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

AB8SX callsign genealogy

Currently held by Eldridge, Mark E

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 AB8SX's current licensee, walking backwards.

  1. KB8SDMcancelled· E
    Eldridge, Mark EOHgranted 2004-01-21cancelled 2004-04-15

Successor callsigns

Callsigns held now by people who previously held AB8SX.

No current licensee on record previously held this callsign.