K6EFR
Active1x3District 6
Competitive callsign — 1 application filed with the FCC.
License HolderBlair, James D
License ClassGeneral
Min. Class RequiredGeneral
LocationMartinez, CA
Grant DateNov 26, 2025
Expiration DateDec 22, 2035
K6EFR is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Blair, James D in Martinez, CA. 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 Blair, James D on Dec 4, 2015. K6EFR has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.... . ..-. .-.
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
Kilo Six Echo Foxtrot Romeo
Readability: 7.5/10(High readability)
License History
- License RenewedNov 26, 2025
- Administrative Update AppliedApr 17, 2025
- Administrative Update AppliedFeb 2, 2019
- License IssuedDec 22, 2015
- Vanity Callsign GrantedDec 22, 2015
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Blair, James DFiled Dec 4, 2015Not awardedFCC ↗