K1FFJ
Active1x3District 1
Competitive callsign — 2 applications filed with the FCC.
License HolderMAULE, JOHN R
License ClassGeneral
Min. Class RequiredGeneral
LocationRIVER FALLS, WI
Grant DateMar 11, 2025
Expiration DateJun 7, 2035
K1FFJ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by MAULE, JOHN R in RIVER FALLS, WI. 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 Jandreau, Francis F on May 20, 2005. K1FFJ has 11 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .---- ..-. ..-. .---
CW Weight: 42 units(Heavy (slower to send))
Voice Phonetics
Kilo One Foxtrot Foxtrot Juliet
Readability: 7.5/10(High readability)
License History
- License RenewedMar 11, 2025
- Administrative Update AppliedJan 8, 2021
- Administrative Update AppliedSep 9, 2017
- Administrative Update AppliedMay 24, 2016
- License ModifiedDec 2, 2015
- Administrative Update AppliedJul 29, 2015
- License RenewedMar 14, 2015
- Administrative Update AppliedApr 9, 2014
- Administrative Update AppliedSep 7, 2013
- License IssuedJun 7, 2005
- Vanity Callsign GrantedJun 7, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.