Thanks for reply, guys!
But let me tell you all the story so it will be more precise what I actually need.
I'm interested to watch the main Russian, Italian and the 2 Armenian channels. E.g.
1. _http://www.armtv.com/first/eng/?sub=receive here you see the official web of H1 (Armenian TV) with instructions how to receive it, but when I put frequency 12597, Polarization V and S/R 27500 it does not show any signal/channel.
2. Same for the Shant TV _http://www.shanttv.com/ with 11034 V 27500 does not show any signal.
3. Some of the Italian channels (e.g. Rai 1, 2, 3, ...)and Russian ones (e.g. RTR, ORT, etc.) are also impossible to get back .
But I was watching all these channels (except Shant that appeared now) for a long time, but then they just started to disappeare one after another (it was not in one day so that I could think it was because of a wind or other cause).
On the other side, there are plenty of Arabic, Italian and other channels of HotBird that I can watch without problem.
I hope now my problem is more understandable and you could provide more exact suggestion how to overcome this challenge.
P.S. My antenna is on the roof of our building and to go up there one needs to call a spacial service that has all the authorizations to do that and when I called an agency to get their service to get the channels back, they told me they should go up and see the antenna (only that operations costs more then 400 euros), so I'm trying to understand does it worth to pay for this service or not.