uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

NF6X callsign genealogy

Currently held by Blair, Mark J

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 NF6X's current licensee, walking backwards.

  1. KE6MYKcancelled· E
    Blair, Mark JCAgranted 1999-03-08cancelled 2003-05-28

Successor callsigns

Callsigns held now by people who previously held NF6X.

No current licensee on record previously held this callsign.