Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5DFH callsign genealogy
Currently held by BELL, DAVID B
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 K5DFH's current licensee, walking backwards.
- Hearn, Donald FTXgranted 2021-06-08cancelled 2021-07-03
Successor callsigns
Callsigns held now by people who previously held K5DFH.
- BELL, DAVID BTXgranted 2016-12-02
All historical holders
Every license row we've seen with the callsign K5DFH, oldest first.
- BELL, DAVID B TX2004-10-22 → cancelled 2007-02-13
- Hearn, Donald F TX2021-07-03 active