N4OUU
Active1x3District 4
No competing applications on record.
License HolderTOBACK, DAVID S
License ClassGeneral
Min. Class RequiredGeneral
LocationDALLAS, TX
Grant DateMay 9, 2026
Expiration DateJun 12, 2036
N4OUU is a 1x3 format amateur radio callsign. It is currently registered to TOBACK, DAVID S in DALLAS, TX. 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: 30 units(Light (fast to send))
Voice Phonetics
November Four Oscar Uniform Uniform
Readability: 6.5/10(Good readability)
License History
- License RenewedMay 9, 2026
- Administrative Update AppliedApr 4, 2019
- License RenewedMar 15, 2016
- License RenewedApr 20, 2006
- License ModifiedJun 14, 2000
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.