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

W8XR callsign genealogy

Currently held by Amos, Mark C

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 W8XR's current licensee, walking backwards.

  1. KA8BVMcancelled· E
    Amos, Mark COHgranted 2004-06-05cancelled 2006-03-31

Successor callsigns

Callsigns held now by people who previously held W8XR.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W8XR, oldest first.

  • BALAZOWICH, JULIUS OH
    1996-03-01 → cancelled 2000-01-01
  • Amos, Mark C OH
    2026-01-03 active