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

KW4SW

Active

Bolton, Timothy J

Location: Crossville, AL
Class: Amateur Extra
Granted: 2022-09-13
Expires: 2032-09-13
Previous call: KK4AND
FRN: 0020607669

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Vanity availability

Held

Currently held

KW4SW 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

KK4ANDcancelled· E
Bolton, Timothy JALgranted 2020-12-07cancelled 2022-09-13

Prior holders later became

W4AWEactive· E
Donegan, John ATNgranted 2026-04-17

License history

0 events

No recorded events.

More vanity slots coming available

From Alabama

All →

KQ4UUE 2026-09-09
KG4SUF 2026-09-10
KQ4TEB 2026-09-10
KQ4UQY 2026-09-10
KQ4UVF 2026-09-10

Starting with KW4

All →

KW4PI SC · 2026-09-21
KW4JAM NC · 2026-10-18
KW4JO FL · 2027-02-08
KW4XC FL · 2027-02-08
KW4GIN TN · 2027-02-19

Full history → Vanity availability → Callsign genealogy →