Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA5JUN callsign genealogy
Currently held by Duplechine, James R
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 KA5JUN's current licensee, walking backwards.
- Duplechine, James RLAgranted 2023-10-14cancelled 2024-11-15
Successor callsigns
Callsigns held now by people who previously held KA5JUN.
No current licensee on record previously held this callsign.