Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1ACO callsign genealogy
Currently held by HART, WILLIAM T
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 W1ACO's current licensee, walking backwards.
- Hart, William TMAgranted 2013-02-28cancelled 2013-11-22
Successor callsigns
Callsigns held now by people who previously held W1ACO.
No current licensee on record previously held this callsign.