Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1TPS callsign genealogy
Currently held by Shamshak Sr, Thomas P
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 KC1TPS's current licensee, walking backwards.
- Shamshak Sr, Thomas PMAgranted 2017-03-03cancelled 2017-03-24
Successor callsigns
Callsigns held now by people who previously held KC1TPS.
- Shamshak Sr, Thomas PMAgranted 2017-03-24