Confidence: Medium · Source: FCC ULS · As of 2026-09-09
WD4DDY
ActiveMrosko, Mathew G
- Location
- Oceanside, CA
- Class
- General
- Granted
- 2020-01-24
- Expires
- 2030-04-20
- Previous call
- KJ6FZA
- FRN
- 0019618651
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Vanity availability
HeldCurrently held
WD4DDY 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
- Mrosko, Mathew GCAgranted 2010-03-09cancelled 2010-04-20
License history
0 eventsNo recorded events.