Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0ROO callsign genealogy
Currently held by MC CONNELL, ROBERT B
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 W0ROO's current licensee, walking backwards.
- KE0GVDcancelledJarbalo Amateur Radio AssociationKSgranted 2015-12-01cancelled 2015-12-25
Successor callsigns
Callsigns held now by people who previously held W0ROO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0ROO, oldest first.
- MC CONNELL, ROBERT B KS2004-11-19 → cancelled 2013-12-24
- Jarbalo Amateur Radio Association KS2025-12-10 active