Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NU1U callsign genealogy
Currently held by Lefebvre, Anthony 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 NU1U's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NU1U.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NU1U, oldest first.
- MARTIN, RONNIE NH2008-07-22 → cancelled 2020-09-19
- Lefebvre, Anthony E CT2020-10-09 active