Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9IHX callsign genealogy
Currently held by Babcock, David D
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 KD9IHX's current licensee, walking backwards.
- Babcock, David DINgranted 2007-08-28cancelled 2017-03-30
Successor callsigns
Callsigns held now by people who previously held KD9IHX.
- Babcock, David DINgranted 2017-04-25