Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD0DX callsign genealogy
Currently held by BABB, GARY M
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 KD0DX's current licensee, walking backwards.
- BABB, GARY MMOgranted 2008-05-05cancelled 2011-05-10
Successor callsigns
Callsigns held now by people who previously held KD0DX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD0DX, oldest first.
- WATSON, VERNE D OH1998-04-29 → cancelled 2010-04-30
- BABB, GARY M MO2021-02-23 active