What Snow?

[cyberham]

It seems C-band is better in the snow as well as the rain judging by these pics. My 4-foot Fortec kept receiving ARCS from 139W at 7.0 dB even though it had a little snow on the dish/LNBF. The Ku dish stopped receiving.

Ku-dish (left) and C dish (right)


Ku Dish


C Dish

 

[telstar_1]

C-band is much less susceptible to precipitative attenuation than is Ku. It was originally chosen for sat and terrestrial links because of its rain stability. Thus a better ability to get past snow buildup doesn't surprise me.

 

[Borisov-54]

The Ku dish stopped receiving.

And to have a good signal in Ku, put a plastic visor on the antenna. It has been tested, in snow and rain the signal is not 100 percent, but you can watch. If the antenna was higher from the ground, there would be less snow.

 

[cyberham]

And to have a good signal in Ku, put a plastic visor on the antenna. It has been tested, in snow and rain the signal is not 100 percent, but you can watch. If the antenna was higher from the ground, there would be less snow.

Good to know. This snowfall was quite unusual here. Snow is not normally an issue at my location so it's a novelty. Brushing the snow off immediately restored good operation of the Ku dish. I like the dish very close to ground so I can sit on a chair while tweaking the LNB, especially on C-band.