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

K3DEP callsign genealogy

Currently held by KAPETSKY, JAMES M

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 K3DEP's current licensee, walking backwards.

  1. K3FUDcancelled· G
    PROSTKO, DOUGLASPAgranted 2022-05-28cancelled 2022-08-20
  2. KC3UCPcancelled· G
    PROSTKO, DOUGLASPAgranted 2022-04-18cancelled 2022-05-28
  3. KC3UBKcancelled· G
    PROSTKO, DOUGLASPAgranted 2022-04-18cancelled 2022-05-09

Successor callsigns

Callsigns held now by people who previously held K3DEP.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K3DEP, oldest first.

  • KAPETSKY, JAMES M NC
    2010-06-23 → cancelled 2022-07-12
  • PROSTKO, DOUGLAS PA
    2022-08-20 active
← Back to K3DEP License history →