Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5QDT callsign genealogy
Currently held by BABB, DAVID 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 W5QDT's current licensee, walking backwards.
- BABB, DAVID RTXgranted 2016-11-07cancelled 2017-01-28
Successor callsigns
Callsigns held now by people who previously held W5QDT.
No current licensee on record previously held this callsign.