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

WP4TT callsign genealogy

Currently held by MONTALVO, JORGE L

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 WP4TT's current licensee, walking backwards.

  1. WP4KKcancelled· T
    ACOBE, JOSE EPRgranted 2017-07-04cancelled 2020-10-06
  2. WP4MMHcancelled· T
    ACOBE, JOSE EPRgranted 2013-11-08cancelled 2017-07-04

Successor callsigns

Callsigns held now by people who previously held WP4TT.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WP4TT, oldest first.

  • MONTALVO, JORGE L PR
    2001-02-15 → cancelled 2013-02-16
  • ACOBE, JOSE E PR
    2020-10-06 active
← Back to WP4TT License history →