N4ISO
Active1x3District 4
No competing applications on record.
License HolderCHARCHO, JOHN T
License ClassTechnician
Min. Class RequiredGeneral
LocationBEN LOMOND, CA
Grant DateJan 8, 2025
Expiration DateAug 20, 2034
N4ISO is a 1x3 format amateur radio callsign. It is currently registered to CHARCHO, JOHN T in BEN LOMOND, CA. 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: 25 units(Light (fast to send))
Voice Phonetics
November Four India Sierra Oscar
Readability: 6.5/10(Good readability)
License History
- License RenewedJan 8, 2025
- License RenewedMay 28, 2014
- FRN Association Letter SentMay 28, 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.