Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KS0DOC callsign genealogy
Currently held by Farris, Michael 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 KS0DOC's current licensee, walking backwards.
- Farris, Michael JKSgranted 2017-11-01cancelled 2017-11-21
Successor callsigns
Callsigns held now by people who previously held KS0DOC.
No current licensee on record previously held this callsign.