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

K4EI callsign genealogy

Currently held by MARSANO, CARLO 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 K4EI's current licensee, walking backwards.

  1. K4YWZcancelled· E
    HUGHES, JEFFREY PVAgranted 2016-12-16cancelled 2019-01-01
  2. KM4YWZcancelled· G
    HUGHES, JEFFREY PVAgranted 2016-11-10cancelled 2016-12-16

Successor callsigns

Callsigns held now by people who previously held K4EI.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K4EI, oldest first.

  • MARSANO, CARLO M FL
    2007-10-25 → cancelled 2016-12-13
  • HUGHES, JEFFREY P VA
    2019-01-01 active
← Back to K4EI License history →