Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9GIO callsign genealogy
Currently held by CHRISTIANSON, ROBERT G
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 W9GIO's current licensee, walking backwards.
- HUNT, LINDA MAZgranted 2003-08-28cancelled 2011-08-05
- KB7INNno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held W9GIO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9GIO, oldest first.
- CHRISTIANSON, ROBERT G TX2006-06-22 → cancelled 2011-04-10
- HUNT, LINDA M AZ2021-08-03 active