Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9WSC callsign genealogy
Currently held by Walder Science Center ARC
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 W9WSC's current licensee, walking backwards.
- KD9DZAcancelledWalder Science Center ARCILgranted 2015-05-28cancelled 2015-08-11
Successor callsigns
Callsigns held now by people who previously held W9WSC.
No current licensee on record previously held this callsign.