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

KB3NJU

Cancelled

Frierson, Robert D

Location: Crofton, MD
Class: Technician
Granted: 2006-04-10
Expires: 2016-04-10
FRN: 0014909519

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Vanity availability

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KB3NJU cleared its 2-year hold on 2008-04-27. Eligible for vanity application.

Last held by Frierson, Robert D (MD).

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

WA3HOOactive· E
Frierson, Robert DNCgranted 2026-04-02

License history

0 events

No recorded events.

More vanity slots coming available

From Maryland

All →

N3JTJ 2026-09-12
KB3ZFH 2026-09-13
KC3MJH 2026-09-13
KC3ZPN 2026-09-13
KB3HRU 2026-09-18

Starting with KB3

All →

KB3HBB PA · 2026-09-10
KB3ZFA PA · 2026-09-10
KB3ZFB PA · 2026-09-10
KB3ZFD PA · 2026-09-11
KB3ZFE PA · 2026-09-13

Full history → Vanity availability → Callsign genealogy →