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

K8CPT callsign genealogy

Currently held by Tompkins, Clyde 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 K8CPT's current licensee, walking backwards.

  1. AE8CPactive· E
    CAIN, LARRY AMIgranted 2022-01-11
  2. KC8SICcancelled· E
    CAIN, LARRY AMIgranted 2021-08-24cancelled 2022-01-11

Successor callsigns

Callsigns held now by people who previously held K8CPT.

  1. AE8CPcancelled· E
    Tompkins, Clyde PMIgranted 2016-04-09cancelled 2016-05-14

All historical holders

Every license row we've seen with the callsign K8CPT, oldest first.

  • Tompkins, Clyde P MI
    2015-06-13 → cancelled 2016-04-09
  • Tompkins, Clyde P MI
    2026-05-14 active
← Back to K8CPT License history →