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

KV9M callsign genealogy

Currently held by SIELICKI, THOMAS

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 KV9M's current licensee, walking backwards.

  1. W9JEJcancelled· E
    SIELICKI, THOMASWIgranted 2017-09-19cancelled 2017-11-14
  2. KD9JEJcancelled· G
    SIELICKI, THOMASWIgranted 2017-08-22cancelled 2017-09-19

Successor callsigns

Callsigns held now by people who previously held KV9M.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KV9M, oldest first.

  • ARNOLD, MATTHEW A IL
    2005-08-01 → cancelled 2017-10-27
  • SIELICKI, THOMAS WI
    2017-11-14 active