K1MFJ
Active1x3District 1
Competitive callsign — 1 application filed with the FCC.
License HolderKrozel, Frank
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationWheaton, IL
Grant DateMay 14, 2025
Expiration DateJul 24, 2035
K1MFJ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Krozel, Frank in Wheaton, IL. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Joyce, Michael F on Jul 6, 2015. K1MFJ has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .---- -- ..-. .---
CW Weight: 42 units(Heavy (slower to send))
Voice Phonetics
Kilo One Mike Foxtrot Juliet
Readability: 8/10(High readability)
License History
- License RenewedMay 14, 2025
- License ModifiedJun 17, 2016
- License IssuedJul 24, 2015
- Vanity Callsign GrantedJul 24, 2015
- License ExpiredNov 25, 2010
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Joyce, Michael FFiled Jul 6, 2015Not awardedFCC ↗