Re: [time-nuts] 8 bps

2010-11-13 Thread jimlux
wa1...@att.net wrote: Hi Jim, Is BPSK the modulation used on such an 8bps link for DSN? BPSK, typically with a lot of residual carrier. And, at slow rates, the data is modulated on a (e.g. 16 kHz) subcarrier, which is then phase modulated on the main carrier with a mod index to create the d

[time-nuts] 8 bps

2010-11-13 Thread wa1...@att.net
Hi Jim, Is BPSK the modulation used on such an 8bps link for DSN? If so, any idea what limit of C/N is used? And in what BW? My interest in short-term stability has always been for more DX on the mm-wave ham bands. My best results were running QRSS with <1Hz BW on 241GHz but have often wond