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

K9ALT callsign genealogy

Currently held by GARDNER, GLENN S

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 K9ALT's current licensee, walking backwards.

  1. W0CVRcancelled· A
    GARDNER, GLENN SMOgranted 2014-07-22cancelled 2018-12-11

Successor callsigns

Callsigns held now by people who previously held K9ALT.

  1. W0CVRcancelled· A
    GARDNER, GLENN SMOgranted 2014-07-22cancelled 2018-12-11

All historical holders

Every license row we've seen with the callsign K9ALT, oldest first.

  • GARDNER, GLENN S MO
    2009-01-06 → cancelled 2014-07-22
  • GARDNER, GLENN S WI
    2018-12-11 active
← Back to K9ALT License history →