St Charles 575 is a club for licensed GMRS “hobbyists” that enjoy using GMRS airwaves to communicate with others. The St Charles 575 is a repeater located in Weldon Springs, St Charles County, Missouri. It uses the GMRS frequency of 462.575000 with an offset/TX Freq + 5.000000, tone squelch of 136.5 (must be FCC lic to operate on the repeater). Daily there are members communicating with each other, anyone is free to join the conversation. Permission is required to use the repeater from the owner WRMA779.