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

WR0B callsign genealogy

Currently held by LUM, HARRY E

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 WR0B's current licensee, walking backwards.

  1. KD0KYCcancelled· E
    Blankenship, William RIAgranted 2010-03-09cancelled 2010-06-02
  2. KD0KPZcancelled· G
    Blankenship, William RIAgranted 2010-03-09cancelled 2010-03-30

Successor callsigns

Callsigns held now by people who previously held WR0B.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WR0B, oldest first.

  • LUM, HARRY E NE
    1999-03-31 → cancelled 2010-05-07
  • Blankenship, William R IA
    2022-05-28 active
← Back to WR0B License history →