Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI5SC callsign genealogy
Currently held by Center, Starr R
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 KI5SC's current licensee, walking backwards.
- Center, Starr RTXgranted 2015-05-05cancelled 2015-06-16
Successor callsigns
Callsigns held now by people who previously held KI5SC.
- CHAMBERS, MICHAEL PTXgranted 2000-06-06cancelled 2004-08-14
All historical holders
Every license row we've seen with the callsign KI5SC, oldest first.
- CHAMBERS, MICHAEL P TX1993-08-31 → cancelled 2000-06-06
- Center, Starr R TX2025-09-20 active