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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

K3KR callsign genealogy

Currently held by Poklembo, Jeffrey S

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 K3KR's current licensee, walking backwards.

  1. AA3JPcancelled· E
    Poklembo, Jeffrey SPAgranted 2020-08-14cancelled 2021-05-08
  2. KC3PAIcancelled· E
    Poklembo, Jeffrey SPAgranted 2020-03-03cancelled 2020-08-14

Successor callsigns

Callsigns held now by people who previously held K3KR.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K3KR, oldest first.

  • KRUK, JOHN B PA
    2017-06-27 → cancelled 2019-04-19
  • Poklembo, Jeffrey S PA
    2021-05-08 active
← Back to K3KR License history →