Confidence: Medium · Source: FCC ULS · As of 2026-09-10
W9MJJ
ActiveJohnston, Michael J
- Location
- POTOSI, WI
- Class
- Advanced
- Granted
- 2020-11-24
- Expires
- 2030-11-24
- Previous call
- KB0HLF
- FRN
- 0007198591
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Vanity availability
HeldCurrently held
W9MJJ 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
- Johnston, Michael JWIgranted 2012-05-22cancelled 2020-11-24
License history
0 eventsNo recorded events.