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

K4QCR callsign genealogy

Currently held by Robertson, Christopher 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 K4QCR's current licensee, walking backwards.

  1. N4OIIcancelled· T
    Robertson, ChristopherNCgranted 2021-08-17cancelled 2021-10-16
  2. KO4OIIcancelled· T
    Robertson, ChristopherNCgranted 2021-03-17cancelled 2021-08-17

Successor callsigns

Callsigns held now by people who previously held K4QCR.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K4QCR, oldest first.

  • PATTERSON, ARTHUR W KY
    2004-08-19 → cancelled 2016-09-08
  • Robertson, Christopher D AL
    2021-10-16 active
← Back to K4QCR License history →