Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA6KOI callsign genealogy
Currently held by Lawson, Mark
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 KA6KOI's current licensee, walking backwards.
- Lawson, MarkCAgranted 2017-06-05cancelled 2018-01-09
Successor callsigns
Callsigns held now by people who previously held KA6KOI.
No current licensee on record previously held this callsign.