Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DSR callsign genealogy
Currently held by KEEVAN, MICHAEL W
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 K7DSR's current licensee, walking backwards.
- Carleton, David ENVgranted 2009-02-20cancelled 2009-08-28
Successor callsigns
Callsigns held now by people who previously held K7DSR.
- Roth, Dana SSCgranted 2006-06-30cancelled 2009-02-13
All historical holders
Every license row we've seen with the callsign K7DSR, oldest first.
- KEEVAN, MICHAEL W WA2000-06-21 → cancelled 2001-12-02
- Roth, Dana S WA2006-01-07 → cancelled 2006-06-30
- Carleton, David E WA2019-06-21 active