Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WI9N callsign genealogy
Currently held by BISHOP, FRANK L
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 WI9N's current licensee, walking backwards.
- HENNEY, MICHAEL SINgranted 2010-05-11cancelled 2016-01-05
- KA9MKRno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held WI9N.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WI9N, oldest first.
- BISHOP, FRANK L MO2003-12-13 → cancelled 2015-12-15
- HENNEY, MICHAEL S IN2025-12-16 active