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

KC9JLS callsign genealogy

Currently held by Mosley, Michael D

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 KC9JLS's current licensee, walking backwards.

  1. KD9NNLcancelled· G
    Seiver, JamesINgranted 2019-07-22cancelled 2019-09-13

Successor callsigns

Callsigns held now by people who previously held KC9JLS.

  1. WU9Yactive· E
    Seiver, JamesINgranted 2020-01-14

All historical holders

Every license row we've seen with the callsign KC9JLS, oldest first.

  • Mosley, Michael D IN
    2006-05-11 → cancelled 2018-05-12
  • Seiver, James IN
    2019-09-13 → cancelled 2020-01-14
← Back to KC9JLS License history →