Confidence: Medium · Source: FCC ULS · As of 2026-09-10

KJ4MRB

Cancelled

Herring Jr, Donald H

Location: Gainesville, FL
Class: General
Granted: 2009-06-11
Expires: 2019-06-11
FRN: 0018858969

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Vanity availability

Available

Available now

KJ4MRB cleared its 2-year hold on 2012-06-07. Eligible for vanity application.

Last held by Herring Jr, Donald H (FL).

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 →

Prior holders later became

W4DHHactive· G
Herring Jr, Donald HFLgranted 2020-03-13

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

K4CYG 2026-09-10
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KG4VAB 2026-09-10

Starting with KJ4

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KJ4ZTP WA · 2026-09-13
KJ4RVA FL · 2026-10-11
KJ4ZQX SC · 2026-10-29
KJ4AAD GA · 2026-11-05
KJ4RZZ FL · 2026-11-08

Full history → Vanity availability → Callsign genealogy →