Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0IG callsign genealogy
Currently held by Ogren, John A
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 AD0IG's current licensee, walking backwards.
- Ogren, John ACOgranted 2014-04-14cancelled 2014-04-17
Successor callsigns
Callsigns held now by people who previously held AD0IG.
- Ogren, John ACOgranted 2014-05-20cancelled 2014-06-28