Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1NMK callsign genealogy
Currently held by BOLDUC, DAVID M
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 N1NMK's current licensee, walking backwards.
- Bolduc, David MNHgranted 2017-02-24cancelled 2017-03-24
Successor callsigns
Callsigns held now by people who previously held N1NMK.
- Bolduc, David MNHgranted 2017-07-21cancelled 2019-03-12
All historical holders
Every license row we've seen with the callsign N1NMK, oldest first.
- BOLDUC, DAVID M NH1992-09-22 → cancelled 2004-09-23
- Bolduc, David M NH2017-03-24 → cancelled 2017-07-21