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

KF4K callsign genealogy

Currently held by ROSARIO MORALES, HECTOR C

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 KF4K's current licensee, walking backwards.

  1. K4HCRcancelled· E
    ROSARIO MORALES, HECTOR CFLgranted 2018-10-23cancelled 2019-12-17
  2. KN4PKQcancelled· E
    ROSARIO MORALES, HECTOR CFLgranted 2018-10-05cancelled 2018-10-23

Successor callsigns

Callsigns held now by people who previously held KF4K.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KF4K, oldest first.

  • GOFF, ROBERT L VA
    2007-09-25 → cancelled 2019-11-27
  • ROSARIO MORALES, HECTOR C FL
    2019-12-17 active
← Back to KF4K License history →