Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KQ4IV callsign genealogy
Currently held by MARKWITH, RUSSELL B
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 KQ4IV's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KQ4IV.
No current licensee on record previously held this callsign.