Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4JDD callsign genealogy
Currently held by DEMERS, JEFFREY 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 KA4JDD's current licensee, walking backwards.
- DEMERS, JEFFREY DVAgranted 2012-02-23cancelled 2020-12-04
Successor callsigns
Callsigns held now by people who previously held KA4JDD.
No current licensee on record previously held this callsign.