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

AC3KF

Cancelled

STEINGRUBE, AUSTIN S

Location: GREAT MILLS, MD
Class: Amateur Extra
Granted: 2019-06-27
Expires: 2029-06-27
Previous call: KC3NSE
FRN: 0028580447

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Vanity availability

15d

Available on 2026-09-24

AC3KF cancelled on 2024-09-24. Hold ends in 15 days.

Last held by STEINGRUBE, AUSTIN S (MD).

Confidence: High

Cancelled licenses begin the 2-year hold immediately on the cancellation date, so this is the firm release date per §97.19.

Callsign genealogy

Previously held by current licensee

KC3NSEcancelled· E
STEINGRUBE, AUSTIN SMDgranted 2019-06-27cancelled 2023-06-26

Prior holders later became

N4SPRactive· E
STEINGRUBE, AUSTIN SMDgranted 2024-09-24

License history

0 events

No recorded events.

More vanity slots coming available

From Maryland

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

Starting with AC3

AC3NE MD · 2026-10-26
AC3FS NC · 2026-11-26
AC3NM PA · 2026-12-10
AC3LG DE · 2027-01-11
AC3NF PA · 2027-01-22

Full history → Vanity availability → Callsign genealogy →