Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7CJO callsign genealogy
Currently held by McNerney, Mark A
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 N7CJO's current licensee, walking backwards.
- McNerney, Mark AWAgranted 2011-05-16cancelled 2011-06-07
Successor callsigns
Callsigns held now by people who previously held N7CJO.
- MOULDING, MARK DUTgranted 2002-01-12cancelled 2003-08-22