Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WI4DLB callsign genealogy
Currently held by Bishop, David L
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 WI4DLB's current licensee, walking backwards.
- Bishop, David LNCgranted 2006-10-27cancelled 2006-12-05
Successor callsigns
Callsigns held now by people who previously held WI4DLB.
- Bishop, David LNCgranted 2016-10-12cancelled 2016-11-11