On Wed, 19 Aug 2009 19:04:35 +0000, Larry wrote:

My captain didn't like the USB cord dangling off the chart table, so I
wifi'd the whole system using a Webfoot RS232 (close enough) to Ethernet
adapter on the serial port of the boat's Noland NMEA multiplexer.

Cool. Sounds like you need 2 WebFoot adapters unless you have a
multiplexer with ethernet out? Is there a provision for multiple
listeners on the same ethernet data stream, using multiple Webfoot
adapters?