Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NL7ZL callsign genealogy
Currently held by Robertson, Thomas L
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 NL7ZL's current licensee, walking backwards.
- KB4VRNno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held NL7ZL.
- Robertson, Thomas LALgranted 2022-05-12