CWJ VHF Sunday Night Net is named for Arthur Vorpahl/WB0CWJ.   
He is who the Sunday night nets are named for.
His call sign suffix is  CWJ.

The Sunday night nets are 
VHF 2m FM on 146.850 -600 kHz  at 8pm Central time
VHF 2m SSB on 144.200 MHz USB simplex after 2m FM net
6m SSB net on 50.125 MHz USB after 2m SSB