- Oct 14, 2020
Similar mast systems are already operational
Since when LRDE started developing communication system.Similar mast systems are already operational
View attachment 80362
View attachment 80363
The one above is already deployed with BFSR-MR ( and possibly similiar masts for LORROS also exists )
And I read the additional materials posted from the tender in the twitter thread. It mentions a 5 m main reflector , a sub reflector , a feed horn and a mirror mechanism .
View attachment 80366
This indicates a cassegrain antenna which is generally used for satellite communications , but is also used for land communication .
Using a elevating mast for cassegrain antenna doesn't make sense if it is for satellite communication , therefore It could be for land communication over long distances because such antennas have good directivity and low loss .
Now comes the intriguing part , the docs mentions a mirror assembly which is located behind the main reflector and the feed horn is positioned perpendicular to it ( also behind the main reflector ).
View attachment 80367
AFAIK In a cassegrain antenna the feed horn lies directly behind the main antenna along the axis of the sub reflector. The introduction of the mirror mechanism and shifting of the feed horn away doesn't make sense and for what ?
Is it for some kind of system for optical transmission ? I don't know. Feed horn is mentioned , but what kind is omitted . AFAIK Optical feed horns exists.
I don't have enough knowledge to comment on the same.
Eh?not possible IMHO iskander is a quasi ballastic missile and barack 8 missiles do not hve speed to intercept the missiles
I gave my views based on the tender material . Which lab is doing what , I am not concerned . And what I wrote is a best guess from me and I could easily be wrong.Since when LRDE started developing communication system.
Good read regarding optical horn antennas.I gave my views based on the tender material . Which lab is doing what , I am not concerned . And what I wrote is a best guess from me and I could be wrong also.
Just for the sake of discussion
You could ask why would lrde a radar establishment would come up with something like this for a radar ?
View attachment 80370
Do you know of any radar which has a mirror mechanism along the focal axis of an antenna and the feed horn aligned perpendicular to the focal axis behind the main reflector ? ( If the feed horn is behind the cassegrain antenna , it lies axially along the focal axis ).
I personally know of none, not much into these radars, amateurish knowledge at best.
Anyways it could be for communication , or for testing or for calibration or a radar ( which I personally doubt )
But I will be happy to be proven wrong.
To be fair , I wanted to edit the post , but time to edit had expired.Dual stage? And which missile it will be used.
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