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

K7OLA callsign genealogy

Currently held by Hays, William P

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 K7OLA's current licensee, walking backwards.

  1. KN4SBKcancelled· E
    Huentelman, JamesWAgranted 2019-02-05cancelled 2019-09-10

Successor callsigns

Callsigns held now by people who previously held K7OLA.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K7OLA, oldest first.

  • Hays, William P AZ
    2006-02-14 → cancelled 2018-04-10
  • Huentelman, James WA
    2019-09-10 active