Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7MSC callsign genealogy
Currently held by Comstock, Mitchell S
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 K7MSC's current licensee, walking backwards.
- Stiles, MarettaORgranted 2013-08-02cancelled 2019-12-06
Successor callsigns
Callsigns held now by people who previously held K7MSC.
- Comstock, Mitchell SFLgranted 2016-11-04
All historical holders
Every license row we've seen with the callsign K7MSC, oldest first.
- Comstock, Mitchell S FL2009-03-20 → cancelled 2016-11-04
- Stiles, Maretta OR2019-12-06 active