Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DRP callsign genealogy
Currently held by Proehl, Darrin 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 W4DRP's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W4DRP.
- Proehl, Darrin RVAgranted 2024-12-06
All historical holders
Every license row we've seen with the callsign W4DRP, oldest first.
- BAER, STUART L NC2007-05-19 → cancelled 2019-05-21
- Proehl, Darrin R VA2020-09-18 → cancelled 2024-12-06