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Confidence: Medium · Source: FCC ULS · As of 2026-09-11

KB7PI callsign genealogy

Currently held by OLMSTED, LYLE D

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 KB7PI's current licensee, walking backwards.

  1. K7LDOcancelled· A
    OLMSTED, LYLE DWAgranted 2006-03-11cancelled 2008-12-12

Successor callsigns

Callsigns held now by people who previously held KB7PI.

  1. K7LDOcancelled· A
    OLMSTED, LYLE DWAgranted 2006-03-11cancelled 2008-12-12
  2. WC4ACcancelled· A
    OLMSTED, LYLE DKYgranted 2003-08-07cancelled 2003-09-16

All historical holders

Every license row we've seen with the callsign KB7PI, oldest first.

  • OLMSTED, LYLE D WA
    1999-09-21 → cancelled 2003-08-07
  • OLMSTED, LYLE D WA
    2003-09-16 → cancelled 2006-03-11
  • OLMSTED, LYLE D WA
    2018-09-19 active