K3CO
Active1x2District 3
Competitive callsign — 1 application filed with the FCC.
License HolderWaltrop Jr, Frank K
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationChalfont, PA
Grant DateAug 13, 2025
Expiration DateAug 13, 2035
K3CO is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by Waltrop Jr, Frank K in Chalfont, 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 Waltrop Jr, Frank K on Jan 12, 2004. K3CO has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ...-- -.-. ---
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Three Charlie Oscar
Readability: 8.5/10(High readability)
License History
- License RenewedAug 13, 2025
- License RenewedNov 30, 2013
- License IssuedJan 30, 2004
- Vanity Callsign GrantedJan 30, 2004
- License ExpiredDec 18, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Waltrop Jr, Frank KFiled Jan 12, 2004Not awardedFCC ↗