Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD2TSQ callsign genealogy
Currently held by Lederer III, Frederick J
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 KD2TSQ's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD2TSQ.
- Lederer III, Frederick JNJgranted 2020-04-14