Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF7FMQ callsign genealogy
Currently held by Heil, F Charles 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 KF7FMQ's current licensee, walking backwards.
- Heil, F Charles WORgranted 2009-10-29cancelled 2011-03-29
Successor callsigns
Callsigns held now by people who previously held KF7FMQ.
All historical holders
Every license row we've seen with the callsign KF7FMQ, oldest first.
- Heil, F Charles W OR2009-10-29 → cancelled 2011-03-10
- Heil, F Charles W OR2011-03-29 → cancelled 2011-05-20