Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA0PRP callsign genealogy
Currently held by Champlin, Jon
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 WA0PRP's current licensee, walking backwards.
- Champlin, JonIDgranted 2024-07-31cancelled 2024-08-20
Successor callsigns
Callsigns held now by people who previously held WA0PRP.
No current licensee on record previously held this callsign.