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

W9JM callsign genealogy

Currently held by MONTAGUE, JOHN 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 W9JM's current licensee, walking backwards.

  1. N9GUUactive
    Chain O Lakes Amateur Radio AssociationILgranted 2021-12-28
  2. KD9SFXcancelled
    Chain O Lakes Amateur Radio AssociationILgranted 2021-03-26cancelled 2021-12-28

Successor callsigns

Callsigns held now by people who previously held W9JM.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W9JM, oldest first.

  • MONTAGUE, JOHN E SC
    2007-08-18 → cancelled 2019-11-14
  • CANKAR, JOHN D IL
    2019-12-03 active