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

W2SL callsign genealogy

Currently held by RATTZ, WAYNE O

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 W2SL's current licensee, walking backwards.

  1. AC4SFcancelled· E
    RATTZ, WAYNE OFLgranted 2002-06-04cancelled 2007-10-16
  2. KO4XA
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held W2SL.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W2SL, oldest first.

  • CHAMBERLIN, JACQUES G NY
    2004-11-29 → cancelled 2005-07-29
  • RATTZ, WAYNE O FL
    2017-07-26 active