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

W1OS callsign genealogy

Currently held by ROBERTS III, RICHARD

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 W1OS's current licensee, walking backwards.

  1. N1ZSactive· E
    Miller, Ashley ANJgranted 2023-06-02
  2. KB7ASHcancelled· E
    Miller, Ashley ANJgranted 2017-11-17cancelled 2023-06-02
  3. KC3FCWcancelled· G
    Miller, Ashley ANJgranted 2015-06-16cancelled 2017-11-17
  4. KC2ZBNcancelled· G
    Miller, Ashley AMDgranted 2010-08-17cancelled 2015-06-16

Successor callsigns

Callsigns held now by people who previously held W1OS.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W1OS, oldest first.

  • ROBERTS III, RICHARD NY
    2006-10-31 → cancelled 2018-11-16
  • FEHNEL, DAVID M CT
    2018-12-04 active
← Back to W1OS License history →