Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1IFW callsign genealogy
Currently held by FORMHALS, MARK S
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 N1IFW's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N1IFW.
No current licensee on record previously held this callsign.