This afternoon somebody was transmitting for several times the following message in ROS 14106:
"pse do not use Olivia channel frequencies. With you 2200 hz wide signal you qrm 3 Olivia channels 1000 hz wide or 5 Olivia channels 500 hz wide.You are also" I have to say to this person, that Washl Functions are the most inneficient way of spread the spectrum (it was used for the first time in NASA Viking Proyect because Viterbi Algorithm was not invented yet). Each people is free of use ROS into 2700 Hz bands plans.