Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6SUD callsign genealogy
Currently held by SUDMEIER, TOD R
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 K6SUD's current licensee, walking backwards.
- SUDMEIER, TOD RCAgranted 1999-11-24cancelled 2002-11-02
Successor callsigns
Callsigns held now by people who previously held K6SUD.
No current licensee on record previously held this callsign.