uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

WA4JMA callsign genealogy

Currently held by GARCIA, JUSTO

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 WA4JMA's current licensee, walking backwards.

  1. KR4OKactive· A
    ALDERFER, JEFFREY MPAgranted 2018-09-25
  2. K3JMAcancelled· A
    ALDERFER, JEFFREY MNCgranted 2008-04-22cancelled 2008-12-23

Successor callsigns

Callsigns held now by people who previously held WA4JMA.

  1. K4JMAcancelled· A
    ALDERFER, JEFFREY MNCgranted 2001-08-25cancelled 2003-11-01

All historical holders

Every license row we've seen with the callsign WA4JMA, oldest first.

  • GARCIA, JUSTO FL
    1988-09-27 → cancelled 2000-09-28
  • ALDERFER, JEFFREY M NC
    2000-10-17 → cancelled 2001-08-25
← Back to WA4JMA License history →