Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7IS callsign genealogy
Currently held by Mahan, Gary R
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 N7IS's current licensee, walking backwards.
- Mahan, Gary RORgranted 2002-01-23cancelled 2005-09-02
Successor callsigns
Callsigns held now by people who previously held N7IS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7IS, oldest first.
- BOWMAN, GEORGE A WA1996-09-24 → cancelled 1996-12-13
- Mahan, Gary R CO2025-08-05 active