Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WY4RSP callsign genealogy
Currently held by Larson, Adam 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 WY4RSP's current licensee, walking backwards.
- Larson, Adam JWYgranted 2019-02-26cancelled 2019-03-22
Successor callsigns
Callsigns held now by people who previously held WY4RSP.
No current licensee on record previously held this callsign.