Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4KM callsign genealogy
Currently held by SARNOSKY, KAREN M
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 KX4KM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KX4KM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KX4KM, oldest first.
- MILLER, MOLLY FL2005-06-28 → cancelled 2017-06-29
- SARNOSKY, KAREN M TN2020-06-19 active