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

WB2BTO callsign genealogy

Currently held by SLASKI, EDWARD R

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 WB2BTO's current licensee, walking backwards.

  1. K2ERScancelled· E
    Slaski, Edward RPAgranted 2001-06-29cancelled 2006-07-07

Successor callsigns

Callsigns held now by people who previously held WB2BTO.

  1. K2ERScancelled· E
    Slaski, Edward RPAgranted 2001-06-29cancelled 2006-07-07

All historical holders

Every license row we've seen with the callsign WB2BTO, oldest first.

  • SLASKI, EDWARD R NJ
    1992-12-08 → cancelled 2001-06-29
  • SLASKI, EDWARD R PA
    2016-05-24 active