Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE7FLY callsign genealogy
Currently held by CHRISTOFFERSON, DONALD W
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 KE7FLY's current licensee, walking backwards.
- CHRISTOFFERSON, DONALD WAZgranted 2020-06-08cancelled 2020-08-14
Successor callsigns
Callsigns held now by people who previously held KE7FLY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE7FLY, oldest first.
- DuChene, Tricia J OR2005-11-16 → cancelled 2017-11-17
- CHRISTOFFERSON, DONALD W AZ2020-08-14 active