KO1U
Active2x1District 1
Competitive callsign — 7 applications filed with the FCC.
License HolderBurgess, Mark A
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationHaverhill, MA
Grant DateAug 8, 2023
Expiration DateAug 8, 2033
KO1U is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Burgess, Mark A in Haverhill, MA. This callsign has attracted significant interest in the amateur radio community, with 7 vanity applications filed with the FCC. The most recent was submitted by COLLINS, MICHAEL F on May 25, 2016. KO1U has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --- .---- ..-
CW Weight: 34 units(Moderate)
Voice Phonetics
Kilo Oscar One Uniform
Readability: 8/10(High readability)
License History
- License RenewedAug 8, 2023
- License RenewedJul 11, 2013
- License IssuedAug 2, 2003
- Vanity Callsign GrantedAug 2, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.