Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1RMA callsign genealogy
Currently held by Jannusch, Michael T
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 W1RMA's current licensee, walking backwards.
- Jannusch, Michael TILgranted 2020-10-19cancelled 2020-11-10
Successor callsigns
Callsigns held now by people who previously held W1RMA.
- MILLER, RUSSELL AMEgranted 2003-01-03cancelled 2015-01-06
All historical holders
Every license row we've seen with the callsign W1RMA, oldest first.
- MILLER, RUSSELL A ME1999-10-30 → cancelled 2003-01-03
- Jannusch, Michael T IL2020-11-10 active