Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD7DAT callsign genealogy
Currently held by BIDDULPH, KEITH A
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 KD7DAT's current licensee, walking backwards.
- TONEY, DWAYNE AUTgranted 2013-08-23cancelled 2016-11-05
Successor callsigns
Callsigns held now by people who previously held KD7DAT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD7DAT, oldest first.
- BIDDULPH, KEITH A OR1998-10-22 → cancelled 2010-10-23
- Toney, Dwayne A UT2026-08-12 active