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

AC9SO

Cancelled

Siegler, David W

Location: New Berlin, WI
Class: Amateur Extra
Granted: 2018-01-08
Expires: 2028-01-08
Previous call: KD9JYH
FRN: 0027128941

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Vanity availability

Available

Available now

AC9SO cleared its 2-year hold on 2020-06-11. Eligible for vanity application.

Last held by Siegler, David W (WI).

Confidence: High

Cancelled licenses begin the 2-year hold immediately, so this date is the firm release date per §97.19. Already past — fileable subject to FCC verification.

Callsign genealogy

Full chain →

Previously held by current licensee

KD9JYHcancelled· E
Siegler, David WWIgranted 2018-01-08cancelled 2018-04-02

Prior holders later became

NE9Nactive· E
Siegler, David WWIgranted 2018-06-12

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 →