Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KW4MS callsign genealogy
Currently held by Bosch, Richard G
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 KW4MS's current licensee, walking backwards.
- Bosch, Richard GFLgranted 2010-06-22cancelled 2015-09-25
Successor callsigns
Callsigns held now by people who previously held KW4MS.
No current licensee on record previously held this callsign.