K4PRB
Active1x3District 4
Competitive callsign — 4 applications filed with the FCC.
License HolderSPERRY, MICHAEL K
License ClassTechnician
Min. Class RequiredGeneral
LocationNORTHGLENN, CO
Grant DateJan 11, 2023
Expiration DateFeb 25, 2033
K4PRB is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by SPERRY, MICHAEL K in NORTHGLENN, CO. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by Cantrell, Jerad T on Nov 24, 2023. K4PRB has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .--. .-. -...
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Four Papa Romeo Bravo
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedMar 20, 2026
- License RenewedJan 11, 2023
- Administrative Update AppliedJan 31, 2017
- License RenewedMar 8, 2013
- License IssuedFeb 25, 2003
- Vanity Callsign GrantedFeb 25, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.