Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE0JDU callsign genealogy
Currently held by ULMER, JORDAN 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 KE0JDU's current licensee, walking backwards.
- ULMER, JORDAN DIAgranted 2015-09-10cancelled 2015-11-07
Successor callsigns
Callsigns held now by people who previously held KE0JDU.
No current licensee on record previously held this callsign.