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

W9JSP callsign genealogy

Currently held by SANTANA, 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 W9JSP's current licensee, walking backwards.

  1. K0JSPcancelled· E
    PAHL, JEFFREY SWIgranted 2017-06-02cancelled 2018-05-01
  2. KF4JVDcancelled· E
    PAHL, JEFFREY SMNgranted 2006-04-13cancelled 2007-08-25

Successor callsigns

Callsigns held now by people who previously held W9JSP.

  1. WP4JSPcancelled· E
    Santana, Jorge LWIgranted 2010-01-22cancelled 2012-05-12

All historical holders

Every license row we've seen with the callsign W9JSP, oldest first.

  • SANTANA, JORGE L PR
    2009-07-24 → cancelled 2010-01-22
  • PAHL, JEFFREY S WI
    2018-05-01 active
← Back to W9JSP License history →