Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ7SAM callsign genealogy
Currently held by Heizenreter, Sam D
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 KJ7SAM's current licensee, walking backwards.
- Heizenreter, Sam DORgranted 2018-12-26cancelled 2019-02-20
Successor callsigns
Callsigns held now by people who previously held KJ7SAM.
No current licensee on record previously held this callsign.