Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4RSQ callsign genealogy
Currently held by Overstreet, Ashley 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 K4RSQ's current licensee, walking backwards.
- Treffinger, Kenneth JFLgranted 2013-08-14cancelled 2013-09-06
Successor callsigns
Callsigns held now by people who previously held K4RSQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4RSQ, oldest first.
- Overstreet, Ashley R VA2000-07-14 → cancelled 2012-07-17
- Treffinger, Kenneth J NY2023-07-25 active