Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9CAT callsign genealogy
Currently held by TROYER, KAROL L
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 W9CAT's current licensee, walking backwards.
- TROYER, KAROL Lcancelled 1999-07-27
Successor callsigns
Callsigns held now by people who previously held W9CAT.
No current licensee on record previously held this callsign.