KN4O
Active2x1District 4
Competitive callsign — 6 applications filed with the FCC.
License HolderPletcher, Christopher A
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationSan Antonio, TX
Grant DateMar 19, 2024
Expiration DateApr 30, 2034
KN4O is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Pletcher, Christopher A in San Antonio, TX. This callsign has attracted significant interest in the amateur radio community, with 6 vanity applications filed with the FCC. The most recent was submitted by Bradley Jr, William T on Apr 15, 2004. KN4O has 15 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -. ....- ---
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
Kilo November Four Oscar
Readability: 8/10(High readability)
License History
- Administrative Update AppliedNov 22, 2025
- Administrative Update AppliedOct 10, 2024
- License RenewedMar 19, 2024
- Administrative Update AppliedJun 21, 2019
- Administrative Update AppliedSep 18, 2014
- License RenewedApr 29, 2014
- Administrative Update AppliedDec 18, 2012
- Administrative Update AppliedJun 20, 2012
- Administrative Update AppliedFeb 16, 2012
- Administrative Update AppliedNov 24, 2009
- Administrative Update AppliedOct 20, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.