Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N8MSP callsign genealogy
Currently held by ROTHERMEL, TOM J
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 N8MSP's current licensee, walking backwards.
- POOL, MICHAEL SMIgranted 2010-01-28cancelled 2010-02-17
Successor callsigns
Callsigns held now by people who previously held N8MSP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N8MSP, oldest first.
- ROTHERMEL, TOM J OH1990-07-24 → cancelled 2002-07-25
- POOL, MICHAEL S MI2020-01-14 active