Call Signs, Contacts and Talkgroups

Look up a US amateur call sign, find a DMR contact, or see the talkgroups repeaters use, all in one place.
Call Sign LookupDMR ContactsTalkgroups
KO5S
Valid
Craig Warnol
License type
Person
Operator class
Extra
Grid square
EM50 (the first four characters only)
Granted
09/10/2024
Expires
12/06/2034
Previous call sign
KB5UEJ

FCC License Page QRZ.com Page DMR ID on RadioID

Everything We Know About KO5S On This Site
Sonde receiving station
KO5S
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Only the licensee's name, class, status, dates and city and state are shown, never a street address. License data: FCC public records through Callook.info. QRZ.com opens in a new tab (its own terms and any sign-in apply).