Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7RMR callsign genealogy
Currently held by Richter, Robert M
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 W7RMR's current licensee, walking backwards.
- Mishler, Ryan LORgranted 2011-05-13cancelled 2018-03-23
Successor callsigns
Callsigns held now by people who previously held W7RMR.
- Richter, Robert MORgranted 2020-07-21
All historical holders
Every license row we've seen with the callsign W7RMR, oldest first.
- Richter, Robert M OR2008-04-08 → cancelled 2010-10-13
- Mishler, Ryan L OR2018-03-23 active