K0OLD
Active1x3District 0
Competitive callsign — 5 applications filed with the FCC.
License HolderUmbenhower, Brian J
License ClassGeneral
Min. Class RequiredGeneral
LocationNIxa, MO
Grant DateDec 28, 2018
Expiration DateMar 24, 2029
K0OLD is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Umbenhower, Brian J in NIxa, MO. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Woock, Charles on Feb 6, 2026. K0OLD has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ----- --- .-.. -..
CW Weight: 42 units(Heavy (slower to send))
Voice Phonetics
Kilo Zero Oscar Lima Delta
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedSep 7, 2023
- Administrative Update AppliedAug 4, 2021
- License RenewedDec 28, 2018
- Administrative Update AppliedJul 10, 2018
- Administrative Update AppliedJun 13, 2018
- Administrative Update AppliedJan 11, 2011
- License IssuedMar 24, 2009
- Vanity Callsign GrantedMar 24, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.