K0RSO
Active1x3District 0
No competing applications on record.
License HolderSCHAEFER, DONALD L
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationPhoenix, AZ
Grant DateJul 5, 2025
Expiration DateSep 21, 2035
K0RSO is a 1x3 format amateur radio callsign. It is currently registered to SCHAEFER, DONALD L in Phoenix, 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: 39 units(Moderate)
Voice Phonetics
Kilo Zero Romeo Sierra Oscar
Readability: 6.5/10(Good readability)
License History
- License RenewedJul 5, 2025
- Administrative Update AppliedAug 18, 2020
- License RenewedJun 30, 2015
- Administrative Update AppliedJan 29, 2014
- Administrative Update AppliedFeb 3, 2010
- Administrative Update AppliedAug 8, 2006
- License RenewedSep 21, 2005
- FRN Association Letter SentSep 21, 2005
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.