Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD7PO callsign genealogy
Currently held by Dunn Jr, John E
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 AD7PO's current licensee, walking backwards.
- Dunn Jr, John EAZgranted 2006-12-22cancelled 2007-08-27
Successor callsigns
Callsigns held now by people who previously held AD7PO.
- Dunn Jr, John EAZgranted 2018-02-23