Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM0SSE callsign genealogy
Currently held by HUMPHERYS, KEITH
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 KM0SSE's current licensee, walking backwards.
- HUMPHERYS, KEITH HUTgranted 2021-06-03cancelled 2021-08-06
Successor callsigns
Callsigns held now by people who previously held KM0SSE.
No current licensee on record previously held this callsign.