Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD4ROB callsign genealogy
Currently held by Stimsonreed, Robert L
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 WD4ROB's current licensee, walking backwards.
- Berkley, Robert AFLgranted 2024-08-10cancelled 2024-10-01
Successor callsigns
Callsigns held now by people who previously held WD4ROB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WD4ROB, oldest first.
- KELCHAK, JOSEPH A MD1997-09-29 → cancelled 2009-09-30
- Stimsonreed, Robert L FL2011-09-16 → cancelled 2023-09-19
- Berkley, Robert A FL2024-10-01 active