K4SR
Active1x2District 4
Competitive callsign — 128 applications filed with the FCC.
License HolderLEWIS, BRANDT A
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationLeesburg, FL
Grant DateMar 31, 2017
Expiration DateMar 31, 2027
K4SR is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by LEWIS, BRANDT A in Leesburg, FL. This callsign has attracted significant interest in the amateur radio community, with 128 vanity applications filed with the FCC. The most recent was submitted by Roberts, Stanley A on Apr 21, 2025. K4SR has 10 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- ... .-.
CW Weight: 22 units(Light (fast to send))
Voice Phonetics
Kilo Four Sierra Romeo
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedOct 16, 2024
- Administrative Update AppliedJan 16, 2020
- License IssuedMar 31, 2017
- Vanity Callsign GrantedMar 31, 2017
- License CanceledMar 10, 2015
- Vanity Callsign GrantedFeb 20, 2015
- License IssuedFeb 20, 2015
- Internal Correction AppliedDec 31, 2014
- Internal Correction AppliedDec 31, 2014
- License RenewedOct 18, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.