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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

N0OTB callsign genealogy

Currently held by WIPF, HAROLD 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 N0OTB's current licensee, walking backwards.

  1. KB0IYS
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N0OTB.

No current licensee on record previously held this callsign.

← Back to N0OTB License history →