Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9RDG callsign genealogy
Currently held by Gregg, Robin J
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 K9RDG's current licensee, walking backwards.
- Gregg, Robin JTNgranted 2020-07-31cancelled 2020-08-18
Successor callsigns
Callsigns held now by people who previously held K9RDG.
- Goldstein, Robin DCAgranted 2019-07-23
All historical holders
Every license row we've seen with the callsign K9RDG, oldest first.
- Goldstein, Robin D CA2009-05-01 → cancelled 2009-09-09
- Gregg, Robin J TN2020-08-18 active