Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD1R callsign genealogy
Currently held by ESCOBAR, FREDERICK
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 WD1R's current licensee, walking backwards.
- HALL, CLYDE ATXgranted 2006-07-25cancelled 2012-11-14
Successor callsigns
Callsigns held now by people who previously held WD1R.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WD1R, oldest first.
- ESCOBAR, FREDERICK RI2000-09-28 → cancelled 2012-09-29
- HALL, CLYDE A TX2022-11-15 active