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

KT9F callsign genealogy

Currently held by LARGE, JAMES 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 KT9F's current licensee, walking backwards.

  1. KT0Aactive· E
    SLAGEL, GARY DSDgranted 2021-10-28
  2. N0SXXactive· T
    Marcus, PatrickAZgranted 2022-04-01
  3. KK7EJCcancelled· T
    Marcus, PatrickAZgranted 2022-03-14cancelled 2022-04-01

Successor callsigns

Callsigns held now by people who previously held KT9F.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KT9F, oldest first.

  • LARGE, JAMES P IN
    1997-12-03 → cancelled 2009-12-04
  • MEEKS, DAVID L TN
    2019-12-06 active