KB0LSR
Available2x3District 0
Competitive callsign — 1 application filed with the FCC.
License HolderZarzycki, David A
License ClassTechnician
Min. Class RequiredTechnician
LocationCupertino, CA
Grant DateNov 18, 2013
Expiration DateMar 5, 2024
Cancellation DateMar 6, 2026
Available for ApplicationsMar 6, 2026
KB0LSR is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Zarzycki, David A in Cupertino, CA. 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 Gabbert, Pat A on Dec 9, 2010. KB0LSR has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -... ----- .-.. ... .-.
CW Weight: 42 units(Heavy (slower to send))
Voice Phonetics
Kilo Bravo Zero Lima Sierra Romeo
Readability: 6/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredMar 6, 2026
- License RenewedNov 18, 2013
- Tax ID (TIN) AddedNov 19, 2003
- License RenewedNov 19, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Gabbert, Pat AFiled Dec 9, 2010Not awardedFCC ↗