Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7IOG callsign genealogy
Currently held by HANSON, SHANNON D
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 N7IOG's current licensee, walking backwards.
- HANSON, SHANNON DMTgranted 2025-01-15cancelled 2025-03-14
Successor callsigns
Callsigns held now by people who previously held N7IOG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7IOG, oldest first.
- IRRGANG, GEORGE K AZ2006-02-22 → cancelled 2018-05-22
- HANSON, SHANNON D MT2025-03-14 active