Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD8IO callsign genealogy
Currently held by Meincke, Mark J
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 AD8IO's current licensee, walking backwards.
- Meincke, Mark JOHgranted 2021-12-06cancelled 2022-03-22
Successor callsigns
Callsigns held now by people who previously held AD8IO.
No current licensee on record previously held this callsign.