My satellite data reception is monitored using MRTG Multi Router Traffic Grapher with help from David Taylor's Site regarding the scripts using Perl.
Signal to Noise Ratio (Has a diurnal change, and dips in heavy rain)
David Taylor's European SNR page (Useful to see if everyone is receiving OK or not!!)
Bitrate Traffic Analysis (Incoming Traffic in Bits/sec)
Tellicast Statistics (Missed and Recovered Packets received)