Confidence: Medium · Source: FCC ULS · As of 2026-09-09
W8CWC callsign genealogy
Currently held by HIRSIMAKI, MARTIN 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 W8CWC's current licensee, walking backwards.
- Catlin III, John EKYgranted 2019-06-03cancelled 2019-07-09
Successor callsigns
Callsigns held now by people who previously held W8CWC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8CWC, oldest first.
- HIRSIMAKI, MARTIN J OH1998-01-07 → cancelled 2010-01-08
- Catlin III, John E KY2019-07-09 active