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

K7COW callsign genealogy

Currently held by SHARP SR, THOMAS J

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 K7COW's current licensee, walking backwards.

  1. WA8TYBcancelled· G
    SHARP SR, THOMAS JORgranted 1997-06-03cancelled 2000-04-04

Successor callsigns

Callsigns held now by people who previously held K7COW.

No current licensee on record previously held this callsign.