Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA1RF callsign genealogy
Currently held by DONOVAN, KATHLEEN
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 AA1RF's current licensee, walking backwards.
- Alonso, Sydney AVTgranted 2019-10-23cancelled 2019-11-13
Successor callsigns
Callsigns held now by people who previously held AA1RF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA1RF, oldest first.
- DONOVAN, KATHLEEN ME2006-01-24 → cancelled 2018-04-05
- Alonso, Sydney A VT2019-11-13 active