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

AC3JO

Active

Sharp, Charles

Location: PIKESVILLE, MD
Class: Amateur Extra
Granted: 2022-10-29
Expires: 2032-10-29
Previous call: K3CHK
FRN: 0032885022

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Vanity availability

Held

Currently held

AC3JO 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

K3CHKcancelled· E
Sharp, CharlesMDgranted 2022-10-29cancelled 2022-12-05
KC3UVAcancelled· G
Sharp, CharlesMDgranted 2022-09-20cancelled 2022-10-29

License history

0 events

No recorded events.

More vanity slots coming available

From Maryland

All →

KB3INT 2026-09-09
KC3ZRU 2026-09-09
N3BYL 2026-09-09
N3JTJ 2026-09-12
KB3ZFH 2026-09-13

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 →