Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6EFR callsign genealogy
Currently held by Blair, James D
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K6EFR's current licensee, walking backwards.
- Blair, James DCAgranted 2015-09-01cancelled 2015-12-22
Successor callsigns
Callsigns held now by people who previously held K6EFR.
No current licensee on record previously held this callsign.