Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM5SWO callsign genealogy
Currently held by BUTCHER JR, MORRIS R
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 KM5SWO's current licensee, walking backwards.
- BUTCHER JR, MORRIS RMSgranted 2014-10-27cancelled 2016-11-26
Successor callsigns
Callsigns held now by people who previously held KM5SWO.
- BUTCHER JR, MORRIS RMSgranted 2017-03-14