[Xastir] How to prevent Xastir from sending bad WX data

[clayj at nwlink.com]

I've got a Davis WMII connected to Xastir via a socket; and occasionally,
the system that feeds Xastir will drop the socket connection.

My problem is that Xastir continues to send weather data using the last
values, until I find and correct the problem; which, in some cases might
be several hours or even a day or two.

Is there any way to keep Xastir from transmitting the WX data if it sees
the Weather Station interface "go away"?

Thanks!

Clay
N7QNM