Confidence: Medium · Source: FCC ULS · As of 2026-09-09

KN9S

Cancelled

AMBROSE, DONN M

Class: Amateur Extra

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Vanity availability

Unknown

Status unknown

No vanity-slot record on file for KN9S. 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 →

Previously held by current licensee

KA9CCAcancelled· E
Schrishuhn, Kenneth LILgranted 1999-03-31cancelled 2003-01-25

Prior holders later became

K9DAactive· E
AMBROSE, DONN MWIgranted 2019-05-24

License history

0 events

No recorded events.

Full history → Vanity availability → Callsign genealogy →