That's a No .. You would need to run VirtualVP to offer separate ports. The problem is that VirtualVP does not support firmware above 1.90 (AFAIK) and since you have a new Davis system, VirtualVP wouldn't work with it. Sorry...
The VSPE software just provides a 'null modem' connection between two serial ports (a pair). I use it with VirtualVP (and my old VP1+ console) to map pairs like COM5-COM15, COM6-COM16 (etc) and VirtualVP offers COM15, COM16 (etc) and the weather software connects to COM5, COM6 etc.
So, with your new firmware, you won't be able to run more than one weather software at a time
