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How many satellites does the Iridium project use?
It uses 66 small satellites in low earth orbit
What company was in the Iridium project?
Motorola was instrumental in the development of the Iridium project
Was Motorola involved in the Iridium project?
Motorola was instrumental in the development of the Iridium project
The 66 low-orbit satellites in the Iridium project are divided into six necklaces around the earth At the altitude they are using the period is 90 minutes What is the average interval for handoffs for?
66/6=11 satellites/necklace Time period is 90 mins so each time it goes as 90*60/11=491 seconds -------------------------------------- Correction: One orbit is close to 100 minutes, so the time between one satellite and the next is 9 minutes. This is only one factor that determines when a call is handed off from one satellite to another. Other factors include the location of the phone relative to the satellites and obstructions such as buildings and mountains. Several average handoff intervals have been published, but the actual interval is proprietary information of Iridium.
How much did the Iridium project cost?
It is a $4 billion system
How do we use iridium in our lives?
Iridium has no uses at home.
Why are there so many Iridium satellites in orbit?
It takes that many to provide complete coverage of the Earth, including the polar regions.
What are the benefits of an iridium satellite phone?
Calling an iridium satellite phone depends upon which country one is calling from. If one is calling from the United States, he/she must dial the prefixes 011--8816 followed by the eight digit phone number. However, if one is calling from a country such as Germany or Mexico, he/she would instead use the prefixes 00-8816. Australia, for instance, uses the prefixes 0011-8816 to dial an iridium satellite phone.
Does implant therapy use iridium?
Yes
Does interstitial radiation use iridium?
Yes
What is the radio frequency range of iridium satellite?
Iridium satellites operate in the L-band frequency range, specifically between 1616 MHz and 1626.5 MHz for their communication systems. This frequency range is used for both voice and data transmissions, enabling global coverage. The satellites utilize a unique polar orbit to provide connectivity across the entire Earth, including remote areas.
What in the night sky could appear like a star and disappear again in the a blink of an eye?
Sunlight reflecting off a satellite. Or a meteor. There is a set of satellites that provide service to the Iridium Satellite Phone system. The Iridium satellites are solar powered and have very large solar power panels. When the Sun's light reflects from those panels back to Earth, it's a very bright flash that lasts for a few seconds. These are "Iridium flares", and there are websites that allow you to look up the expected times and locations of Iridium flares. ================== Even a star can appear like a star and dissapear in the blink of an eye due to refraction but can again reappear.
