Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4WRJ callsign genealogy
Currently held by CHRISTIAN, CALVIN 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 W4WRJ's current licensee, walking backwards.
- Wilkinson, Robert JFLgranted 2014-05-19cancelled 2015-01-27
Successor callsigns
Callsigns held now by people who previously held W4WRJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4WRJ, oldest first.
- CHRISTIAN, CALVIN B VA1997-10-14 → cancelled 2001-06-09
- Wilkinson, Robert J FL2025-02-04 active