Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4PRE callsign genealogy
Currently held by JACKSON JR, JOHN M
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 KA4PRE's current licensee, walking backwards.
- Jackson Jr, John MTNgranted 2010-03-18cancelled 2010-04-10
Successor callsigns
Callsigns held now by people who previously held KA4PRE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA4PRE, oldest first.
- JACKSON JR, JOHN M TN1988-05-24 → cancelled 2000-05-25
- Jackson Jr, John M TN2020-02-12 active