KE4NBT
Active2x3District 4
No competing applications on record.
License HolderCASTILLO, FRANCISCO G
License ClassTechnician
Min. Class RequiredTechnician
LocationORO VALLEY, AZ
Grant DateMar 14, 2026
Expiration DateMar 14, 2036
KE4NBT is a 2x3 format amateur radio callsign. It is currently registered to CASTILLO, FRANCISCO G in ORO VALLEY, AZ. 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: 28 units(Light (fast to send))
Voice Phonetics
Kilo Echo Four November Bravo Tango
Readability: 7/10(Good readability)
License History
- License RenewedMar 14, 2026
- License RenewedJun 26, 2014
- Administrative Update AppliedApr 13, 2005
- License RenewedJul 9, 2004
- Administrative Update AppliedFeb 12, 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.