W4SBL
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderSANIBEL EMERGENCY RADIO UNIT
Min. Class RequiredGeneral
LocationSanibel, FL
Grant DateSep 16, 2023
Expiration DateJun 10, 2033
W4SBL is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by SANIBEL EMERGENCY RADIO UNIT in Sanibel, FL. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by SANIBEL EMERGENCY RADIO UNIT on May 21, 2003. W4SBL has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- ... -... .-..
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Whiskey Four Sierra Bravo Lima
Readability: 7.5/10(High readability)
License History
- License RenewedSep 16, 2023
- License RenewedSep 19, 2013
- License ModifiedDec 27, 2006
- License IssuedJun 10, 2003
- Vanity Callsign GrantedJun 10, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- SANIBEL EMERGENCY RADIO UNITFiled May 21, 2003Not awardedFCC ↗