Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7KSM callsign genealogy
Currently held by McFarland, Shawn V
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 K7KSM's current licensee, walking backwards.
- McFarland, Shawn VIDgranted 2015-03-19cancelled 2016-02-02
Successor callsigns
Callsigns held now by people who previously held K7KSM.
- Litherland, William AORgranted 2023-05-23
All historical holders
Every license row we've seen with the callsign K7KSM, oldest first.
- Litherland, William A OR1997-06-16 → cancelled 2002-07-09
- McFarland, Shawn V ID2016-02-02 active