Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4BOB callsign genealogy
Currently held by JORDAN, ROBERT H
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 W4BOB's current licensee, walking backwards.
- FERGUSON, ROBERT FCAgranted 2001-09-28cancelled 2011-09-30
Successor callsigns
Callsigns held now by people who previously held W4BOB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4BOB, oldest first.
- JORDAN, ROBERT H TN2006-09-08 → cancelled 2009-09-10
- FERGUSON, ROBERT F CA2021-07-20 active