Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD7R callsign genealogy
Currently held by Graff, Thomas H
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 AD7R's current licensee, walking backwards.
- GRAFF, THOMAS Hcancelled 1999-05-26
Successor callsigns
Callsigns held now by people who previously held AD7R.
No current licensee on record previously held this callsign.