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

AC0YC

Cancelled

HILDEBRANT, MARC S

Location: WEST DENNIS, MA
Class: Amateur Extra
Granted: 2007-04-17
Expires: 2017-07-09
Previous call: KG0SB
FRN: 0008103038

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Vanity availability

Available

Available now

AC0YC cleared its 2-year hold on 2018-04-26. Eligible for vanity application.

Last held by HILDEBRANT, MARC S (MA).

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

KG0SBactive· E
Breznai, Stephen JOHgranted 2026-03-03
AD8PRcancelled· E
Breznai, Stephen JOHgranted 2025-08-15cancelled 2026-03-03

Prior holders later became

AB1ZKactive· E
HILDEBRANT, MARC SMAgranted 2017-04-12

License history

0 events

No recorded events.

More vanity slots coming available

From Massachusetts

All →

K1AFR 2026-09-10
KC1SDV 2026-09-10
W1RLJ 2026-09-10
KB1ITH 2026-09-12
KB1YQO 2026-09-13

Starting with AC0

All →

AC0GJ CO · 2026-10-26
AC0DE WA · 2027-01-17
AC0JC MN · 2027-03-14
AC0HT CO · 2027-12-09
AC0JM CO · 2027-12-12

Full history → Vanity availability → Callsign genealogy →