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

KP4MG callsign genealogy

Currently held by ARCE GONZALEZ, MARIANO

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 KP4MG's current licensee, walking backwards.

  1. WP4MAcancelled· E
    ARCE GONZALEZ, MARIANOPRgranted 2019-10-08cancelled 2020-12-29
  2. KP4MAGcancelled· G
    ARCE GONZALEZ, MARIANOPRgranted 2015-10-23cancelled 2019-10-08
  3. WP4PMUcancelled· G
    ARCE GONZALEZ, MARIANOPRgranted 2015-09-24cancelled 2015-10-23

Successor callsigns

Callsigns held now by people who previously held KP4MG.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KP4MG, oldest first.

  • PENA, RAMON R CA
    2007-04-10 → cancelled 2019-04-11
  • ARCE GONZALEZ, MARIANO PR
    2020-12-29 active
← Back to KP4MG License history →