Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC2MM callsign genealogy
Currently held by Chaowanawatee, Kullawat
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 KC2MM's current licensee, walking backwards.
- Chaowanawatee, KullawatTXgranted 2023-10-17cancelled 2023-11-17
Successor callsigns
Callsigns held now by people who previously held KC2MM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC2MM, oldest first.
- MARKMAN, ARTHUR B TX2006-01-14 → cancelled 2018-03-15
- Chaowanawatee, Kullawat TX2023-11-17 active