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- … that the tuning capacitor of a magnetic loop antenna may see several thousand volts at 100 watts?
- … that moonbounce stations can hear their own echoes return from the moon about 2.5 seconds after they stop transmitting?
- … that a quarter-wave vertical for the 2200-meter band would be about 1,800 feet tall, roughly nine times the height limit?
- … that Ham Radio Outlet began in 1971 with a store its founder called a "little radio emporium on a wooden train platform"?
- … that on 2-meter FM, a horizontal antenna would lose 20 dB or more talking to stations using vertical antennas?
- … that radio noise that appears at sunrise and fades at dusk points straight at a solar power installation? See Radio frequency interference.
