Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4SOU callsign genealogy
Currently held by Chester Jr, Mark A
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 K4SOU's current licensee, walking backwards.
- Chester Jr, Mark AKYgranted 2000-05-23cancelled 2000-06-17
Successor callsigns
Callsigns held now by people who previously held K4SOU.
No current licensee on record previously held this callsign.