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

KB3NTT

Cancelled

Mayo, Johnathan D

Location: Eldersburg, MD
Class: Amateur Extra
Granted: 2006-06-29
Expires: 2016-06-29
FRN: 0015235302

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Vanity availability

Available

Available now

KB3NTT cleared its 2-year hold on 2009-07-25. Eligible for vanity application.

Last held by Mayo, Johnathan 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

AB3FXactive· E
Mayo, Johnathan DFLgranted 2026-04-08

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 KB3

All →

KB3INT MD · 2026-09-09
KB3INX AK · 2026-09-09
KB3QHC PA · 2026-09-09
KB3ZEV VA · 2026-09-09
KB3HBB PA · 2026-09-10

Full history → Vanity availability → Callsign genealogy →