K4SFJ
Available1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderJACKSON, STANLEY F
License ClassGeneral
Min. Class RequiredGeneral
LocationLAKELAND, FL
Grant DateSep 8, 2006
Expiration DateSep 8, 2016
Cancellation DateSep 11, 2018
Available for ApplicationsSep 9, 2018
K4SFJ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by JACKSON, STANLEY F in LAKELAND, FL. 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 Saunders, Alexander X on Nov 14, 2024. K4SFJ has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- ... ..-. .---
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Four Sierra Foxtrot Juliet
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredSep 11, 2018
- License IssuedSep 8, 2006
- Vanity Callsign GrantedSep 8, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.