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

W4UPD

Active

BRISTOR, WILLIAM R

Location: MELBOURNE, FL
Class: Amateur Extra
Granted: 2022-03-25
Expires: 2032-06-22
Previous call: WA4UPD
FRN: 0007175359

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Vanity availability

Held

Currently held

W4UPD is held by an active license; it isn't a vanity slot right now.

Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).

Callsign genealogy

Full chain →

Previously held by current licensee

WA4UPDcancelled· E
BRISTOR, WILLIAM RFLgranted 1997-07-16cancelled 2002-06-22

License history

0 events

No recorded events.

More vanity slots coming available

From Florida

All →

K4HCL 2026-09-09
KG4UZU 2026-09-09
KG4UZX 2026-09-09
KK4LMR 2026-09-09
W3EFZ 2026-09-09

Starting with W4

All →

W4HKO FL · 2026-09-09
W4IDI AL · 2026-09-10
W4YAU TN · 2026-09-10
W4CVH VA · 2026-09-12
W4QDZ NC · 2026-09-13

Full history → Vanity availability → Callsign genealogy →