Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ0H callsign genealogy
Currently held by Peterson, Donna 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 AJ0H's current licensee, walking backwards.
- Peterson, Donna ECOgranted 2007-09-12cancelled 2008-01-29
Successor callsigns
Callsigns held now by people who previously held AJ0H.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AJ0H, oldest first.
- BAUER III, WILLIAM MO1995-11-28 → cancelled 2007-11-29
- Peterson, Donna E CO2017-11-21 active