Confidence: Medium · Source: FCC ULS · As of 2026-09-09
W1MSH
ActiveHolden, Mark S
- Location
- Shelton, CT
- Class
- General
- Granted
- 2022-03-02
- Expires
- 2032-05-30
- Previous call
- KB1SIX
- FRN
- 0018738997
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Vanity availability
HeldCurrently held
W1MSH 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
- Holden, Mark SCTgranted 2009-04-29cancelled 2012-05-30
License history
0 eventsNo recorded events.