Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA0CH callsign genealogy
Currently held by Southern Iowa Repeater Association
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 AA0CH's current licensee, walking backwards.
- KF0TSHcancelledSouthern Iowa Repeater AssociationIAgranted 2025-03-28cancelled 2025-05-03
Successor callsigns
Callsigns held now by people who previously held AA0CH.
- FOX, ROBERT HCOgranted 2020-05-05
All historical holders
Every license row we've seen with the callsign AA0CH, oldest first.
- FOX, ROBERT H CO2010-07-30 → cancelled 2020-05-05
- Southern Iowa Repeater Association IA2025-05-03 active