Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD5DFN callsign genealogy
Currently held by HEATH mr, ROY L
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 KD5DFN's current licensee, walking backwards.
- HEATH, ROY LTXgranted 2008-08-22cancelled 2012-10-12
Successor callsigns
Callsigns held now by people who previously held KD5DFN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD5DFN, oldest first.
- HEATH JR, LUTHER C TX1998-02-02 → cancelled 2010-02-03
- HEATH mr, ROY L TX2023-09-13 active