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

W7IMU callsign genealogy

Currently held by HALL III, ARTHUR A

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 W7IMU's current licensee, walking backwards.

  1. W1IMUcancelled· A
    HALL III, ARTHUR AWAgranted 2003-09-06cancelled 2004-08-03
  2. WB3EJAcancelled· A
    HALL III, ARTHUR AMAgranted 1998-07-21cancelled 2003-09-06

Successor callsigns

Callsigns held now by people who previously held W7IMU.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W7IMU, oldest first.

  • CALDWELL, WILBUR H OR
    1988-10-18 → cancelled 2000-10-19
  • HALL III, ARTHUR A WA
    2024-07-24 active