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

KN9U

Active

Rosenquist, Matthew A

Location: Butler, PA
Class: Amateur Extra
Granted: 2021-05-04
Expires: 2031-05-04
Previous call: KG4IPM
FRN: 0003807245

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Vanity availability

Held

Currently held

KN9U 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

KG4IPMcancelled· E
Rosenquist, Matthew AFLgranted 2020-05-06cancelled 2021-05-04

Prior holders later became

K3BPcancelled· E
YOUNG, ROBERT BINgranted 2019-03-30cancelled 2019-04-27

License history

0 events

No recorded events.

More vanity slots coming available

From Pennsylvania

All →

KB3HBB 2026-09-10
KB3ZFA 2026-09-10
KB3ZFB 2026-09-10
KC3ZNR 2026-09-10
KC3ZQJ 2026-09-10

Full history → Vanity availability → Callsign genealogy →