Confidence: Medium · Source: FCC ULS · As of 2026-09-09
W6SFB
ActiveJohnson, Michael T
- Location
- San Pablo, CA
- Class
- General
- Granted
- 2016-07-26
- Expires
- 2026-07-26
- Previous call
- KI6CFB
- FRN
- 0014599104
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Vanity availability
HeldCurrently held
W6SFB 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
- Johnson, Michael TCAgranted 2006-01-27cancelled 2006-02-25
License history
0 eventsNo recorded events.