Laberboard » earth monitoring stations and the GPS

GPS stands for Global Positioning System. The United States of Department of Defense built the GPS as a satellite radio navigation system. GPS was originally built for military use only but the United States government later on granted the petition to let it be available to the general public. This was around the 80s when the system was still in its infancy. The three important components of GPS is the satellite Nike SB Zoom Blazer Camo Men's Parachute Beige/Ale Brown-Black Footwear Wholesale , earth monitoring stations and the GPS receiver. These are currently 24 satellites orbiting the earth with each satellite completing two orbits around the earth each day. These satellites transmit signals over the earth to calculate the position of the receiver. Simply put, GPS pinpoints the location of a person anywhere in the face of the earth. There are four unmanned monitoring stations located in the US and one master station. The four stations relay position data from the satellite to the master station which in turns relay date back to the satellite. This ensures that the data is checked and rechecked to make sure that the data your receive on your GPS is accurate. A GPS receiver "receives" the signal transmitted by the satellites. To know your locate, you have to receive a signal from at least three satellites. It will triangulate your position in terms of latitude and longitude. If you are able to receive a forth signal then you could get the altitude as well.

The more popular use of GPS is for cars and mobile phones. For vehicles, it enables one to pinpoint your exact location without any trouble. It can help you get to where you want to go. This is probably the most popular public use of GPS. New and more expensive models of vehicles have fancy GPS tracking system installed. A GPS tracking system is especially valuable in cars in case it is stolen. If you report your vehicle is stolen Quartersnacks x Nike SB Zoom Blazer Low XT QS Men's Navy/Sail/White Skate Shoes Wholesale , the authorities can easily locate it because of the GPS tracking system. You can recover your vehicle in no time. The GPS tracking system is small enough that it can be attached to a pet or a small child. This will definitely help you keep track of your love ones.

Another very popular use of GPS is on mobile phones. Indeed, the mobile cellular phone has transcended it usual feature of call and text. A GPS enable phone can be used as a tracking device to hunt down a person's specific location. It can help one to locate an address or navigate a new area without necessarily using a map. With GPS, you can be sure where to turn exactly to the left or right. Most new models of phones are equipped with a GPS tracking device. Blackberry phones are the forerunner in the GPS technology. To make full use of your Blackberry's GPS technology it is important to unlock it. How to unlock blackberry storm for example is information you can obtain from the web. Also unlock blackberry pearl can be researched in the internet as well.
Women and Heart Attack?the Signal for Red Alert Health Articles | November 24, 2010

Heart attacks are a major cause of death and disability. Heart disease in women can be diagnosed and treated. How to prevent it? There are some signs for your alertness.



Unlike high blood pressure Nike SB Zoom Bruin Wholesale , heart attack is not totally a silent killer. It can be fatal when not attended to immediately but if you know when it is going to come, you can prevent it or at least manage it so that it won?t lead to further damage. Moreover, heart attack signs differ between women and men. At the meantime, let?s discover when to signal for a red alert with heart attack among women.


Pain or numbness in the left arm is the usual early indication of a heart attack. To a few of women who have a history of heart attack Nike SB Zoom Blazer Wholesale , this is not the case. The discomfort is not restricted to the left arm but can also be felt in the back, the stomach, the neck and the jaws. Following this early sign is difficulty of breathing, dizziness and cold sweats


Feeling a little tired and weak than usual is also an obvious sign that you are going to have a heart attack. The irregular pumping of the heart may result to a short supply of glucose and oxygen in the body causing to easily get tired and even fatigued. Nausea and vomiting usually accompanies this symptom.


A signal you should also pay attention to is a tense and anxious feeling even if you?re not actually worried about anything. Anxiety is linked to heart attack Nike SB Trainerendor Wholesale , but is also an accompanying symptom of a panic disorder. Therefore, be careful when making conclusions if you?re just having pure anxiety attacks or not at the moment since it can be worse than that ? it can be a heart attack.


Sleep disturbances are more likely to lead to a heart attack as well. If you wake up in the middle of the night trying to catch your breath, watch out as it can either be your regular sleep apnea that causes your throat to be obstructed or it can be a deadly heart attack. Either so, you have to be on your guard since sleep apnea is a big risk factor not only for heart attack but for hypertension Nike SB Stefan Janoski Wholesale , as well as stroke.


You can?t always be prepared for heart attack but knowing these signs will surely help you at big time. If ever you start to feel these signs and symptoms, the best thing to do is to act immediately; take aspirin and call 911. But since prevention is better than cure, you might as well learn how to take care of your heart by living a healthy lifestyle, doing daily exercise Nike SB Nyjah Free Wholesale , walking, running, yoga, for instance Nike SB Koston 3 Wholesale , and getting monthly checkups.


Now in the market Many of these kinds of car DVD have favorable features: sometimes they’ve got a big touch screen, 7 inch or above, and along come the GPS navigation capability, too. And another kind of car DVD Nike SB Killshot 2 Wholesale , NISSAN TIIDA GPS, is also equipped with GPS navigation systems, which can translated into easy maps and such like and which can keep someone that is basica. Wholesale Jerseys China Cheap Soccer Jerseys From China Cheap Wholesale NBA Jerseys Cheap New College Jerseys Cheap Custom NHL Jerseys Cheap NFL Jerseys Free Shipping Cheap Authentic Soccer Jerseys Wholesale Jerseys Wholesale Football Jerseys Wholesale Jerseys China