Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0SUU callsign genealogy
Currently held by ALTOBELL, JOSEPH 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 W0SUU's current licensee, walking backwards.
- SCHNEIDER, PAUL FMOgranted 2005-02-17cancelled 2007-06-29
Successor callsigns
Callsigns held now by people who previously held W0SUU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0SUU, oldest first.
- ALTOBELL, JOSEPH R MN1988-12-27 → cancelled 2000-12-28
- SCHNEIDER, PAUL F MO2017-04-11 active