Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NN1MF callsign genealogy
Currently held by Marshfield Fair Radio Club
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 NN1MF's current licensee, walking backwards.
- KB1HYXcancelledMarshfield Fair Radio ClubMAgranted 2002-03-18cancelled 2002-04-10
Successor callsigns
Callsigns held now by people who previously held NN1MF.
No current licensee on record previously held this callsign.