Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KE1IS callsign genealogy
Currently held by COLSON, 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 KE1IS's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KE1IS.
No current licensee on record previously held this callsign.