written in 1982 on an Apple II computer to plot the positions of US Navy ships?
- … that the amateur satellite AO-7, launched in 1974, fell silent in 1981 and came back to life in 2002?
- … that the full-wave horizontal loop antenna is often called the "loop skywire", after a 1985 QST article by Dave Fischer, W0MHS?
- … that on a panadapter, a row of evenly spaced signals across the band is a classic sign of a noisy switching power supply?
- … that a 100-watt transmitter may be heard at S9 with about 50 trillionths of a watt reaching the far receiver, a ratio of 123 dB?
