Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1TDR callsign genealogy
Currently held by Lavoie, Richard 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 N1TDR's current licensee, walking backwards.
- Lavoie, Richard PTNgranted 2017-04-03cancelled 2017-04-28
Successor callsigns
Callsigns held now by people who previously held N1TDR.
- Sibel, John EMAgranted 1996-06-29cancelled 2008-07-01