Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5KT callsign genealogy
Currently held by PORTER, JAMES T
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 KC5KT's current licensee, walking backwards.
- Tachibana, KunihikoTXgranted 2020-07-08cancelled 2020-07-28
Successor callsigns
Callsigns held now by people who previously held KC5KT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC5KT, oldest first.
- PORTER, JAMES T TX1988-09-13 → cancelled 2000-09-14
- Tachibana, Kunihiko TX2020-07-28 active