Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7CMK callsign genealogy
Currently held by McFall, Forrest R
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 K7CMK's current licensee, walking backwards.
- Kahl, ChadCOgranted 2020-07-14cancelled 2020-10-02
Successor callsigns
Callsigns held now by people who previously held K7CMK.
- McFall, Forrest RHIgranted 2023-09-19
All historical holders
Every license row we've seen with the callsign K7CMK, oldest first.
- McFall, Forrest R HI2004-08-14 → cancelled 2013-02-09
- Kahl, Chad CO2020-10-02 active