KC3CAT
Active2x3District 3
Competitive callsign — 1 application filed with the FCC.
License HolderMUELLER JR, JOHN W
License ClassGeneral
Min. Class RequiredTechnician
LocationHATBORO, PA
Grant DateDec 9, 2025
Expiration DateFeb 6, 2034
KC3CAT is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by MUELLER JR, JOHN W in HATBORO, 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 WILLIAMS, BRIAN E on Sep 23, 2005. KC3CAT has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.-. ...-- -.-. .- -
CW Weight: 39 units(Moderate)
Voice Phonetics
Kilo Charlie Three Charlie Alpha Tango
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedDec 11, 2025
- License RenewedDec 9, 2025
- License ModifiedNov 3, 2016
- System-Generated GrantFeb 6, 2014
- License IssuedFeb 6, 2014
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- WILLIAMS, BRIAN EFiled Sep 23, 2005Not awardedFCC ↗