Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K4SD
CancelledGRANT, DONALD A
- Location
- COLORADO SPRINGS, CO
- Class
- Advanced
- Granted
- 1990-04-03
- Expires
- 2000-04-03
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Vanity availability
UnknownStatus unknown
No vanity-slot record on file for K4SD. Either it has never been issued, is currently held by an active license, or hasn't been re-computed since its last freeing event.
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 →License history
0 eventsNo recorded events.