K4SLB
Active1x3District 4
Competitive callsign — 10 applications filed with the FCC.
License HolderKUMARI, WARREN K
License ClassTechnician
Min. Class RequiredGeneral
LocationDulles, VA
Grant DateAug 1, 2017
Expiration DateAug 1, 2027
K4SLB is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by KUMARI, WARREN K in Dulles, VA. This callsign has attracted significant interest in the amateur radio community, with 10 vanity applications filed with the FCC. The most recent was submitted by Brown Jr, Gerald L on Apr 17, 2024. K4SLB has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- ... .-.. -...
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Kilo Four Sierra Lima Bravo
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedAug 2, 2017
- License IssuedAug 1, 2017
- Vanity Callsign GrantedAug 1, 2017
- License CanceledJun 8, 2012
- License ModifiedDec 21, 2011
- License ModifiedApr 7, 2008
- License IssuedJun 8, 2004
- Vanity Callsign GrantedJun 8, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.