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

W9PH callsign genealogy

Currently held by RABIN, DAVID N

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 W9PH's current licensee, walking backwards.

  1. WB0OKcancelled· E
    HARSHBARGER, THOMAS WMOgranted 2018-07-17cancelled 2018-08-04
  2. AI0Factive· E
    Sakabe, JunCOgranted 2020-08-07
  3. W0JUNcancelled· E
    Sakabe, JunCOgranted 2020-07-10cancelled 2020-08-07
  4. KF0APNcancelled· G
    Sakabe, JunCOgranted 2020-06-22cancelled 2020-07-10

Successor callsigns

Callsigns held now by people who previously held W9PH.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W9PH, oldest first.

  • RANSON, RICHARD R WI
    1988-11-15 → cancelled 2000-11-16
  • RABIN, DAVID N IL
    2021-01-06 active
← Back to W9PH License history →