Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD8EH callsign genealogy
Currently held by KOCH, DAVID T
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 AD8EH's current licensee, walking backwards.
- KOCH, DAVID TOHgranted 2011-09-20cancelled 2019-06-21
Successor callsigns
Callsigns held now by people who previously held AD8EH.
No current licensee on record previously held this callsign.