Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0SLR callsign genealogy
Currently held by ROCHELEAU, SANDRA L
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 W0SLR's current licensee, walking backwards.
- Books, Irvin IMOgranted 2009-12-29cancelled 2010-02-02
Successor callsigns
Callsigns held now by people who previously held W0SLR.
- ROCHELEAU, SANDRA LCAgranted 2014-01-25cancelled 2026-04-18
All historical holders
Every license row we've seen with the callsign W0SLR, oldest first.
- ROCHELEAU, SANDRA L CA2000-04-18 → cancelled 2004-04-17
- Books, Irvin L AR2019-12-10 active