Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4DR callsign genealogy
Currently held by RUMLEY JR, CARLYLE D
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 AI4DR's current licensee, walking backwards.
- RUMLEY JR, CARLYLE DNCgranted 1999-08-05cancelled 2000-09-01
Successor callsigns
Callsigns held now by people who previously held AI4DR.
No current licensee on record previously held this callsign.