Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KJ2DOC callsign genealogy
Currently held by Lang, Jeffrey J
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 KJ2DOC's current licensee, walking backwards.
- Lang, Jeffrey JNYgranted 2016-03-04cancelled 2019-06-08
Successor callsigns
Callsigns held now by people who previously held KJ2DOC.
No current licensee on record previously held this callsign.