W7OS
Active1x2District 7
Competitive callsign — 4 applications filed with the FCC.
License HolderKRAMER, GREGORY H
License ClassTechnician
Min. Class RequiredAmateur Extra
LocationCAMARILLO, CA
Grant DateSep 2, 2016
Expiration DateNov 4, 2026
W7OS is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by KRAMER, GREGORY H in CAMARILLO, CA. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by HOLTKAMP, KENNETH W on Sep 13, 1999. W7OS has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- --... --- ...
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
Whiskey Seven Oscar Sierra
Readability: 7.5/10(High readability)
License History
- License ModifiedDec 16, 2025
- Administrative Update AppliedDec 19, 2017
- License RenewedSep 2, 2016
- License RenewedOct 14, 2006
- Administrative Update AppliedMay 12, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.