Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB8JU callsign genealogy
Currently held by Schweitzer, Ronald J
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 AB8JU's current licensee, walking backwards.
- Schweitzer, Ronald JOHgranted 1996-07-31cancelled 2001-02-05
Successor callsigns
Callsigns held now by people who previously held AB8JU.
No current licensee on record previously held this callsign.