Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4JPU callsign genealogy
Currently held by Haskins, Jack S
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 KA4JPU's current licensee, walking backwards.
- Haskins, Jack SVAgranted 2022-06-30cancelled 2022-07-19
Successor callsigns
Callsigns held now by people who previously held KA4JPU.
No current licensee on record previously held this callsign.