Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NL7GR callsign genealogy
Currently held by ALLISON, DOUGLAS 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 NL7GR's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NL7GR.
No current licensee on record previously held this callsign.