My 1965 vintage UHF T-power book says that there are 26 tones from 82.5 to
192.8, but doesn't show a list.
I don't have a twin Vee book or anything earlier, sorry.
Best regards, W1EL
Eric Lowell
Eastern Maine Electronics Inc.
48 Loon Road
Wesley ME 04686
eme@starband.net
Actually it was developed for the military in the 1940's if you do a
search on Motorola and Fred Link gear for the military I think you will
find the first lists of PL or CTCSS tones used-I use to have the
references but have long since purged them from my system-PTT was
invented in the 1930's, is
Hi Mike,
I would say Neil Mckie WA6KLA should help you out with any OLD Motorola
manual that they have ever printed since 1948. But he has been locked up for
several years and all of his stuff he gave away.
Mike Mullarkey K7PFJ
From: Repeater-Builder@yahoogroups.com
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