Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9PCS callsign genealogy
Currently held by YORK RADIO CLUB
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 W9PCS's current licensee, walking backwards.
- Sperbeck, Paul CWIgranted 2014-01-14cancelled 2018-03-20
Successor callsigns
Callsigns held now by people who previously held W9PCS.
- W9YRCactiveYork Radio ClubILgranted 2019-11-06
All historical holders
Every license row we've seen with the callsign W9PCS, oldest first.
- YORK RADIO CLUB IL2004-01-09 → cancelled 2009-11-10
- Sperbeck, Paul C WI2018-03-20 active