uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

W1XPO callsign genealogy

Currently held by FEMARA Inc

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 W1XPO's current licensee, walking backwards.

  1. KC1TYTcancelled
    FEMARA IncMAgranted 2024-01-10cancelled 2024-01-30

Successor callsigns

Callsigns held now by people who previously held W1XPO.

No current licensee on record previously held this callsign.