Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3JDJ callsign genealogy
Currently held by Jacobs, James 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 K3JDJ's current licensee, walking backwards.
- Jacobs, James DPAgranted 2012-01-23cancelled 2012-04-03
Successor callsigns
Callsigns held now by people who previously held K3JDJ.
No current licensee on record previously held this callsign.