Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI6DH callsign genealogy
Currently held by Johnson, David 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 AI6DH's current licensee, walking backwards.
- Johnson, David CCAgranted 2014-08-14cancelled 2014-08-21
Successor callsigns
Callsigns held now by people who previously held AI6DH.
- Johnson, David CCAgranted 2019-04-02