Confidence: Medium · Source: FCC ULS · As of 2026-09-09
AB1MS
ActiveMartyszczyk, William J
- Location
- Plantsville, CT
- Class
- Amateur Extra
- Granted
- 2016-12-02
- Expires
- 2026-12-12
- Previous call
- KB1OGH
- FRN
- 0015839244
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Vanity availability
HeldCurrently held
AB1MS 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
- Martyszczyk, William JCTgranted 2006-12-12cancelled 2010-05-24
License history
0 eventsNo recorded events.