uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

W6JER callsign genealogy

Currently held by GRABE, HAROLD G

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 W6JER's current licensee, walking backwards.

  1. KO6HYFcancelled· T
    McCLure, Jeramy LCAgranted 2025-02-11cancelled 2025-03-18

Successor callsigns

Callsigns held now by people who previously held W6JER.

  1. K6GTRactive· G
    Runge, Gerard TCAgranted 2021-02-06
  2. N6BYcancelled· E
    Grandstaff Jr, Gerald LNVgranted 2009-01-06cancelled 2012-11-16

All historical holders

Every license row we've seen with the callsign W6JER, oldest first.

  • GRABE, HAROLD G CA
    1995-04-17 → cancelled 2007-04-18
  • Grandstaff Jr, Gerald L CA
    2007-12-07 → cancelled 2009-01-06
  • Runge, Gerard T CA
    2020-05-22 → cancelled 2021-02-06
  • McCLure, Jeramy L CA
    2025-03-18 active
← Back to W6JER License history →