K1BOS
Active1x3District 1
Competitive callsign — 4 applications filed with the FCC.
License HolderMullaney, John O
License ClassTechnician
Min. Class RequiredGeneral
LocationNewton, MA
Grant DateJan 31, 2017
Expiration DateApr 24, 2027
K1BOS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Mullaney, John O in Newton, MA. 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 Pereira, Jason on Jul 15, 2025. K1BOS has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .---- -... --- ...
CW Weight: 38 units(Moderate)
Voice Phonetics
Kilo One Bravo Oscar Sierra
Readability: 7.5/10(High readability)
License History
- License RenewedJan 31, 2017
- License IssuedApr 24, 2007
- Vanity Callsign GrantedApr 24, 2007
- License ExpiredOct 12, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.