Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9BTH callsign genealogy
Currently held by Lindert, Heidi B
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 KC9BTH's current licensee, walking backwards.
- Lindert, Heidi BWIgranted 2001-08-03cancelled 2001-09-05
Successor callsigns
Callsigns held now by people who previously held KC9BTH.
No current licensee on record previously held this callsign.