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Search: Posts Made By: x_navman
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Forum: Rumours & News
22nd Mar 2014, 19:19
Replies: 11,831
Views: 24,158,290
Posted By x_navman

A great circle is not, in general, a line of ...

A great circle is not, in general, a line of constant heading.
Forum: Rumours & News
20th Mar 2014, 18:45
Replies: 11,831
Views: 24,158,290
Posted By x_navman

i think live data - even if it's just a subset...

i think live data - even if it's just a subset of the full recording would be useful, and probably possible with the current satellite communications system.

But the suggestions I've seen onTV of...
Forum: Rumours & News
14th Mar 2014, 21:12
Replies: 11,831
Views: 24,158,290
Posted By x_navman

I think the device will have an IMEI number...

I think the device will have an IMEI number assigned at manufacture.

I don't know if that gets transmitted.

The Inmarsat press release did not admit much uncertainty in their identification
Forum: Rumours & News
14th Mar 2014, 20:19
Replies: 11,831
Views: 24,158,290
Posted By x_navman

At a minimum, the Inmarsat device itself is...

At a minimum, the Inmarsat device itself is uniquely identifiable on the network.

Think of it as having a Sim Card - many do.

As I mentioned above, many Inmarsat antennas contain a GPS, so no...
Forum: Rumours & News
14th Mar 2014, 18:19
Replies: 11,831
Views: 24,158,290
Posted By x_navman

Ole. that's for a handset - a phone - which...

Ole.

that's for a handset - a phone - which has data capability, but at a very low bit rate.

the isatphone is a relatively new product - 5 years..?

Most other Inmarsat products have...
Forum: Rumours & News
14th Mar 2014, 18:05
Replies: 11,831
Views: 24,158,290
Posted By x_navman

You are correct that for a stationary use,...

You are correct that for a stationary use, Inmarsat antennas can be manually pointed. On a moving Vehicle, it is usually necessary to have an antenna that can track the satellite to maintain an...
Forum: Rumours & News
14th Mar 2014, 17:34
Replies: 11,831
Views: 24,158,290
Posted By x_navman

I've used Inmarsat in the marine environment. ...

I've used Inmarsat in the marine environment.

The antenna needs to be kept "pointing" at the satellite during use.

to do this, the Inmarsat antenna contains a GPS receiver/antenna - if it knows...
Showing results 1 to 7 of 7


 
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