K4MTF
Active1x3District 4
Competitive callsign — 6 applications filed with the FCC.
License HolderJohnson, Jerome C
License ClassTechnician
Min. Class RequiredGeneral
LocationNewville, PA
Grant DateJan 21, 2026
Expiration DateFeb 20, 2036
K4MTF is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Johnson, Jerome C in Newville, PA. 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 FAULKNER JR, MICHAEL T on Feb 2, 2016. K4MTF has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -- - ..-.
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Kilo Four Mike Tango Foxtrot
Readability: 8.5/10(High readability)
License History
- License RenewedJan 21, 2026
- Administrative Update AppliedMay 28, 2025
- License IssuedFeb 20, 2016
- Vanity Callsign GrantedFeb 20, 2016
- Internal Correction AppliedJun 20, 2005
- Internal Correction AppliedJun 20, 2005
- License IssuedFeb 18, 2005
- Vanity Callsign GrantedFeb 18, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.