Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9FOH callsign genealogy
Currently held by Clark, Matthew 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 N9FOH's current licensee, walking backwards.
- Clark, Matthew DINgranted 2024-03-14cancelled 2025-12-19
Successor callsigns
Callsigns held now by people who previously held N9FOH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9FOH, oldest first.
- MC PIKE, DAVID D IN2018-04-27 → cancelled 2025-07-25
- Clark, Matthew D IN2025-12-19 active