KC5F
Active2x1District 5
Competitive callsign — 1 application filed with the FCC.
License HolderKeiser, Mark A
License ClassGeneral
Min. Class RequiredAmateur Extra
LocationDarien, IL
Grant DateFeb 8, 2017
Expiration DateApr 30, 2027
KC5F is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Keiser, Mark A in Darien, 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 FARRIS JR, CHARLES O on Nov 3, 2008. KC5F has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.-. ..... ..-.
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
Kilo Charlie Five Foxtrot
Readability: 8.5/10(High readability)
License History
- Administrative Update AppliedJul 15, 2025
- License RenewedFeb 8, 2017
- License RenewedFeb 5, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- FARRIS JR, CHARLES OFiled Nov 3, 2008DismissedFCC ↗