Tuesday, November 9, 2010

How Does Mobile Satellite Internet Work?

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Satellite Internet uses a geostationary satellite as a relay point between the end user and the Internet service provider. Mobile satellite Internet requires user equipment that locate the signal of the satellite and lock onto it from any location. Mobile satellite Internet is often used in remote locations and by people or organizations that move about a great deal. It is also used to connect trucks and ships to the Internet. Mobile satellite Internet is becoming more popular as costs decline.

User Equipment

The most visible piece of user equipment in the mobile satellite Internet system is the dish antennae. This concave dish focuses the signal from the satellite on a receiver mounted on an arm at the center of the dish. This dish must be pointed precisely at the satellite for adequate signal reception. The mobile satellite dish system often has an automated aiming process that aligns the dish automatically. The user will also have a satellite transceiver that sends and receives the signal to the satellite.


Monday, November 8, 2010

Reasons For Utilizing A Pre-Paid Satellite Cell Phone

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Utilizing a satellite cell phone is probably the most inexpensive ways to make worldwide calls. However, this is not the only reason why people use satellite phones. According to research, only about 14% of the earth has network coverage for regular mobile phones or even landlines. This is because a larger portion of the earth is covered with water, dense forests or mountains. Satellite phones have been used by adventure-seekers, people in the construction industry, mining, maritime or forestry for a long time. These are mainly people who will have to use the satellite telephones regularly and who consequently have to choose a certain calling plan based on their needs. A few pre-paid satellite phone providers exists because they understand the need to have these services when you need them in case of an emergency.

 

Many satellite phone services are very expensive to maintain but the service that they provide covers for the expense incurred. However, with pre-paid satellite phone service, it is now cheaper and easier to use a satellite phone. Most pre-paid plans come with discounts and they do not involve monthly flat fees. In fact, most of the pre-paid plans give free of charge incoming calls to almost all their customers. For about $2 per minute, people can make outgoing calls regardless of where they are. However, there has to be a clear reception line to the sky from wherever one is making the phone call. Another great advantage is that you know how much money you are spending and you do not wait at the end of the month for a bill. This makes it easier to control finances as opposed to just using the phone and waiting for a bill at the end of the billing period.

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Sunday, November 7, 2010

Mobile Phones on Aircraft

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      The use of mobile phones on aircraft is generally forbidden during flight. One reason given for this is that the mobile phone could interfere with the sensitive equipment on the aircraft. This could be restated as "during development these aircraft were not designed to accept signals from mobile phones and there has not been sufficient testing to be sure that they could" as can be seen from plans to improve certification. ome level of electromagnetic interference is theoretically possible from active radio transmitters such as mobile phones on aircraft. Exactly how much and in what way is dependent on the particular phone system in use and the plane component in question. Whether that level of interference should have any influence on electronic systems which should be designed to fly through lightning storms without falling out of the sky is an entirely different question.

     One area in which interference would be most likely is in the radio-based audio equipment used for voice communications between the aeroplane and the ground. The mobile phone transmitter is much closer to the receiver on the aircraft than the ground station, but operates at a lower power than the ground station.

      Some mobile phone systems such as GSM may cause an irritating buzz (explained in the TDMA article) which would certainly disrupt communications from the pilot to ground. The high speed of air travel may make interference more likely than it would otherwise be. The maximum speed of travel in a mobile phone system is limited by several factors, frequency changes, rate of change of timing offset, etc. The speed of an aeroplane often exceeds these (typically phones are designed for use in a fast car) which means the mobile will fail to register to the network and retry registration repeatedly.

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Saturday, November 6, 2010

Talk Anywhere With Marine Satellite Phones

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Wouldn't it be great if you could talk to anyone you wanted right from your boat or yacht? With marine satellite phones, what was once impossible is now possible. Satellite phones give you the ability to make a call or receive a call at practically any location on water.

Why satellite phones instead of cellular technology? Because cellular phone companies require that the user be within a certain distance of headquarters, or at least of the cell towers that have been established. Therefore, your cell phone will work in other states besides your home state because there are multiple towers set up all around urban areas. However, when you're talking about somewhere in the middle of the ocean, or upon a great river, then this type of coverage is usually unavailable.

That's where satellite technology comes in. Marine sat phones are able to communicate with an orbiting satellite for connectivity. All that this technology requires is a clear view of the southern sky, and if you're surrounded by miles and miles of sea, that's not a problem. Sat phones allow you to communicate with a far more expansive range than is available with traditional phone companies. Most marine phones you will see on the market are large; about the size of old car phones. Along with your phone you will be using devices called a terminal and an antenna.

Can you use your satellite phone anywhere in the world? Not exactly, though potentially satellite TV could do this. The main restriction here is that satellite companies purposely limit their services to one region for better overall service and for legal purposes. For instance, in some countries it would be illegal for you to use marine satellite phones, because that might interfere with their local frequencies, which could result in confusion.

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Friday, November 5, 2010

Which Satellite Phone Service Suits Your Needs?

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" Here's Some Info To Help You Decide "

Satellite phone service gives you the ability to communicate from anywhere
in the world, anytime. So ...

you need not worry about being able to contact business associates; or, stay
 in touch with family and friends, if you live, work or travel in remote
areas of the world. It's also highly effective in areas where there are no
cell phone networks.

The Iridium satellite telephone system gives you the convenience of wireless
communication with worldwide coverage and the reassurance of dependable
operation even in the most exotic locales.

In fact, it is the only satellite phone service that provides complete
coverage of the Earth (including oceans, airways and Polar regions).

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Thursday, November 4, 2010

Satworx IsatPhone Pro Satellite Phone

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Satellite communication no longer means clunky equipment with a big price tag; Satworx is now offering the new IsatPhone Pro at $495, representing a 65% savings over current competing satellite phone solutions as well as the lowest airtime rates at $.75 per minute with a $19.95 monthly fee. The IsatPhone Pro is the lightest global satellite phone available on the market weighing just 9.8 ounces, compared to the next lightest option. Powered by Inmarsat-4 satellites and serviced by Satworx, the $495 special is available to businesses and consumers in order to introduce satellite phones as more practical options than potentially being out of touch.

Built to function in the most severe conditions anywhere on the globe, the phone delivers the most reliable satellite communications with exceptionally clear voice quality with a battery life of up to eight hours talk time and up to 100 hours standby time. The IsatPhone Pro is enabled for satellite telephony, voicemail, text and email messaging and GPS location data. It comes equipped with Bluetooth technology for easy hands-free use and operates over global geostationary satellites that will take users through the year 2020 and beyond. The phone itself is built with an intuitive GSM-style interface with a high-visibility screen and a larger keypad for easy dialing with gloves on.

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CPC Certification: The Next Step in Your Medical Coding Career

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By earning your designation as a Certified Professional Coder (CPC), you will show potential employers, as well as your peers, that you have the knowledge and skills necessary for a successful career as a medical coder. Not only do you demonstrate professional competency in the field, but you also prove that you have what it takes by passing the rigorous exam which is sponsored by the American Academy of Professional Coders (AAPC).

Having your CPC certification makes a strong statement in today's health care environment that speaks even louder than words to an employer. It indicates that you have relevant work experience as well as a thorough understanding of coding and a commitment to further growth and development in your profession.

Prior to taking the examination, it is highly recommended that you complete a comprehensive medical coding program. Those without prior experience may sit for the exam, though the credential awarded will be designated as Certified Professional Coder-Apprentice (CPC-A). Once you submit two letters of recommendation confirming two years of on-the-job experience, or complete a minimum 80-hour coding course and submit one letter verifying at least a year of experience, your CPC-A will be replaced with the full CPC credential.

The CPC exam measures your proficiency and knowledge of the correct application of CPT, HCPCS Level II procedure and supply codes and ICD-9-CM diagnosis codes that are used for billing professional medical services to payers. In addition to coding guidelines, this comprehensive multiple choice-format test, which is 5.5 hours in length, evaluates a physician practice coder's knowledge of some 25 areas, from anesthesia, radiology and pathology to respiratory, cardiovascular, and maternity and delivery.

 

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