Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM5XV callsign genealogy
Currently held by Heiser, Robert S
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 KM5XV's current licensee, walking backwards.
- Heiser, Robert SNMgranted 1993-03-23cancelled 2003-01-02
Successor callsigns
Callsigns held now by people who previously held KM5XV.
- Heiser, Robert SNCgranted 2023-09-02