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

KC3MZR

Cancelled

Rosser, Douglas C

Location: Latrobe, PA
Class: Amateur Extra
Granted: 2019-03-07
Expires: 2029-03-07
FRN: 0028259919

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Vanity availability

Available

Available now

KC3MZR cleared its 2-year hold on 2022-03-17. Eligible for vanity application.

Last held by Rosser, Douglas C (PA).

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

N1KIQactive· E
Rosser, Douglas CPAgranted 2020-03-17

License history

0 events

No recorded events.

More vanity slots coming available

From Pennsylvania

All →

KB3HBB 2026-09-10
KB3ZFA 2026-09-10
KB3ZFB 2026-09-10
KC3ZNR 2026-09-10
KC3ZQJ 2026-09-10

Starting with KC3

All →

KC3ZNR PA · 2026-09-10
KC3ZQJ PA · 2026-09-10
KC3MJH MD · 2026-09-13
KC3WYD PA · 2026-09-13
KC3ZPN MD · 2026-09-13

Full history → Vanity availability → Callsign genealogy →