Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1SDS callsign genealogy
Currently held by Schiefelbein, Scott
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 K1SDS's current licensee, walking backwards.
- Schiefelbein, ScottCAgranted 2014-10-21cancelled 2014-11-11
Successor callsigns
Callsigns held now by people who previously held K1SDS.
- Schiefelbein, ScottNVgranted 2025-06-14