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Problems in GEONETCAST system design

by survi_aga
Tags: design, geonetcast
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survi_aga
#1
Jun7-10, 06:23 AM
P: 2
This is my first post.. I dont know if I am supposed to post it here..
I am an engineering student and am currently interning at IIRS(ISRO), Dehradun.

Here we are planning to establish a set up to download data from the EumetSat or the FengYunCast. In order to establish the setup the main requirements are


1. Dish Antenna We require a C band dish antenna to receive at a frequency range of 4033.25 4042.25 Mhz (a download central frequency of 4037.75 Mhz) for FengYunCast. It would approximately require an antenna of 2.4m (44.5db).
For the Eumetcast we would require a C band antenna of approximately 5.37m (32db).

2. LNB We would require a LNB of input frequency 3.4 to 4.2 Ghz.

3. DVB PCI Card -- A Digital Video Broadcasting card of frequency Range 950 Mhz to 2150 Mhz and input power level of -65 dBm to -25 dBm. The card should have a symbol rate of 2 Mbps to 45 Mbps.


Could anyone tell me the feasibility of the setup; i.e. whether the setup would actually be able to download data from the AsiaSat 4. Further I also seek your knowledge about the dealers and manufacturers who can provide me with these equipments.

Saurav Agarwala
Geo Informatics Division (GID)
Indian Institute of Remote Sensing
(National Remote Sensing Centre)
4 Kalidas Road
P.B. 135
Dehradun 248001
India
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