Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1PDH callsign genealogy
Currently held by CROTEAU, LAWRENCE A
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 N1PDH's current licensee, walking backwards.
- HANSON, PETER DMAgranted 2017-11-15cancelled 2019-03-12
Successor callsigns
Callsigns held now by people who previously held N1PDH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1PDH, oldest first.
- CROTEAU, LAWRENCE A NH1993-05-18 → cancelled 2005-05-19
- HANSON, PETER D MA2019-03-12 active