Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WW4RS callsign genealogy
Currently held by Shimp, Robert D
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 WW4RS's current licensee, walking backwards.
- Shimp, Robert DFLgranted 2012-01-06cancelled 2012-04-13
Successor callsigns
Callsigns held now by people who previously held WW4RS.
No current licensee on record previously held this callsign.