Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM5SW callsign genealogy
Currently held by WIEDOWER, JAMES E
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 KM5SW's current licensee, walking backwards.
- JOHNSON, PAUL WNMgranted 2012-10-11cancelled 2017-05-09
Successor callsigns
Callsigns held now by people who previously held KM5SW.
- Wiedower Sr, James EARgranted 2026-08-12
All historical holders
Every license row we've seen with the callsign KM5SW, oldest first.
- JOHNSON, PAUL W NM2017-05-09 active
- WIEDOWER, JAMES E— → cancelled 1998-11-12