Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1NJG callsign genealogy
Currently held by TIBBETTS, RALPH F
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 W1NJG's current licensee, walking backwards.
- GREENHALGH, JAMES IRIgranted 2011-10-28cancelled 2016-03-15
Successor callsigns
Callsigns held now by people who previously held W1NJG.
- GREENHALGH, JAMES IRIgranted 2026-01-13
All historical holders
Every license row we've seen with the callsign W1NJG, oldest first.
- TIBBETTS, RALPH F NH1997-02-12 → cancelled 2009-02-13
- GREENHALGH, JAMES I RI2016-03-15 → cancelled 2016-04-02