KC8ZSU
Active2x3District 8
Competitive callsign — 1 application filed with the FCC.
License HolderHildreth, Robert S
License ClassGeneral
Min. Class RequiredTechnician
LocationMuskegon, MI
Grant DateApr 4, 2023
Expiration DateApr 4, 2033
KC8ZSU is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Hildreth, Robert S in Muskegon, MI. 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 Hildreth, Robert S on Mar 16, 2023. KC8ZSU has 10 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.-. ---.. --.. ... ..-
CW Weight: 42 units(Heavy (slower to send))
Voice Phonetics
Kilo Charlie Eight Zulu Sierra Uniform
Readability: 6.5/10(Good readability)
License History
- Administrative Update AppliedJul 1, 2026
- License ModifiedMay 17, 2023
- License IssuedApr 4, 2023
- Vanity Callsign GrantedApr 4, 2023
- License CanceledJul 3, 2015
- Administrative Update AppliedJun 16, 2015
- License RenewedMar 7, 2015
- Administrative Update AppliedFeb 15, 2011
- Administrative Update AppliedApr 8, 2008
- License IssuedMay 13, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Hildreth, Robert SFiled Mar 16, 2023Not awardedFCC ↗