Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3FQ callsign genealogy
Currently held by OLCHEWSKY, DAVID J
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 K3FQ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K3FQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3FQ, oldest first.
- Sheldon-Hess, J. Coral ME2014-03-06 → cancelled 2026-03-13
- OLCHEWSKY, DAVID J MD2026-04-28 active