Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5CSP callsign genealogy
Currently held by Garcia, John M
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 KC5CSP's current licensee, walking backwards.
- Garcia, John MTXgranted 2021-11-19cancelled 2021-12-10
Successor callsigns
Callsigns held now by people who previously held KC5CSP.
- Garcia, John MTXgranted 2021-12-10
All historical holders
Every license row we've seen with the callsign KC5CSP, oldest first.
- GARCIA, JOHN M TX1997-04-29 → cancelled 2005-09-15
- Garcia, John M TX2021-12-10 → cancelled 2023-05-23