Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD1RT callsign genealogy
Currently held by Dittberner, Richard 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 AD1RT's current licensee, walking backwards.
- Dittberner, Richard AWIgranted 2018-01-03cancelled 2018-04-10
Successor callsigns
Callsigns held now by people who previously held AD1RT.
No current licensee on record previously held this callsign.