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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

AF6D callsign genealogy

Currently held by SORENSON, STERLING A

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 AF6D's current licensee, walking backwards.

  1. KI6DYRcancelled· E
    Ricci, Robert WCAgranted 2006-05-17cancelled 2006-10-17

Successor callsigns

Callsigns held now by people who previously held AF6D.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AF6D, oldest first.

  • SORENSON, STERLING A CA
    1994-07-13 → cancelled 2006-07-14
  • Ricci, Robert W CA
    2016-09-14 active