Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA0CD callsign genealogy
Currently held by DIETLEIN, CHARLES R
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 AA0CD's current licensee, walking backwards.
- DIETLEIN, CHARLES RMDgranted 2011-09-09cancelled 2015-05-19
Successor callsigns
Callsigns held now by people who previously held AA0CD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA0CD, oldest first.
- WELLS, GEORGE W KS1990-10-09 → cancelled 2002-10-10
- DIETLEIN, CHARLES R MD2025-03-27 active