KC1ZKO
Cancelled2x3District 1
No competing applications on record.
License HolderSchuler, Jacob L
License ClassGeneral
Min. Class RequiredTechnician
LocationCambridge, MA
Grant DateApr 25, 2026
Cancellation DateMay 16, 2026
Available for ApplicationsMay 17, 2028
KC1ZKO is a 2x3 format amateur radio callsign. It is currently registered to Schuler, Jacob L in Cambridge, 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: 52 units(Very heavy)
Voice Phonetics
Kilo Charlie One Zulu Kilo Oscar
Readability: 7.5/10(High readability)
Available May 17, 2028 (620 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledMay 16, 2026
- License ModifiedMay 8, 2026
- System-Generated GrantApr 25, 2026
- License IssuedApr 25, 2026
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.