uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-11

AF4SS callsign genealogy

Currently held by ROBERSON, RONALD 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 AF4SS's current licensee, walking backwards.

  1. KU4RScancelled· A
    ROBERSON, RONALD LFLgranted 1998-05-06cancelled 2000-05-05
  2. KF4IEScancelled· P
    ROBERSON, RONALD Lcancelled 1998-05-06

Successor callsigns

Callsigns held now by people who previously held AF4SS.

No current licensee on record previously held this callsign.

← Back to AF4SS License history →