uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

W3IVD callsign genealogy

Currently held by BABSON III, WILLIAM 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 W3IVD's current licensee, walking backwards.

  1. N1OTMcancelled· E
    BABSON III, WILLIAM AMDgranted 2015-12-01cancelled 2017-09-01
  2. WA1IVDcancelled· E
    BABSON III, WILLIAM AMDgranted 2007-01-16cancelled 2015-12-01

Successor callsigns

Callsigns held now by people who previously held W3IVD.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W3IVD, oldest first.

  • BAYLIS, BURTON D MD
    1988-02-09 → cancelled 2000-02-10
  • BABSON III, WILLIAM A MD
    2017-09-01 active