Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2JDS callsign genealogy
Currently held by Simpson, Jacob
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 K2JDS's current licensee, walking backwards.
- Simpson, JacobCOgranted 2019-10-17cancelled 2019-11-13
Successor callsigns
Callsigns held now by people who previously held K2JDS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K2JDS, oldest first.
- SHEPPARD, JEANNETTE P NY2001-05-15 → cancelled 2013-05-16
- Simpson, Jacob CO2019-11-13 active