Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7RYN callsign genealogy
Currently held by Plummer, Robert 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 K7RYN's current licensee, walking backwards.
- Plummer, Robert HWAgranted 2003-07-07cancelled 2003-08-02
Successor callsigns
Callsigns held now by people who previously held K7RYN.
No current licensee on record previously held this callsign.