Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7SWR callsign genealogy
Currently held by GLEESON, MICHAEL 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 W7SWR's current licensee, walking backwards.
- MASON, SUZANNE CORgranted 2011-01-28cancelled 2011-03-25
Successor callsigns
Callsigns held now by people who previously held W7SWR.
- GLEESON, MICHAEL JORgranted 2002-06-25cancelled 2014-06-26
All historical holders
Every license row we've seen with the callsign W7SWR, oldest first.
- GLEESON, MICHAEL J OR1999-03-31 → cancelled 2002-06-25
- MASON, SUZANNE C OR2021-01-20 active