KB1LSF
Expired2x3District 1
No competing applications on record.
License HolderSchindler, John K
License ClassTechnician
Min. Class RequiredTechnician
LocationChelmsford, MA
Grant DateAug 6, 2014
Expiration DateOct 19, 2024
Available for ApplicationsOct 20, 2026
KB1LSF is a 2x3 format amateur radio callsign. It is currently registered to Schindler, John K in Chelmsford, MA. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.
CW & Voice Analysis
Morse Code
-.- -... .---- .-.. ... ..-.
CW Weight: 41 units(Heavy (slower to send))
Voice Phonetics
Kilo Bravo One Lima Sierra Foxtrot
Readability: 7/10(Good readability)
Available Oct 20, 2026 (102 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License RenewedAug 6, 2014
- Administrative Update AppliedOct 21, 2004
- License IssuedOct 19, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications on record. Verify on the FCC ULS application search before filing.