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

W3RO callsign genealogy

Currently held by ROSE, FRANK L

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 W3RO's current licensee, walking backwards.

  1. W3OWUactive
    Mobile Amateur Radio ClubMDgranted 2019-01-31
  2. KB3SNDcancelled
    Mobile Amateur Radio ClubMDgranted 2009-03-25cancelled 2009-04-21

Successor callsigns

Callsigns held now by people who previously held W3RO.

No current licensee on record previously held this callsign.

← Back to W3RO License history →