Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3APC callsign genealogy
Currently held by COOK, JAMES S
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 W3APC's current licensee, walking backwards.
- COOK, JAMES SCTgranted 2015-09-11cancelled 2020-08-04
Successor callsigns
Callsigns held now by people who previously held W3APC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3APC, oldest first.
- AIR PRODUCTS PA2008-07-08 → cancelled 2020-07-16
- COOK, JAMES S CT2020-08-04 active