Confidence: Medium · Source: FCC ULS · As of 2026-09-09
W8JXT callsign genealogy
Currently held by TUMBUSCH, JOSEPH 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 W8JXT's current licensee, walking backwards.
- TUMBUSCH, JOSEPH MOHgranted 2011-08-12cancelled 2012-09-29
Successor callsigns
Callsigns held now by people who previously held W8JXT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8JXT, oldest first.
- ZARLING, RAYMOND L CA1998-02-25 → cancelled 2010-02-26
- TUMBUSCH, JOSEPH M OH2012-09-29 → cancelled 2024-10-01