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

WW0P callsign genealogy

Currently held by MC CAFFERTY, JAMES S

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 WW0P's current licensee, walking backwards.

  1. KJ7NXFcancelled· E
    MIGHT, JOHN PUTgranted 2020-05-12cancelled 2020-06-16

Successor callsigns

Callsigns held now by people who previously held WW0P.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WW0P, oldest first.

  • MC CAFFERTY, JAMES S NE
    2009-04-22 → cancelled 2018-05-27
  • MIGHT, JOHN P UT
    2020-06-16 active