Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KW7TC callsign genealogy
Currently held by PLATINUM AMATEUR RADIO CLUB
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 KW7TC's current licensee, walking backwards.
- COGAN, THOMAS JWAgranted 2025-01-03cancelled 2025-06-21
Successor callsigns
Callsigns held now by people who previously held KW7TC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KW7TC, oldest first.
- PLATINUM AMATEUR RADIO CLUB CA1999-05-05 → cancelled 2011-05-06
- COGAN, THOMAS J WA2025-06-21 active