Wireless Communications/about DVB-S2 Frequency

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Question
Hi Mr Ali
I have a question
Why DVB-S2 frequencies are more powerful at night.at day thy are weaker than night .
another question is why when the weather getting warmer and hot some frequencies go weaker . this is more tangible about DVB-S2
THANKS ALOT

Answer
Hi

As you know Microwave are sensitive about the density of the Germ. this is because of small wave length we call it λ.

with considering this introduction, understanding the reason of what you asked is much easier.

in the atmosphere we have several layers which have fluctuate density versus position of the sun in the sky.
for your second question,it comes back to the sun's beams which due to the position of the sun in summer is stronger.

considering local conditions also is important, in addition to the mentioned points sum local affection such as humidity or pollution make the result of days&night or seasons effects stronger and more sever.

Best,  

Wireless Communications

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Ali Ahouei

Expertise

I can answer All Questions about VSAT Technology from A to Z included topologies,terrestrial equipment,RF/If Frequencies,astronomical orbits and other stuff. I can answer All Questions about GUL(GSM/UMTS/LTE) Technology from A to Z included topologies,RAN and Core.

Experience

I am a senior Telecommunication Systems Engineer and working for a vsat service provider in my region as a Radio and IDU/ODU designer. Cellular Solution Manager in ZTE.

Organizations
Saman satellite communications Group(Vsat Service provider) ZTE Corporation.(Cellular network-Solution manager)

Publications
WIN Magazin Telco Cloud WiFi Offload

Education/Credentials
Electronics and Telecommunication

Awards and Honors
Best employee in ZTE-DIVII Qatar Office

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