Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4RJW callsign genealogy
Currently held by WILLIAMS JR, BOBBY J
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 W4RJW's current licensee, walking backwards.
- WHITINGER, ROBERT JTNgranted 2005-08-30cancelled 2012-09-22
Successor callsigns
Callsigns held now by people who previously held W4RJW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4RJW, oldest first.
- WILLIAMS JR, BOBBY J GA1999-12-21 → cancelled 2011-12-22
- WHITINGER, ROBERT J FL2022-10-20 active