OK, Thanks for your answer :) LA5VNA Steinar
On 03.08.2010 07:06, Tony wrote: > Steinar, > > I've been monitoring ROS on-the-air and I've done some testing with the > HF path simulator. In my opinion, it's about as good as one would expect > from an MFSK mode with a relatively slow baud rate. Tests show that it > will outperform RTTY and PSK31 in poor channel conditions (most MFSK > modes do) but it does not appear to be as robust as Olivia. > > For example, it is less tolerant to Doppler spreading than Olivia so > it's less likely to do well when the ionosphere disturbed. This is > especially true for polar paths and the low-latitude ionosphere where > Doppler spread is more of an issue. > > While the mode performs well over HF, the additional bandwidth doesn't > appear to have any throughput advantage over other modes that use less > spectrum. In fact, path simulations indicate that there is no difference > in throughput between ROS 500/16 and ROS 2250/16. > > Tony -K2MO >
