Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9YOU callsign genealogy
Currently held by Reardon PE, John 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 W9YOU's current licensee, walking backwards.
- REARDON, JOHN PINgranted 2021-02-01cancelled 2021-08-10
Successor callsigns
Callsigns held now by people who previously held W9YOU.
No current licensee on record previously held this callsign.