Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB4SRW callsign genealogy
Currently held by PROPST, DAVID R
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 WB4SRW's current licensee, walking backwards.
- PROPST, DAVID RNCgranted 2011-09-06cancelled 2011-09-24
Successor callsigns
Callsigns held now by people who previously held WB4SRW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB4SRW, oldest first.
- PROPST, DAVID R NC1996-06-10 → cancelled 2008-06-11
- PROPST, DAVID R NC2022-06-11 active