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

KD7STH callsign genealogy

Currently held by Archer, Paul 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 KD7STH's current licensee, walking backwards.

  1. KE7NXDcancelled· T
    Archer, Paul JWAgranted 2007-06-22cancelled 2007-07-21

Successor callsigns

Callsigns held now by people who previously held KD7STH.

  1. AD7AGcancelled· E
    Buttars, David BUTgranted 2002-09-26cancelled 2004-07-24

All historical holders

Every license row we've seen with the callsign KD7STH, oldest first.

  • Buttars, David B UT
    2002-09-26 → cancelled 2003-10-09
  • Archer, Paul J WA
    2017-05-01 active
← Back to KD7STH License history →