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

AC3WM

Active

Madden, William J

Location: Pittsburgh, PA
Class: Amateur Extra
Granted: 2023-07-28
Expires: 2033-07-28
Previous call: KC3WJM
FRN: 0025091695

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Vanity availability

Held

Currently held

AC3WM 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

KC3WJMcancelled· E
Madden, William JPAgranted 2021-03-23cancelled 2023-07-28
KC3RIAcancelled· G
Madden, William JPAgranted 2021-02-23cancelled 2021-03-23

License history

0 events

No recorded events.

More vanity slots coming available

From Pennsylvania

All →

KB3QHC 2026-09-09
N3NFG 2026-09-09
KB3HBB 2026-09-10
KB3ZFA 2026-09-10
KB3ZFB 2026-09-10

Starting with AC3

All →

AC3KF MD · 2026-09-24
AC3NE MD · 2026-10-26
AC3FS NC · 2026-11-26
AC3NM PA · 2026-12-10
AC3LG DE · 2027-01-11

Full history → Vanity availability → Callsign genealogy →