Confidence: Medium · Source: FCC ULS · As of 2026-09-11

W3UFN

Cancelled

BUTLER, DAVID M

Location: Fort Collins, CO
Class: General
Granted: 1996-07-18
Expires: 2006-07-18
Previous call: W4PFY
FRN: 0012194932

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Vanity availability

Available

Available now

W3UFN cleared its 2-year hold on 2006-12-21. Eligible for vanity application.

Last held by BUTLER, DAVID M (CO).

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 →

Previously held by current licensee

W4PFY
no FCC ULS record on file

Prior holders later became

W0UFNactive· G
BUTLER, DAVID MCOgranted 2024-11-01

License history

0 events

No recorded events.

More vanity slots coming available

From Colorado

All →

KD0TCK 2026-09-13
KD0TCN 2026-09-13
KF0RLS 2026-09-13
KF0INO 2026-09-14
KC0OBZ 2026-09-16

Starting with W3

All →

W3AHR PA · 2026-09-20
W3YMB PA · 2026-09-21
W3TAL MD · 2026-09-28
W3EOP PA · 2026-10-07
W3ACC MD · 2026-10-09

Full history → Vanity availability → Callsign genealogy →