Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA7AKU callsign genealogy
Currently held by Durr, Jeffrey A
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 KA7AKU's current licensee, walking backwards.
- Durr, Jeffrey AORgranted 2015-06-16cancelled 2015-07-14
Successor callsigns
Callsigns held now by people who previously held KA7AKU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA7AKU, oldest first.
- DURR, JEFFREY A OR2001-06-16 → cancelled 2013-06-19
- Durr, Jeffrey A OR2025-06-24 active