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

KO7T

Active

Rollison, William J

Location: Renton, WA
Class: Amateur Extra
Granted: 2024-08-23
Expires: 2034-08-23
Previous call: WA7WJR
FRN: 0020463808

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Vanity availability

Held

Currently held

KO7T 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

WA7WJRcancelled· E
Rollison, William JWAgranted 2016-10-22cancelled 2024-08-23
KI7HHZcancelled· T
Rollison, William JWAgranted 2016-10-03cancelled 2016-10-22

License history

0 events

No recorded events.

More vanity slots coming available

From Washington

All →

KD7SPS 2026-09-09
KJ7SVP 2026-09-10
KK7SYB 2026-09-10
KK7UYR 2026-09-10
KK7UYZ 2026-09-10

Starting with KO7

All →

KO7HAM WA · 2028-04-03
KO7WDC AZ · 2028-07-10

Full history → Vanity availability → Callsign genealogy →