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

AC9LZ

Active

PATTERSON, STUART T

Location: Madison, WI
Class: Amateur Extra
Granted: 2018-11-06
Expires: 2028-11-06
Previous call: KD9EBB
FRN: 0018186239

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Vanity availability

Held

Currently held

AC9LZ 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

KD9EBBcancelled· E
PATTERSON, STUART TWIgranted 2008-10-15cancelled 2015-07-14
N4UJBcancelled· G
PATTERSON, STUART TWIgranted 2008-10-15cancelled 2015-06-12

License history

0 events

No recorded events.

More vanity slots coming available

From Wisconsin

All →

K9KLF 2026-09-09
KC9CJT 2026-09-09
KD7SPU 2026-09-09
KD9OFI 2026-09-10
KD9ZZQ 2026-09-10

Starting with AC9

All →

AC9VZ WI · 2026-09-28
AC9DG IL · 2026-10-03
AC9DH IN · 2026-10-08
AC9OL WI · 2026-10-16
AC9DT MO · 2026-12-03

Full history → Vanity availability → Callsign genealogy →