Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3OCO callsign genealogy
Currently held by SHIPMAN JR, JAMES E
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 N3OCO's current licensee, walking backwards.
- SHIPMAN JR, JAMES ENCgranted 2008-08-18cancelled 2009-07-03
Successor callsigns
Callsigns held now by people who previously held N3OCO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3OCO, oldest first.
- O SHANKA JR, CHARLES J PA1993-01-26 → cancelled 2005-01-27
- SHIPMAN JR, JAMES E NC2019-06-03 active