[GRASS-user] help with situational awareness system

[nishith datta]

hi all,
Sorry for reposting. But I didn't get a response from the list , so I
thought maybe the mail never found it's way.
I wish to create a customized GIS to update the locations of different
entities. I think the following approach should work :-
   Store the entities and their locs in a postgres DB.
   Update the locs whenever the same change using some kind of user
interface with postgre.
   Write a script to keep displaying the entities on map display. The script
should run continously.

I wish to know :-
   Do I need to have postGIS enabled for that.
   Is the concept alright and do I need anything else ?
   Is there a easier or any already existing solution for something similar
?
Thanks
nishith
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