AI4SP
Active2x2District 4
No competing applications on record.
License HolderWelch, Walter L
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationDuluth, GA
Grant DateMay 9, 2026
Expiration DateJun 19, 2036
AI4SP is a 2x2 format amateur radio callsign. It is currently registered to Welch, Walter L in Duluth, GA. 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: 24 units(Light (fast to send))
Voice Phonetics
Alpha India Four Sierra Papa
Readability: 7/10(Good readability)
License History
- License RenewedMay 9, 2026
- License RenewedJun 7, 2016
- Administrative Update AppliedNov 25, 2014
- Administrative Update AppliedJan 28, 2014
- License IssuedNov 28, 2006
- System-Generated GrantNov 28, 2006
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.