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
KK4IOH
Valid
Michael S Knight
License type
Person
Operator class
General
Grid square
EM45 (the first four characters only)
Granted
04/05/2022
Expires
04/16/2032

FCC License Page QRZ.com Page DMR ID on RadioID

Call Signs on This Site That Start With KK4IOH (6)
Call SignOn this site
KK4IOHSonde receiving station
KK4IOH-1APRS station
KK4IOH-2APRS station
KK4IOH-3APRS station
KK4IOH-9APRS station
KK4IOH2Sonde receiving station

Press a call sign for its license and everything the site knows about it.

Everything We Know About KK4IOH On This Site
APRS stations
KK4IOH-1 digipeater
KK4IOH-2 digipeater
KK4IOH-3 digipeater
KK4IOH-9 mobile
Sonde receiving station
KK4IOH
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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).