Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NN4FL callsign genealogy
Currently held by BORG Contest Collective
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 NN4FL's current licensee, walking backwards.
- KI4WWNcancelledBORG Contest CollectiveFLgranted 2007-07-05cancelled 2007-07-31
Successor callsigns
Callsigns held now by people who previously held NN4FL.
No current licensee on record previously held this callsign.