Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NM3M callsign genealogy
Currently held by Swartzwelder, Chris R
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 NM3M's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NM3M.
No current licensee on record previously held this callsign.