"SATCOM is unusable for most of us, but not because of latency. It is possible with some satellite companies to obtain the less than .5 milliseconds latency required for real time control, point to point, but it is a dedicated pipe, and…"
It's both, it can be used in Normal Mode ("Gateway mode"), which allow [near] real time messaging (if you consider upto 3min delay). That mode is very limited and only works in major markets (does not work in oceanic…"
"Years ago, before the availability of fiberoptic networks across our province here in northern Alberta, brought high speed Internet, our college did extensive testing and found satellite to be unsuitable for multimedia of any kind.
"If my memory serves me correctly from a study I did several years ago, Orbcomm is a store-and-froward satellite system. When a satellite happens to pass overhead, you dump your data to it, it then will drop your data off at the next available…"
"There is a portion of the sat band being allocated for dedicated UAS command and control, along with some lower frequencies as well. Do not expect RC type command and control frequencies to be allowed to do anything other than LOS stuff. Radio…"
"Satellite communication is the holy grail. Hopefully after Google buys out 3drobotics, sparkfun, & hobbyking, they'll get the satellite RC broadband running.
For now, we're stuck with Orbcomm. According to kiwipedia,…"
I think we can use sat modem to control uav and view the telemetry data digi international was made tiny sat modem 48gm wight for data TRX and cost around 140 USD http://www.digi.com/pdf/ds_digim10.pdf…