Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7SDR callsign genealogy
Currently held by RUETER, SALLIE D
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 K7SDR's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K7SDR.
No current licensee on record previously held this callsign.