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

KC4YOB

Cancelled

DUMBACHER, PAUL R

Location: HUNTSVILLE, AL
Class: Amateur Extra
Granted: 2001-07-10
Expires: 2011-07-23
FRN: 0003028222

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Vanity availability

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Available now

KC4YOB cleared its 2-year hold on 2005-11-24. Eligible for vanity application.

Last held by DUMBACHER, PAUL R (AL).

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

W4PDactive· E
DUMBACHER, PAUL RALgranted 2023-11-25

License history

0 events

No recorded events.

More vanity slots coming available

From Alabama

All →

KG4SUF 2026-09-10
KQ4TEB 2026-09-10
KQ4UQY 2026-09-10
KQ4UVF 2026-09-10
KZ4KU 2026-09-10

Starting with KC4

All →

KC4GIL NJ · 2026-09-14
KC4HTM SC · 2026-09-20
KC4OYJ FL · 2026-09-21
KC4SWK KY · 2026-09-21
KC4ZGF AL · 2026-09-21

Full history → Vanity availability → Callsign genealogy →