Confidence: Medium · Source: FCC ULS · As of 2026-09-10
W1SZK
ActiveKalson, Seth Z
- Location
- Fullerton, CA
- Class
- Amateur Extra
- Granted
- 2023-06-10
- Expires
- 2033-08-24
- Previous call
- KI6QNN
- FRN
- 0017717299
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Vanity availability
HeldCurrently held
W1SZK is held by an active license; it isn't a vanity slot right now.
Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).
Callsign genealogy
Full chain →Previously held by current licensee
- Kalson, Seth ZNVgranted 2008-05-20cancelled 2013-08-24
License history
0 eventsNo recorded events.