AD0DU
Available2x2District 0
No competing applications on record.
License HolderSchafer, Scott R
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationBoulder, CO
Grant DateApr 29, 2013
Expiration DateApr 29, 2023
Cancellation DateApr 30, 2025
Available for ApplicationsApr 30, 2025
AD0DU is a 2x2 format amateur radio callsign. It is currently registered to Schafer, Scott R in Boulder, CO. 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: 34 units(Moderate)
Voice Phonetics
Alpha Delta Zero Delta Uniform
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredApr 30, 2025
- System-Generated GrantApr 29, 2013
- License IssuedApr 29, 2013
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.