KF4PX
Active2x2District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderPETZOLD, RICHARD J
License ClassAdvanced
Min. Class RequiredGeneral
LocationKNOXVILLE, TN
Grant DateAug 5, 2025
Expiration DateJun 5, 2034
KF4PX is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by PETZOLD, RICHARD J in KNOXVILLE, TN. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Koonce, James C on May 18, 2004. KF4PX has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..-. ....- .--. -..-
CW Weight: 36 units(Moderate)
Voice Phonetics
Kilo Foxtrot Four Papa X-ray
Readability: 8/10(High readability)
License History
- License RenewedAug 5, 2025
- License RenewedMar 22, 2014
- Administrative Update AppliedJun 18, 2013
- Administrative Update AppliedJun 18, 2013
- Administrative Update AppliedAug 2, 2007
- License IssuedJun 5, 2004
- Vanity Callsign GrantedJun 5, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.