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

WA7JM callsign genealogy

Currently held by Cook, Gerald E

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 WA7JM's current licensee, walking backwards.

  1. KC7JAMcancelled· G
    JAMISON, CHRISTOPHER RORgranted 2016-07-12cancelled 2018-01-09
  2. KE0JPDcancelled· T
    Jamison, Christopher RORgranted 2016-06-15cancelled 2016-07-12

Successor callsigns

Callsigns held now by people who previously held WA7JM.

  1. AC7Zactive· E
    MILLER, JERRY LWAgranted 2019-05-13

All historical holders

Every license row we've seen with the callsign WA7JM, oldest first.

  • Cook, Gerald E WA
    2018-03-07 active
  • MILLER, JERRY L
    — → cancelled 1999-07-12
← Back to WA7JM License history →