Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ6ACC callsign genealogy
Currently held by Hildebrandt, David 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 KJ6ACC's current licensee, walking backwards.
- Hildebrandt, David MCAgranted 2009-05-19cancelled 2009-06-12
Successor callsigns
Callsigns held now by people who previously held KJ6ACC.
- Hildebrandt PhD, David MCAgranted 2021-02-17