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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

W3PUP callsign genealogy

Currently held by CHESTER III, JOHN E

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 W3PUP's current licensee, walking backwards.

  1. KC3WEZcancelled· T
    Cephas, CeceliaDEgranted 2023-06-03cancelled 2023-06-23

Successor callsigns

Callsigns held now by people who previously held W3PUP.

  1. WN3Kcancelled
    Club FredDEgranted 2024-09-24cancelled 2026-04-17

All historical holders

Every license row we've seen with the callsign W3PUP, oldest first.

  • CHESTER III, JOHN E PA
    1997-02-20 → cancelled 2009-02-21
  • Club Fred DE
    2012-12-18 → cancelled 2014-12-13
  • Cephas, Cecelia DE
    2023-06-23 active
← Back to W3PUP License history →