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Confidence: Medium · Source: FCC ULS · As of 2026-09-11

KM4HKP callsign genealogy

Currently held by ELRUBAIE, JOHAN 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 KM4HKP's current licensee, walking backwards.

  1. WA1DOactive· E
    LEWIS, MICHAELAZgranted 2020-04-28
  2. AI7ALcancelled· E
    LEWIS, MICHAELAZgranted 2017-06-30cancelled 2020-04-28
  3. KI7OREcancelled· E
    LEWIS, MICHAELAZgranted 2017-06-30cancelled 2020-04-08

Successor callsigns

Callsigns held now by people who previously held KM4HKP.

  1. WA1DOcancelled· E
    ELRUBAIE, JOHAN MFLgranted 2015-12-29cancelled 2016-04-08

All historical holders

Every license row we've seen with the callsign KM4HKP, oldest first.

  • ELRUBAIE, JOHAN M FL
    2015-01-22 → cancelled 2015-12-29
  • ELRUBAIE, JOHAN M FL
    2016-04-08 active
← Back to KM4HKP License history →