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

AD7ST callsign genealogy

Currently held by PALMER, DANIEL A

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 AD7ST's current licensee, walking backwards.

  1. KT7DATcancelled· E
    PALMER, DANIEL AUTgranted 2011-12-20cancelled 2013-05-29
  2. KF7SXUcancelled· G
    PALMER, DANIEL AUTgranted 2011-12-01cancelled 2011-12-20

Successor callsigns

Callsigns held now by people who previously held AD7ST.

  1. NF7Iactive· E
    SPURRELL, JOSH JWAgranted 2020-06-09

All historical holders

Every license row we've seen with the callsign AD7ST, oldest first.

  • Spurrell, Josh J WA
    2006-04-05 → cancelled 2010-07-30
  • PALMER, DANIEL A UT
    2023-03-21 active