Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7ACA callsign genealogy
Currently held by Liska, Troy 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 W7ACA's current licensee, walking backwards.
- Liska, Troy JORgranted 2013-05-23cancelled 2013-07-02
Successor callsigns
Callsigns held now by people who previously held W7ACA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7ACA, oldest first.
- THOMPSON, CORMAC C WA1994-11-21 → cancelled 2006-11-22
- Liska, Troy J OR2023-04-05 active