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

W9MCP callsign genealogy

Currently held by McPherson, Sean 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 W9MCP's current licensee, walking backwards.

  1. W2MCPcancelled· T
    Mcpherson, Sean LINgranted 2014-12-30cancelled 2015-01-17
  2. KD9CRMcancelled· T
    Mcpherson, Sean LINgranted 2014-12-11cancelled 2014-12-30

Successor callsigns

Callsigns held now by people who previously held W9MCP.

No current licensee on record previously held this callsign.

← Back to W9MCP License history →