Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4QW callsign genealogy
Currently held by PINHOLSTER JR, DAVID C
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 KO4QW's current licensee, walking backwards.
- WA4CPQno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KO4QW.
- PINHOLSTER JR, DAVID CFLgranted 2020-08-17