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Guys after try with the omni over the vessel I would like to try with a traking antenna system. I known that there is a lot of this for aeromodelling. Can you advise me of some system ?

Hi Higgler. I have to tell you that I sign in here because I read this from you... "The circular polarization thing works worst mathematically at around 6 degrees incidence angle since all of the vertical polarization energy is absorbed at that angle by a flat ocean. Hence if you send circular...

Thanks everybody for the advise. I´m interesting in "ducting" how could I known which is the best hi to install the antenna. It is a good choise to use a 900MHz system entead of a 2.4GHz or 5.8GHz?? what about freznel zone or multipath...I guess I will learn a lot trying to do this...

Do you known about a more directional antenna on 900MHz? I can´t find anything over 14 dBi

I want to use a 8 dBi gain antenna over the vessel and a 14 dBi Yagy antenna. I ´m going to use ubiquiti xr9 with 28 dBm of output....What about multipat...??

Above 20dB over signal sensibility...

Hello, I want to try a point-multipoint link in 900MHz over water. I known about the problem of multipath and the implementation of circular polarization is not an option because the small angle. The good thing is that I can put one antenna over a Buildin at 100mts hi and the vessel is also hi...