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KD4BLK

Active2x3District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderHerr, Jeff W

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationSacramento, CA

Grant DateJun 23, 2023

Expiration DateJun 23, 2033

KD4BLK is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Herr, Jeff W in Sacramento, CA. 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 BLACK, DARRELL on Jun 5, 2023. KD4BLK has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 38 units(Moderate)

Voice Phonetics

Kilo Delta Four Bravo Lima Kilo

Readability: 7.5/10(High readability)

License History

License ModifiedApr 2, 2024
License IssuedJun 23, 2023
Vanity Callsign GrantedJun 23, 2023
License ExpiredJan 4, 2006

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

BLACK, DARRELLFiled Jun 5, 2023
Not awardedFCC ↗
Ling, Frank CFiled Apr 23, 2020
Not awardedFCC ↗

Search external databases

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Explore nearby callsigns

← KD4BLJ KD4BLL →

FCC data as of Sep 4, 2026

KD4BLK FCC Vanity Status: 2 Competing Applications & History