Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA1KJ callsign genealogy
Currently held by DONAHUE, CATHERINE 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 AA1KJ's current licensee, walking backwards.
- Dohmen, RolfNVgranted 2018-03-13cancelled 2018-04-03
Successor callsigns
Callsigns held now by people who previously held AA1KJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA1KJ, oldest first.
- DONAHUE, CATHERINE F MA2003-11-13 → cancelled 2016-02-09
- Dohmen, Rolf OR2018-04-03 active