Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7MLS callsign genealogy
Currently held by STEINMANN, MICHAEL L
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 W7MLS's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W7MLS.
All historical holders
Every license row we've seen with the callsign W7MLS, oldest first.
- SIMPSON, MONTE L WA1998-10-05 → cancelled 2002-09-13
- SPARKS, MARVIN L OR2010-11-19 → cancelled 2012-04-03
- Simpson, Monte L WA2014-12-30 → cancelled 2015-04-15
- STEINMANN, MICHAEL L ID2021-06-15 active