Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7RDM callsign genealogy
Currently held by Mathews, Robin D
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 K7RDM's current licensee, walking backwards.
- Mathews, Robin DWAgranted 2014-06-18cancelled 2015-11-13
Successor callsigns
Callsigns held now by people who previously held K7RDM.
No current licensee on record previously held this callsign.