Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9MS callsign genealogy
Currently held by NIBLACK, LIMAN D
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 KC9MS's current licensee, walking backwards.
- Souza, Marcus AFLgranted 2018-05-18cancelled 2022-04-02
Successor callsigns
Callsigns held now by people who previously held KC9MS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC9MS, oldest first.
- NIBLACK, LIMAN D CO2006-11-29 → cancelled 2019-02-28
- Souza, Marcus A MA2022-04-02 active