Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1MPL callsign genealogy
Currently held by Lefebvre, Michael P
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 N1MPL's current licensee, walking backwards.
- Lefebvre, Michael PCTgranted 2010-08-04cancelled 2016-12-13
Successor callsigns
Callsigns held now by people who previously held N1MPL.
- TRAINER, JOHN KNHgranted 2012-01-10cancelled 2019-04-09
All historical holders
Every license row we've seen with the callsign N1MPL, oldest first.
- TRAINER, JOHN K NH2002-04-17 → cancelled 2012-01-10
- Lefebvre, Michael P CT2016-12-13 active