Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB4JDL callsign genealogy
Currently held by Lasley, Jeffrey 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 WB4JDL's current licensee, walking backwards.
- Lasley, Jeffrey DTNgranted 2014-10-20cancelled 2014-11-07
Successor callsigns
Callsigns held now by people who previously held WB4JDL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB4JDL, oldest first.
- SCHWARTZ, PETER D FL1990-08-07 → cancelled 2002-08-08
- Lasley, Jeffrey D TN2014-11-07 active