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

KB1MMH

Cancelled

Costa, DAn

Location: Cambridge, MA
Class: Technician
Granted: 2005-06-24
Expires: 2015-06-24
FRN: 0007753866

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Vanity availability

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KB1MMH cleared its 2-year hold on 2007-07-16. Eligible for vanity application.

Last held by Costa, DAn (MA).

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

W1DBCactive· G
Costa, DanMAgranted 2025-06-24

License history

0 events

No recorded events.

More vanity slots coming available

From Massachusetts

All →

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KB1ITH 2026-09-12
KB1YQO 2026-09-13

Starting with KB1

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KB1ICB ME · 2026-09-10
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KB1YQC NH · 2026-09-10
KB1YQD NH · 2026-09-10
KB1HYE FL · 2026-09-12

Full history → Vanity availability → Callsign genealogy →