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

K4DOG

Cancelled

SANDIFER JR, PRESTON M

Class: Amateur Extra
FRN: 0034343681

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Vanity availability

Unknown

Status unknown

No vanity-slot record on file for K4DOG. Either it has never been issued, is currently held by an active license, or hasn't been re-computed since its last freeing event.

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

KG4ESCcancelled· T
Davis, Bradley LSCgranted 1999-09-24cancelled 2001-09-05

Prior holders later became

K4PPcancelled· E
SANDIFER JR, PRESTON MSCgranted 1999-01-07cancelled 2005-08-30

License history

0 events

No recorded events.

More vanity slots coming available

Starting with K4

All →

K4HCL FL · 2026-09-09
K4CYG FL · 2026-09-10
K4LWW NC · 2026-09-10
K4ONS NC · 2026-09-10
K4YDD FL · 2026-09-10

Full history → Vanity availability → Callsign genealogy →