Penguin

Signal to Noise Ratio (SNR).

A unitless measurement of the information available in a certian band, such as Signal (in dB) over noise (in dB) for a RF band.

Also used (loosely) when referring to public forums, with useful posts per not-so-useful post.

lib/main.php:944: Notice: PageInfo: Cannot find action page

lib/main.php:839: Notice: PageInfo: Unknown action