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

W7CD callsign genealogy

Currently held by ZANTEK, JOHN

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 W7CD's current licensee, walking backwards.

  1. KE7Bactive· E
    PHILIPSON, ERIK BWAgranted 2020-08-18
  2. N7EBPcancelled· E
    PHILIPSON, ERIK BWAgranted 2020-07-24cancelled 2020-08-18
  3. KJ7OVOcancelled· G
    Philipson, Erik BWAgranted 2020-06-29cancelled 2020-07-24

Successor callsigns

Callsigns held now by people who previously held W7CD.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W7CD, oldest first.

  • FARNWORTH, ROBERT L WA
    2007-11-10 → cancelled 2016-07-09
  • ZANTEK, JOHN WA
    2018-07-28 active