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

W3RBL callsign genealogy

Currently held by SPAN, ROBERT E

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 W3RBL's current licensee, walking backwards.

  1. KC3OGBcancelled· G
    Alexander, Gerald WPAgranted 2019-10-24cancelled 2019-11-13

Successor callsigns

Callsigns held now by people who previously held W3RBL.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W3RBL, oldest first.

  • SPAN, ROBERT E PA
    1996-07-03 → cancelled 2008-07-04
  • Alexander, Gerald W PA
    2019-11-13 active