Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1CJM callsign genealogy
Currently held by McCabe, Colin 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 W1CJM's current licensee, walking backwards.
- McCabe, Colin JRIgranted 2000-03-01cancelled 2001-05-08
Successor callsigns
Callsigns held now by people who previously held W1CJM.
No current licensee on record previously held this callsign.