Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD0LAR callsign genealogy
Currently held by Simpson, James 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 KD0LAR's current licensee, walking backwards.
- Simpson, James LCOgranted 2009-03-13cancelled 2009-04-04
Successor callsigns
Callsigns held now by people who previously held KD0LAR.
No current licensee on record previously held this callsign.