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

K9CFA callsign genealogy

Currently held by Abramson, Charles

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 K9CFA's current licensee, walking backwards.

  1. KI5CJPcancelled· G
    Abramson, CharlesTXgranted 2018-10-01cancelled 2018-12-15
  2. KI5BSVcancelled· G
    Abramson, CharlesTXgranted 2018-10-01cancelled 2018-11-26

Successor callsigns

Callsigns held now by people who previously held K9CFA.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K9CFA, oldest first.

  • HEINZE, MARION D WI
    1988-03-22 → cancelled 2000-03-23
  • ABRAMSON, CHARLES F IL
    2002-05-21 → cancelled 2014-05-22
  • Abramson, Charles TX
    2018-12-15 active
← Back to K9CFA License history →