Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM5SU callsign genealogy
Currently held by LEWIS JR, STEPHEN 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 KM5SU's current licensee, walking backwards.
- LEWIS, STEPHEN Jcancelled 1998-09-24
Successor callsigns
Callsigns held now by people who previously held KM5SU.
- LEWIS JR, STEPHEN JTXgranted 2019-05-04