Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5TLD callsign genealogy
Currently held by NISHIMUTA, FRANCIS 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 K5TLD's current licensee, walking backwards.
- Dempsey, ThomasARgranted 2023-11-23cancelled 2024-06-08
Successor callsigns
Callsigns held now by people who previously held K5TLD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5TLD, oldest first.
- NISHIMUTA, FRANCIS T OK2003-06-13 → cancelled 2015-09-15
- Dempsey, Thomas AR2024-06-08 active