This article is from the Motorsport FAQ, by A H Henry bspahh@midge.bath.ac.uk with numerous contributions by others.
Every day and night, scanner hobbyists are entertained by what they
overhear on their radios. Police cars, fire engines, ambulances,
armoured cars, trains, taxis, airplanes, and buses are all equipped
with radios and you can listen to them. You can monitor the local
sheriff and fire departments to hear about events "as they happen,"
before the news reporters hear about them. Hostage dramas, bank
robberies, car crashes, chemical spills, tornado sightings are all
fair game.
How about listening to a presidential candidate discuss strategy
with his advisor from a 415 MHz radiophone in Air Force 1, or a team
of G-men protect him while transmitting in the 167 MHz range? Take
your scanner to other sporting events and listen to football coaches
in the 151, 154, and 468 MHz ranges. You can even listen to the order
taker's wireless microphone at the local McDonald's restaurant on
154.6 and 35.02 MHz!
 
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