Doug, Thank you for confirming that atmospherics will cause more than a 2 dB difference in the received signal. John ----- Original Message ----- From: "Doug McDonald" <mcdonald@xxxxxxxxxxxx> > Typically the > S/N on the receiver is in the 16.5-18 dB range. The failures > start when it starts dropping below 16 dB into the middle > 15s. ---------------------------------------------------------------------- You can UNSUBSCRIBE from the OpenDTV list in two ways: - Using the UNSUBSCRIBE command in your user configuration settings at FreeLists.org - By sending a message to: opendtv-request@xxxxxxxxxxxxx with the word unsubscribe in the subject line.