Confidence: Medium · Source: FCC ULS · As of 2026-09-10
W7OH
ActiveCallahan, Daniel G
- Location
- Seattle, WA
- Class
- Amateur Extra
- Granted
- 2023-11-04
- Expires
- 2034-01-30
- Previous call
- N7JLT
- FRN
- 0009739590
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Vanity availability
HeldCurrently held
W7OH 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
- Callahan, Daniel GWAgranted 1997-05-12cancelled 2004-01-30
License history
0 eventsNo recorded events.