Confidence: Medium · Source: FCC ULS · As of 2026-09-09
WP4ASD
ActiveSantiago Diaz, Alfredo
- Location
- Cayey, PR
- Class
- Technician
- Granted
- 2019-08-06
- Expires
- 2029-08-06
- Previous call
- WP4RDW
- FRN
- 0025946542
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Vanity availability
HeldCurrently held
WP4ASD 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
- Santiago Diaz, AlfredoPRgranted 2019-07-15cancelled 2019-08-06
License history
0 eventsNo recorded events.