Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC4TDM callsign genealogy
Currently held by MIDDLETON, CHRISTOPHER W
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 KC4TDM's current licensee, walking backwards.
- KC4RBPno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KC4TDM.
- MIDDLETON, CHRISTOPHER WVAgranted 2005-06-14cancelled 2017-06-15