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

WW0L callsign genealogy

Currently held by Thompson, Dean 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 WW0L's current licensee, walking backwards.

  1. W0NWTcancelled· E
    Mehlhoff, David HSDgranted 2018-10-23cancelled 2019-03-05
  2. KB0YXZcancelled· G
    Mehlhoff, David HSDgranted 2006-08-16cancelled 2008-12-20

Successor callsigns

Callsigns held now by people who previously held WW0L.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WW0L, oldest first.

  • Thompson, Dean R AL
    2007-01-10 → cancelled 2019-02-13
  • Mehlhoff, David H SD
    2019-03-05 active
← Back to WW0L License history →