Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD5DHW callsign genealogy
Currently held by BUHLER, JOHN C
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 KD5DHW's current licensee, walking backwards.
- Wood, Drew HARgranted 2011-08-31cancelled 2016-05-20
Successor callsigns
Callsigns held now by people who previously held KD5DHW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD5DHW, oldest first.
- BUHLER, JOHN C TX1998-02-20 → cancelled 2010-02-23
- Wood, Drew H AR2026-05-20 active