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

KC9H

Active

WIERSEMA, JOHN

Location: DEERFIELD, IL
Class: Amateur Extra
Granted: 2017-06-10
Expires: 2027-06-10
Previous call: K9WXE
FRN: 0024432213

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Vanity availability

Held

Currently held

KC9H 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

K9WXEcancelled· E
WIERSEMA, JOHNILgranted 2015-06-19cancelled 2017-06-10
KD9DJAcancelled· T
WIERSEMA, JOHN TILgranted 2015-03-30cancelled 2015-06-19

License history

0 events

No recorded events.

More vanity slots coming available

From Illinois

All →

K9CYV 2026-09-10
KC9WOC 2026-09-10
KD9YXS 2026-09-10
KE9BGG 2026-09-10
KC9CJI 2026-09-11

Starting with KC9

All →

KC9CKD IN · 2026-09-10
KC9WOC IL · 2026-09-10
KC9CJI IL · 2026-09-11
KC9WOD IL · 2026-09-11
KC9WOF IL · 2026-09-11

Full history → Vanity availability → Callsign genealogy →