Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KS4KLM callsign genealogy
Currently held by McCallister, Kevin L
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 KS4KLM's current licensee, walking backwards.
- McCallister, Kevin LVAgranted 2018-11-19cancelled 2018-12-11
Successor callsigns
Callsigns held now by people who previously held KS4KLM.
- McCallister, Kevin LVAgranted 2020-02-11