Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ1DAD callsign genealogy
Currently held by CASTLETON, KEITH 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 KJ1DAD's current licensee, walking backwards.
- CASTLETON, KEITH JUTgranted 2020-09-10cancelled 2021-11-09
Successor callsigns
Callsigns held now by people who previously held KJ1DAD.
No current licensee on record previously held this callsign.