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Replying to myself as my thoughts continue. SAS have emphasised...

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OzJ

1,818 Posts.

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23/11/18

09:36

Post #: 36613143
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Originally posted by OzJ ↑

I'm not surprised and I expected this when the MOU's were first announced, but they didn't make that part obvious. The Diamonds only provide two twenty-minute windows of connectivity a day. That's not enough time to do anything but the simplest connectivity and transaction tests to see if this is real. Certainly not enough time to do anything like acceptance testing on the SAS setup.

This brings up a point I've pondered about the 20 Pearls and the types of services they could offer. Given that the constellation needs to have some sort of shape for the sats to communicate with each other and since they will all go up and be deployed in one or two launches, the odds are good that they will be grouped in one or two groups. Together they will possibly offer something like 2 1/2 hours of coverage a day (either in one hit or two 1 1/4 passes every day). That could be enough to support asynchronous transactions like some IOT and M2M messaging. Perhaps some asynchronous payment transfer or other messaging apps.

Additionally, those windows will only enable SAS device to SAS device comms unless there is also a network tower in range when the sat window is overhead. So perhaps Sat Space Africa will cover this to some extent, enabling larger network access for the Pearls over parts of Africa. There are a lot of MOU's signed up for the Pearls which makes me think there are a number of use cases that don't involve synchronous connectivity. Those won't be available until the 200 are completely up, or near enough to 200 to provide continuous coverage.

So, I guess this all comes down to... funding. (I thought I would get that in myself before someone else states the bleeding obvious for the 49 millionth time.)

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Replying to myself as my thoughts continue.

SAS have emphasised multiple times their store-and-forward capabilities in the sats. I suppose this means that if the Pearls pass over they can collect messages and then send them on when they reach a networked tower, picking up return messages and holding them until they are back in range of the original user. This would make asynchronous messaging (particularly IOT and M2M) much more viable with limited windows. And that could be tested on the Diamonds, I guess.

SAS Price at posting: 6.8¢ Sentiment: Hold Disclosure: Held
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