K4ZS
Active1x2District 4
Competitive callsign — 106 applications filed with the FCC.
License HolderWollaeger, David P
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationHenderson, NC
Grant DateJun 4, 2026
Expiration DateJul 29, 2036
K4ZS is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by Wollaeger, David P in Henderson, NC. This callsign has attracted significant interest in the amateur radio community, with 106 vanity applications filed with the FCC. The most recent was submitted by Simmons, Jeffrey B on Aug 22, 2022. K4ZS has 13 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- --.. ...
CW Weight: 25 units(Light (fast to send))
Voice Phonetics
Kilo Four Zulu Sierra
Readability: 8/10(High readability)
License History
- License RenewedJun 4, 2026
- Administrative Update AppliedJul 15, 2025
- License IssuedJul 29, 2016
- Vanity Callsign GrantedJul 29, 2016
- License CanceledJul 8, 2014
- License IssuedApr 11, 2014
- Vanity Callsign GrantedApr 11, 2014
- License CanceledMar 23, 2012
- Vanity Callsign GrantedFeb 17, 2012
- License IssuedFeb 17, 2012
- License ExpiredJan 31, 2012
- Administrative Update Applied
Vanity Application Activity
Competing applications filed with the FCC for this callsign.