Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9ZPC callsign genealogy
Currently held by REA, O RUSSELL
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 W9ZPC's current licensee, walking backwards.
- Trindle, John MVAgranted 2021-12-17cancelled 2022-04-19
Successor callsigns
Callsigns held now by people who previously held W9ZPC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9ZPC, oldest first.
- REA, O RUSSELL PA1998-08-25 → cancelled 2010-08-26
- Trindle, John M VA2022-04-19 active