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

KB1DD callsign genealogy

Currently held by ELWELL, FREDERICK C

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 KB1DD's current licensee, walking backwards.

  1. KB1DMDcancelled· E
    DeLap, Diane MNHgranted 2021-06-22cancelled 2023-03-28
  2. KC1PHBcancelled· G
    DeLap, Diane MNHgranted 2021-05-11cancelled 2021-06-22

Successor callsigns

Callsigns held now by people who previously held KB1DD.

  1. K1OGQactive· E
    DeLap, Diane MNHgranted 2024-01-20
  2. W4XRXexpired· A
    ELWELL, FREDERICK CFLgranted 1999-02-11cancelled 2011-02-12

All historical holders

Every license row we've seen with the callsign KB1DD, oldest first.

  • DeLap, Diane M NH
    2023-03-28 → cancelled 2024-01-20
  • ELWELL, FREDERICK C
    — → cancelled 1999-02-11
← Back to KB1DD License history →