Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6TDI callsign genealogy
Currently held by Fischer, Terry C
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 K6TDI's current licensee, walking backwards.
- Fischer, Terry CCAgranted 2011-12-13cancelled 2012-01-21
Successor callsigns
Callsigns held now by people who previously held K6TDI.
No current licensee on record previously held this callsign.