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

AC5DM callsign genealogy

Currently held by PUMPHREY, JOHN L

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 AC5DM's current licensee, walking backwards.

  1. N5VDMcancelled· E
    MCCAIN, VAN DLAgranted 2007-03-16cancelled 2010-04-06
  2. KE5MFDcancelled· G
    McCAIN, VAN DLAgranted 2007-01-30cancelled 2007-03-16

Successor callsigns

Callsigns held now by people who previously held AC5DM.

  1. WF5Iactive· E
    PUMPHREY, JOHN LMSgranted 2021-03-11

All historical holders

Every license row we've seen with the callsign AC5DM, oldest first.

  • PUMPHREY, JOHN L MS
    2001-02-02 → cancelled 2001-04-06
  • MCCAIN, VAN D LA
    2020-02-03 active
← Back to AC5DM License history →