This article is from the Formula One Motor Racing FAQ, by mitchmcc@ultranet.com (Mitchell McCann) with numerous contributions by others.
Contrary to popular belief, not all teams scramble their
transmissions. The following numbers are based on frequencies
actually monitored at the '97 Australian GP. Further comment,
either additions or confirmation that teams are/are not changing
frequencies at other races, is encouraged.
Schumacher - 451.6125
Irvine - 452.6125
Alesi - 454.275
Salo - 422.025
 
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