Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9LOP callsign genealogy
Currently held by RAUTH, MICHAEL A
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 N9LOP's current licensee, walking backwards.
- RAUTH, MICHAEL AWIgranted 2002-11-09cancelled 2002-12-06
Successor callsigns
Callsigns held now by people who previously held N9LOP.
- RAUTH, MICHAEL AWIgranted 2002-11-09cancelled 2002-12-06
All historical holders
Every license row we've seen with the callsign N9LOP, oldest first.
- RAUTH, MICHAEL A WI1991-05-28 → cancelled 2002-11-09
- RAUTH, MICHAEL A WI2024-01-04 active