K4ZKS
Expired1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderCROATMAN JR, CHARLES L
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationBradenton, FL
Grant DateSep 18, 2014
Expiration DateNov 23, 2024
Available for ApplicationsNov 24, 2026
K4ZKS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by CROATMAN JR, CHARLES L in Bradenton, 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 CROATMAN JR, CHARLES L on Nov 3, 2004. K4ZKS has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- --.. -.- ...
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Four Zulu Kilo Sierra
Readability: 7.5/10(High readability)
Available Nov 24, 2026 (81 days remaining)
Requires General license or higher to apply for this callsign format (1x3).
License History
- Administrative Update AppliedJun 12, 2019
- License RenewedSep 18, 2014
- License ModifiedJun 18, 2014
- Administrative Update AppliedOct 28, 2005
- License IssuedNov 23, 2004
- Vanity Callsign GrantedNov 23, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.