Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AD6RD callsign genealogy
Currently held by DIAMOND, RICHARD B
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 AD6RD's current licensee, walking backwards.
- Darling, Robert LCAgranted 2010-04-14cancelled 2011-06-21
Successor callsigns
Callsigns held now by people who previously held AD6RD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AD6RD, oldest first.
- DIAMOND, RICHARD B CA1997-11-19 → cancelled 2009-11-20
- Darling, Robert L CA2021-04-02 active