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 > New smartphone direct-to-Starlink satellite service

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agesilaus

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Posted: 08/29/22 09:10am Link  |  Quote  |  Print  |  Notify Moderator

Your hopes are CRUSHED, heh. Text only:
Quote:

If you’re hoping for a Starlink-style high-speed data connection, think again. Coverage Above and Beyond will allow for between two and four megabits per cell zone, which is about 15 square miles for current Starlink service. That bandwidth would be divided between all users in that area, so the service will launch with support for SMS, MMS, and select messaging apps. The companies are not ruling out offering general data access in the future, but even having text-based communication in an area where there was zero coverage before could be a boon.

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Skibane

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Posted: 09/17/22 11:47am Link  |  Quote  |  Print  |  Notify Moderator

SpaceX is also reportedly in talks with Apple to use Starlink with iPhones.

Apple is currently using Globalstar (a competitor to SpaceX's Starlink) for "Emergency SOS" service on its iPhone 14 models.

wa8yxm

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Posted: 09/17/22 02:35pm Link  |  Quote  |  Print  |  Notify Moderator

Quote:

If you’re hoping for a Starlink-style high-speed data connection, think again. Coverage Above and Beyond will allow for between two and four megabits per cell zone, which is about 15 square miles for current Starlink service. That bandwidth would be divided between all users in that area, so the service will launch with support for SMS, MMS, and select messaging apps. The companies are not ruling out offering general data access in the future, but even having text-based communication in an area where there was zero coverage before could be a boon.
I think that's from the article.

Boon.....Imagine you are out in the midlle of "No I can not hear you now landia" with a hot sun. no water, a dead vehicle. and on a road which gets about one car a week.. It's miles of miles to the nearest help.

Oh yes. You dead....

Oh wait.. SMS "I'm on Road about an hour west of Town and HELP!!! car broke down. An hour later.. Help arrives. Water bottle in hand.


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shastagary

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Posted: 09/18/22 10:35am Link  |  Quote  |  Print  |  Notify Moderator

this shows how it should work starting in November

[image]

satellite sos for emergencies

afidel

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Posted: 09/20/22 09:57pm Link  |  Quote  |  Print  |  Notify Moderator

The SOS feature is enough that I'm going to spring for an iPhone 14 for the wife to replace her original SE. I was going to get her a 2022 SE but if I use it even once it's worth the few hundred dollars extra.


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Posted: 09/21/22 07:52am Link  |  Quote  |  Print  |  Notify Moderator

Skibane wrote:

pianotuna wrote:

I can understand receiving a signal from a more powerful satellite, but how is 1/10 of a watt going to "reply"?


Increasing the receiving gain of the antenna on the satellite reduces the amount of transmit power required from the smartphone.

Having big "ears" makes it easier to "hear" weak signals.


The other thing to keep in mind is the fresnel zone.

While we often think of radio signals as line of sight, there is actually an oblong oval shaped area between the two radios where the signal passes (layperson explanation).

If you have two kids at the end of a football field with walkie-talkies, the ground is blocking a big part of the signal. It's such a short distance that enough signal gets thru but much is lost. Add in trees, hills, buildings, etc... and only a small part of the fresnel zone may be clear to carry the radio signal.

This is why radio towers are tall. As much as possible, they are trying to get above any obstructions that block the fresnel zone.

If you are in an open field, communicating with a radio directly above you, you have a near perfect fresnel zone reducing the amount of signal that is lost.


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Skibane

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Posted: 09/21/22 01:37pm Link  |  Quote  |  Print  |  Notify Moderator

shastagary wrote:

this shows how it should work starting in November

[image]

satellite sos for emergencies


Do they provide any way of testing it, other than having an actual emergency?

Not sure I'd count on being able to access a satellite that's only used under extraordinary conditions.

wa8yxm

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Posted: 09/21/22 02:47pm Link  |  Quote  |  Print  |  Notify Moderator

I can not speak for Samsung, Apple or Star link only how I would do it if I were designing the phone or it's program.

IF you lose cellular... (Out of range) I'd have the phone listen for a satellite and if it sees one it would display a message. It might even "handshake" with it and let you know if it gets and ACK or not.

shastagary

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Posted: 09/22/22 10:21am Link  |  Quote  |  Print  |  Notify Moderator

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Not sure I'd count on being able to access a satellite that's only used under extraordinary conditions.


the satellite service used will be starlink internet service that is used daily by those who have it.

don't know if there will be a way to test it we will see

agesilaus

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Posted: 09/22/22 11:11am Link  |  Quote  |  Print  |  Notify Moderator

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the satellite service used will be starlink internet service that is used daily by those who have it.

don't know if there will be a way to test it we will see


Will it? I get yjr impression it will be on the new constellation of Starlink sats. Also that article I posted give the impression that this be a T-Mobile service

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