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

N6UWB callsign genealogy

Currently held by D APREA, ROBERT B

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 N6UWB's current licensee, walking backwards.

  1. W6UWBcancelled· G
    TOSCH, MICHAEL JCAgranted 2011-04-07cancelled 2021-01-05
  2. KA6ZZLcancelled· G
    TOSCH, MICHAEL JCAgranted 1993-11-02cancelled 2001-06-30

Successor callsigns

Callsigns held now by people who previously held N6UWB.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N6UWB, oldest first.

  • D APREA, ROBERT B CA
    2008-09-23 → cancelled 2020-12-17
  • Tosch, Michael J CA
    2021-01-05 active