Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0RPW callsign genealogy
Currently held by Walsh, Ryan P
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 K0RPW's current licensee, walking backwards.
- Walsh, Ryan PMOgranted 2021-03-03cancelled 2021-06-22
Successor callsigns
Callsigns held now by people who previously held K0RPW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0RPW, oldest first.
- WIESE, ROBERT P IA2009-02-06 → cancelled 2021-04-29
- Walsh, Ryan P MO2021-06-22 active