K3BUM
Available1x3District 3
Competitive callsign — 1 application filed with the FCC.
License HolderUrban Jr, Walter A
License ClassGeneral
Min. Class RequiredGeneral
LocationREADING, PA
Grant DateJul 22, 2014
Expiration DateAug 13, 2024
Cancellation DateAug 15, 2026
Available for ApplicationsAug 14, 2026
K3BUM is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Urban Jr, Walter A in READING, PA. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Konopinski, Jason M on Jul 1, 2025. K3BUM has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ...-- -... ..- --
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Three Bravo Uniform Mike
Readability: 8/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredAug 15, 2026
- Administrative Update AppliedJan 22, 2021
- Administrative Update AppliedJan 30, 2019
- License RenewedJul 22, 2014
- Administrative Update AppliedJan 20, 2010
- Tax ID (TIN) AddedAug 13, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Konopinski, Jason MFiled Jul 1, 2025DismissedFCC ↗