Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KS7DSP callsign genealogy
Currently held by Stone, Donald
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 KS7DSP's current licensee, walking backwards.
- Stone, DonaldTNgranted 2024-04-02cancelled 2024-05-10
Successor callsigns
Callsigns held now by people who previously held KS7DSP.
No current licensee on record previously held this callsign.