K0JAR
Active1x3District 0
Competitive callsign — 2 applications filed with the FCC.
License HolderRolfe, James A
License ClassGeneral
Min. Class RequiredGeneral
LocationSan Diego, CA
Grant DateJun 16, 2021
Expiration DateSep 13, 2031
K0JAR is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Rolfe, James A in San Diego, CA. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Rolfe, James A on Aug 24, 2011. K0JAR has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ----- .--- .- .-.
CW Weight: 41 units(Heavy (slower to send))
Voice Phonetics
Kilo Zero Juliet Alpha Romeo
Readability: 6.5/10(Good readability)
License History
- Administrative Update AppliedJan 7, 2026
- License RenewedJun 16, 2021
- License ModifiedMay 21, 2018
- License IssuedSep 13, 2011
- Vanity Callsign GrantedSep 13, 2011
Vanity Application Activity
Competing applications filed with the FCC for this callsign.