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

N4YXM callsign genealogy

Currently held by BOSTEK, JO L

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 N4YXM's current licensee, walking backwards.

  1. KC4NYR
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N4YXM.

No current licensee on record previously held this callsign.

← Back to N4YXM License history →