Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD4OTR callsign genealogy
Currently held by MASSENGILL, ROCKY J
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 WD4OTR's current licensee, walking backwards.
- Massengill, Rocky JNCgranted 2016-06-24cancelled 2016-08-09
Successor callsigns
Callsigns held now by people who previously held WD4OTR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WD4OTR, oldest first.
- SMITH, WILFRED F FL1989-08-15 → cancelled 2001-08-16
- MASSENGILL, ROCKY J VA2026-07-29 active