Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1WRX callsign genealogy
Currently held by Donegan, Sean C
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 KA1WRX's current licensee, walking backwards.
- Donegan, Sean CMAgranted 2018-04-19cancelled 2018-05-08
Successor callsigns
Callsigns held now by people who previously held KA1WRX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA1WRX, oldest first.
- LOSTROM, ADRI A ME1990-11-27 → cancelled 2002-11-28
- Donegan, Sean C MA2018-05-08 active