. First page Back Continue Last page Summary Graphics . 7 beams x 2 polarizations x 300 MHz . 3; 8 bit samples . 1024 spectral channels ( 0.3 MHz) . Spectral normalization (Sn / Sn - 1) . Polarizations summed . Selectable output bits (2, 4, 8 ?) . 64 ms dump times . Selectable polyphase filter shapes . Selectable number of channels . Subbanding (~100 MHz, variable overlap) . Selectable dumptimes (e.g. 4-256 ms) .