Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9RGX callsign genealogy
Currently held by GROCHOWSKI, RONALD
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 W9RGX's current licensee, walking backwards.
- GROCHOWSKI, RONALDINgranted 2002-07-02cancelled 2002-10-11
Successor callsigns
Callsigns held now by people who previously held W9RGX.
No current licensee on record previously held this callsign.