Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9SRL callsign genealogy
Currently held by Clapp, Aaron J
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 KD9SRL's current licensee, walking backwards.
- Clapp, Aaron JINgranted 2020-11-21cancelled 2021-05-11
Successor callsigns
Callsigns held now by people who previously held KD9SRL.
No current licensee on record previously held this callsign.