ROS x PSK31

Abaixo segue um trecho do FAQ en inglês do programa

—————————————————————————————–

Q3: What is the average power used in a typical ROS QSO?
 
A: It depend of conditions of each station, distance, propagation, etc… from the test performed Cuba-Twente, we have: 
 Power with ROS16 = Power PSK31 / 5
Power with ROS8 = Power PSK31 / 30
Power with ROS4 = Power PSK31 / 100
 
So, if you usually use 50 watts with PSK31 then you could use: 
 10 watts with ROS16
2 watts with ROS8
0.5 watt with ROS4
 
And if you usually use 100 watts with PSK31 then you could use: 
 20 watts with ROS16
4 watts with ROS8
1 watt with ROS4

—————————————————————————————–

Q4: What Symbol Rate have I to use for TX?
 
A: Again, it will depend on the conditions. If you do not get a response
transmitting with  ROS16, then try with ROS8. And if ROS8 is not enough then
try with ROS4.
 
The other option is increase the power, obviously, but ROS philosophy is QRP
communications.
 
My advise is that when propagation is closed “apparently” for other modes (dark
night) you should try directly ROS8 or ROS4 instead of ROS16 for long path
communications.