Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9JDL callsign genealogy
Currently held by LAWRENZI, JAMES 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 K9JDL's current licensee, walking backwards.
- LAWRENZI, JAMES DMOgranted 2019-12-18cancelled 2020-01-17
Successor callsigns
Callsigns held now by people who previously held K9JDL.
No current licensee on record previously held this callsign.