Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7EFB callsign genealogy
Currently held by BARTLETT, ELLEN F
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 K7EFB's current licensee, walking backwards.
- BARTLETT, ELLEN FIDgranted 2016-10-27cancelled 2017-11-07
Successor callsigns
Callsigns held now by people who previously held K7EFB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7EFB, oldest first.
- MARTINEK, WILLIAM R WA1998-03-17 → cancelled 2010-03-18
- BARTLETT, ELLEN F ID2017-11-07 active