Some folks pick to maintain a satellite phone as component of their disaster preparedness kit. An earthquake, hurricane, terrorist attack, or many other things can disrupt both normal landline mobile phone and wireless mobile mobile phone assistance. But - in principle - satellite cell phone service ought to be able to survive all such disasters, since the satellites are safely distant, somewhere way up inside sky.

Nonetheless, satellite cell phone assistance also has an Achilles Heel. That will be the point at which a phone call is routed from the satellite that received your signal for the ultimate individual you are calling. Inside the circumstance of most solutions, your contact is routed from the satellite and immediately to its closest ground station, and then it goes in the ground station, as finest it can, to its last location. If its last desired destination is yet another satellite phone, it travels back up to an additional satellite and down for the mobile phone, wherever it may well be.

This indicates, for most satellite phone solutions, there remain ground based vulnerabilities. Even so, Iridium will be the notable exception to this. If you are calling to an additional Iridium telephone, your contact goes straight out of your mobile phone towards closest readily available satellite , then is routed amongst the satellites until reaching a satellite that can then beam the call down for the recipient.

This capability can make Iridium essentially the most robust system for handling ground dependent disasters.

In principle an individual Iridium satellite can handle up to about 1100 calls simultaneously, and the total Iridium system some thing much less than 66 times this amount. These aren't quite large numbers, but neither may be the total installed dependent of Iridium users quite huge, so one particular would anticipate that, in some type of regional emergency, the Iridium network could handle its users' needs without having appreciable congestion.

An excellent instance of this was with Hurricane Katrina. The hurricane knocked out more than three million landline circuits and more than 1000 mobile sites. Three weeks later, only 60% of the cellular mobile phone networks had been operational and two million calls had been nonetheless failing. In contrast, Iridium's system was completely unaffected, and for that first 72 hours of Katrina, Iridium visitors inside the Gulf area improved far more than 3000%. The amount of subscribers in impacted areas grew 500%.

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A satellite phone relies on satellite technology to connect your phone with another line. This means it will work whether you are calling a land-based number or a cellphone number.

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