Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC5TIS callsign genealogy
Currently held by MARRS, PHILIP 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 KC5TIS's current licensee, walking backwards.
- MARRS, PHILIP AOKgranted 2026-01-15
Successor callsigns
Callsigns held now by people who previously held KC5TIS.
- MARRS, PHILIP AOKgranted 2026-01-15