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

WF9F callsign genealogy

Currently held by SHANEYFELT, WILLIAM R

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 WF9F's current licensee, walking backwards.

  1. K0DIAcancelled· E
    MARTIN, OlinCOgranted 2020-03-10cancelled 2020-09-12
  2. KE0ZJRcancelled· T
    MARTIN, OlinCOgranted 2020-02-18cancelled 2020-03-10

Successor callsigns

Callsigns held now by people who previously held WF9F.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WF9F, oldest first.

  • SHANEYFELT, WILLIAM R IN
    2008-07-09 → cancelled 2020-08-20
  • MARTIN, Olin CO
    2020-09-12 active
← Back to WF9F License history →