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
KD5NDU
Valid
David L Avant
License type
Person
Operator class
Extra
Grid square
EM54 (the first four characters only)
Granted
11/23/2020
Expires
02/14/2031

FCC License Page QRZ.com Page DMR ID on RadioID

Call Signs on This Site That Start With KD5NDU (3)
Call SignOn this site
KD5NDUAPRS station Sonde receiving station
KD5NDU-15APRS station
KD5NDU-7APRS station

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

Everything We Know About KD5NDU On This Site
APRS stations
KD5NDU-7 mobile
KD5NDU fixed
KD5NDU-15 repeater
Sonde receiving station
KD5NDU-15
Sign in to also see DMR IDs from the contact list.

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).