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

N6PH callsign genealogy

Currently held by WHITMORE, ROBERT A

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 N6PH's current licensee, walking backwards.

  1. KI6BTZcancelled· E
    Higgins, Peter SCAgranted 2005-12-16cancelled 2006-03-11

Successor callsigns

Callsigns held now by people who previously held N6PH.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N6PH, oldest first.

  • WHITMORE, ROBERT A CA
    1997-08-07 → cancelled 2001-02-03
  • HIGGINS, PETER S CA
    2016-01-15 active