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KD1AB

Active2x2District 1

Competitive callsign — 2 applications filed with the FCC.

License HolderCHO, YO-YOON

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationSuffolk, VA

Grant DateAug 16, 2019

Expiration DateNov 13, 2029

KD1AB is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by CHO, YO-YOON in Suffolk, VA. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by CHO, YO Y on Sep 28, 1999. KD1AB has 11 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 35 units(Moderate)

Voice Phonetics

Kilo Delta One Alpha Bravo

Readability: 8/10(High readability)

License History

Administrative Update AppliedFeb 8, 2022
License RenewedAug 16, 2019
Administrative Update AppliedApr 30, 2016
Administrative Update AppliedMar 10, 2016
License ModifiedAug 7, 2012
Administrative Update AppliedMar 9, 2012
Administrative Update AppliedMar 7, 2012
Administrative Update AppliedJun 2, 2011
License RenewedSep 26, 2009
License ModifiedNov 15, 2002
License IssuedNov 13, 1999

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

CHO, YO YFiled Sep 28, 1999
Not awardedFCC ↗
DIAZ, ANNA DFiled Sep 28, 1999
Not awardedFCC ↗

Search external databases

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Explore nearby callsigns

← KD1AA KD1AC →

FCC data as of Sep 3, 2026

KD1AB FCC Vanity Status: 2 Competing Applications & History