K0JSW
Active1x3District 0
Competitive callsign — 1 application filed with the FCC.
License HolderWelch III, James S
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationGreeley, CO
Grant DateDec 6, 2019
Expiration DateDec 29, 2029
K0JSW is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Welch III, James S in Greeley, CO. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Welch III, James S on Dec 11, 2009. K0JSW has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ----- .--- ... .--
CW Weight: 42 units(Heavy (slower to send))
Voice Phonetics
Kilo Zero Juliet Sierra Whiskey
Readability: 6.5/10(Good readability)
License History
- Administrative Update AppliedFeb 18, 2026
- License RenewedDec 6, 2019
- Administrative Update AppliedJul 17, 2014
- License ModifiedMay 7, 2010
- License IssuedDec 29, 2009
- Vanity Callsign GrantedDec 29, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Welch III, James SFiled Dec 11, 2009Not awardedFCC ↗