Pity it is a proprietary software . I can't use it in Norway.

73 de LA5VNA Steinar





On 01.05.2010 15:32, graham787 wrote:
> FIRST QSO ON 500KHz USING   ROS  30 April 
>
> First qso  on 500  KHz using ros , G0NBD and  G4WGT , initially using  500/16 
> and then eme , reducing tx power , the level  that the  eme mode started to 
> fail was in technical terms `just silly'  reducing the  tx to  3  watts  
> carrier  power then  via a 20 dB attenuator  down to  30  mW to  a 35 ft top 
> loaded Ae that  needs round  50/75  watts  to  produce 100 mW  erp , ie 
> approx 500 : 1  reduction  …….. reception 30  miles away  by a  similar Ae , 
> then  produced 100 % copy  , depending on local noise level … 
>
> Later in the  evening , M0BMU called G0NBD  at  500/8  , a range of 200  
> miles , then follower at  100% qso  over  some  30  mins  ending  round  0010 
> local  time , one final tx  at 500/16 was also  100% decode , even in deep  
> QSO , to  the  point of no audio  from the  speaker,  the  mode remained in 
> lock and kept printing , each station  running  100  watts. 
>
> Outstanding  mode Jose !
>
> 73 – G .. 
>
>
>
>   



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