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K4KLB

Cancelled1x3District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderLEVENTHAL, CRAIG L

License ClassGeneral

Min. Class RequiredGeneral

LocationNORTH WALES, PA

Grant DateAug 10, 2024

Cancellation DateDec 9, 2025

Available for ApplicationsDec 10, 2027

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K4KLB

Cancelled1x3District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderLEVENTHAL, CRAIG L

License ClassGeneral

Min. Class RequiredGeneral

LocationNORTH WALES, PA

Grant DateAug 10, 2024

Cancellation DateDec 9, 2025

Available for ApplicationsDec 10, 2027

K4KLB is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by LEVENTHAL, CRAIG L in NORTH WALES, PA. 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 BARLOW, KERRY L on Jul 23, 2024. K4KLB has 15 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 33 units(Moderate)

Voice Phonetics

Kilo Four Kilo Lima Bravo

Readability: 8/10(High readability)

Available Dec 10, 2027 (462 days remaining)

Requires General license or higher to apply for this callsign format (1x3).

License History

License CanceledDec 9, 2025
Vanity Callsign GrantedAug 10, 2024
License IssuedAug 10, 2024
License CanceledAug 25, 2020
License ModifiedJul 13, 2020
Administrative Update AppliedFeb 5, 2019
Administrative Update AppliedJun 21, 2016
License RenewedDec 29, 2015
Administrative Update AppliedApr 5, 2013
Administrative Update AppliedAug 10, 2012
Administrative Update AppliedApr 19, 2012
License Modified

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

BARLOW, KERRY LFiled Jul 23, 2024
Not awardedFCC ↗
Benignus, Jon SFiled Jan 31, 2006
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K4KLA K4KLC →

FCC data as of Sep 3, 2026

May 3, 2007

Vanity Callsign GrantedFeb 18, 2006

License IssuedFeb 18, 2006

License ExpiredApr 14, 2005

K4KLB FCC Vanity Status: 2 Competing Applications & History