Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ7UDY callsign genealogy
Currently held by Stamp, Judy A
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 KJ7UDY's current licensee, walking backwards.
- Stamp, Judy AORgranted 2019-05-15cancelled 2020-06-05
Successor callsigns
Callsigns held now by people who previously held KJ7UDY.
No current licensee on record previously held this callsign.