Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8GRI callsign genealogy
Currently held by WALLBERG, RODNEY T
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 W8GRI's current licensee, walking backwards.
- WALLBERG, RODNEY TMIgranted 2011-03-25cancelled 2017-03-24
Successor callsigns
Callsigns held now by people who previously held W8GRI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8GRI, oldest first.
- NICHOLS, JAMES W AZ2011-04-26 → cancelled 2016-12-13
- WALLBERG, RODNEY T MI2017-03-24 active