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

K1SPY callsign genealogy

Currently held by Grusby, Al

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 K1SPY's current licensee, walking backwards.

  1. WF9Nactive· E
    MC MONIGAL, ANDRU JINgranted 2023-10-03
  2. KE8FHBcancelled· E
    MC MONIGAL, ANDRU JINgranted 2016-10-25cancelled 2023-10-03

Successor callsigns

Callsigns held now by people who previously held K1SPY.

  1. K0SPYcancelled· E
    WILBER, JOHN JCOgranted 2014-04-04cancelled 2021-02-09

All historical holders

Every license row we've seen with the callsign K1SPY, oldest first.

  • WILBER, JOHN J CO
    2007-08-24 → cancelled 2014-04-04
  • Grusby, Al MA
    2021-02-02 active
← Back to K1SPY License history →