Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4GRC callsign genealogy
Currently held by VINEYARD JR, EPHRAIM H
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 N4GRC's current licensee, walking backwards.
- CATE, GLENN RFLgranted 2009-02-13cancelled 2017-07-07
Successor callsigns
Callsigns held now by people who previously held N4GRC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4GRC, oldest first.
- VINEYARD JR, EPHRAIM H TN2006-02-21 → cancelled 2008-12-23
- CATE, GLENN R FL2017-07-07 active