Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5DTB callsign genealogy
Currently held by Bishop, Daren
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 W5DTB's current licensee, walking backwards.
- Bishop, DarenTXgranted 2016-12-07cancelled 2016-12-28
Successor callsigns
Callsigns held now by people who previously held W5DTB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5DTB, oldest first.
- WATSON, MARVIN W TX1996-05-06 → cancelled 2008-05-07
- Bishop, Daren TX2016-12-28 active