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AB1K

Active2x1District 1

Competitive callsign — 5 applications filed with the FCC.

License HolderYu, Byongzoo

License ClassAmateur Extra

Min. Class RequiredAmateur Extra

LocationRoseville, CA

Grant DateMar 24, 2020

Expiration DateMar 24, 2030

AB1K is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Yu, Byongzoo in Roseville, CA. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Wang, Zhaowei on Mar 23, 2020. AB1K has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

.- -... .---- -.-

CW Weight: 30 units(Light (fast to send))

Voice Phonetics

Alpha Bravo One Kilo

Readability: 8.5/10(High readability)

License History

License IssuedMar 24, 2020
Vanity Callsign GrantedMar 24, 2020
License ExpiredMar 6, 2020
Tax ID (TIN) AddedJan 11, 2008
License RenewedJan 11, 2008

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Wang, ZhaoweiFiled Mar 23, 2020
DismissedFCC ↗
Cho, Kyung MinFiled Mar 17, 2020
Not awardedFCC ↗
Branche, Angela PFiled Mar 6, 2020
DismissedFCC ↗
Yu, ByongzooFiled Mar 6, 2020

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

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FCC data as of Sep 3, 2026

Not awarded

Ranelli, James VFiled Jun 28, 2002

Not awardedFCC ↗

AB1K FCC Vanity Status: 5 Competing Applications & History