Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ7TFP callsign genealogy
Currently held by Williams, Don
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 KJ7TFP's current licensee, walking backwards.
- Williams, DonTNgranted 2019-11-21cancelled 2020-12-29
Successor callsigns
Callsigns held now by people who previously held KJ7TFP.
- Williams, DonTNgranted 2019-11-21cancelled 2025-03-18