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
K4DDI
Valid
Javier Mendez
License type
Person
Operator class
Extra
Grid square
EL95 (the first four characters only)
Granted
06/24/2022
Expires
06/24/2032
Previous call sign
KQ4AZC

FCC License Page QRZ.com Page DMR ID on RadioID

Everything We Know About K4DDI On This Site
Sonde receiving station
K4DDI
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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).