Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9GRW callsign genealogy
Currently held by Walsh, Greg
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 K9GRW's current licensee, walking backwards.
- Walsh, GregWAgranted 2019-07-16cancelled 2019-08-03
Successor callsigns
Callsigns held now by people who previously held K9GRW.
No current licensee on record previously held this callsign.