Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4TDR callsign genealogy
Currently held by TENNESSEE DISASTER RELIEF
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 K4TDR's current licensee, walking backwards.
- KI4GOUcancelledTENNESSEE DISASTER RELIEFTNgranted 2004-08-09cancelled 2008-07-08
Successor callsigns
Callsigns held now by people who previously held K4TDR.
No current licensee on record previously held this callsign.