Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1COJ callsign genealogy
Currently held by MC CABE, GARRY O
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 W1COJ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W1COJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1COJ, oldest first.
- MC CABE, OWEN J CT1999-02-10 → cancelled 2002-11-09
- MC CABE, GARRY O CT2009-02-28 → cancelled 2021-03-02