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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KM9T callsign genealogy

Currently held by KLEIN, WILLIAM 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 KM9T's current licensee, walking backwards.

  1. AB9RCcancelled· E
    Klein, William CWIgranted 2008-01-15cancelled 2010-05-28
  2. AB9PXcancelled· E
    Klein, William CWIgranted 2007-05-29cancelled 2008-01-15
  3. KC9LRGcancelled· E
    Klein, William CWIgranted 2007-05-29cancelled 2007-11-26

Successor callsigns

Callsigns held now by people who previously held KM9T.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KM9T, oldest first.

  • Du Kate, Dale A FL
    2003-06-13 → cancelled 2008-03-21
  • KLEIN, WILLIAM C WI
    2020-04-20 active
← Back to KM9T License history →