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

AB1K

Active

Yu, Byongzoo

Location: Roseville, CA
Class: Amateur Extra
Granted: 2020-03-24
Expires: 2030-03-24
Previous call: AF6K
FRN: 0028437275

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Vanity availability

Held

Currently held

AB1K 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

AF6Kactive· E
Wesley, Fred PCAgranted 2022-04-12
KF6MKcancelled· E
Wesley, Fred PCAgranted 2018-04-25cancelled 2022-04-12

License history

0 events

No recorded events.

More vanity slots coming available

From California

All →

AC2TX 2026-09-10
K6DJM 2026-09-10
KC6JGS 2026-09-10
KC6KGL 2026-09-10
KC6VEU 2026-09-10

Starting with AB1

All →

AB1OV ME · 2027-01-17
AB1SW KY · 2027-01-29
AB1SY MN · 2027-01-29
AB1SZ MN · 2027-01-29
AB1SQ MA · 2027-01-31

Full history → Vanity availability → Callsign genealogy →