Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA0AP callsign genealogy
Currently held by SHEPHERD, RONALD D
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 AA0AP's current licensee, walking backwards.
- SHEPHERD, RONALD DMNgranted 2018-07-27cancelled 2022-06-28
Successor callsigns
Callsigns held now by people who previously held AA0AP.
- SHEPHERD, RONALD DMNgranted 2018-07-27cancelled 2022-06-28
All historical holders
Every license row we've seen with the callsign AA0AP, oldest first.
- SHEPHERD, RONALD D MN2011-06-16 → cancelled 2018-07-27
- SHEPHERD, RONALD D MN2022-06-28 active