Wi-fi is a wireless data networking protocol, which allows for PCs and laptops to access the internet, within a given area or "hotspot", via a high frequency wireless local area network (WLAN). The term Wi-Fi was coined by the Wireless Ethernet Compatibility Alliance (WECA) as another name for IEEE 802.11b networking standard. WECA is still involved in certifying new wireless modems in order to verify that they are fully compatible with the standard.
Wi-Fi vs. WiMax - Wi Do I Care?
Wi-Fi vs. WiMax - Wi Do I Care?
Wi Fi Fo Fum, I think I smell the blood...oops wrong tale. This story doesn't involve giants, but it does involve giant leaps forward in technology that will affect us all.
GPS on Your PDA
Did you know that in civilian aviation, relative improvements are constantly made in what you could call pilot's toys? For example, there are already sectional charts made available on PDA GPS. Sectional charts are like aviation maps. Pilots use these maps in flight planning and aeronautical navigation. Additionally there are many other data's useful for safe airplane travel. A PDA may stand for a Personal Digital Assistant. This is a small electronic device which can include some functionality of computers.
GPS is the only fully functioning satellite navigation system. PDA GPS tools and other programs all contributed to effectively make flying a lot safer and simpler, and therefore, more enjoyable for everyone involved in flight. There are brand new advanced programs full of novelties that activate when they are loaded along with some database. This proved to be a very useful tool for tracking civilian data that are essential for routine surveillance gathering.
Since many pilots as a rule have no problem in being able to afford brand new gadgets, this relatively new PDA GPS industry found itself being flooded with many new players. One of their primary goals is to secure passenger's flight luggage. Most drivers specifically those who drove trucks and even railroad conductors utilized this new equipment. Navy Pilots also use them. Come to think of it even guided missile bombers may have used them! Other PDA GPS devices had unique designs; for instance a weather device that transmits text information to the World Wide Web so that you can search the internet for specifications. This PDA GPS tool is certainly worthy to have around.
There is also an item, which can be used on some handheld GPS devices or PDA GPS that has capabilities for rough terrain CAD and laptop. Aside from aviation purposes, it is also handy in civil engineering and forestry. It can also be used for routing and scheduling in aviation and even for activities like hiking, fishing and diving. It can as well be helpful in the trucking business.
The tool has NOAA (National Ocean and Atmospheric Administration) features for weather and works with software produced by ESRI (Environmental Systems Research Institute). Versatile is the most appropriate description for this unit. This PDA GPS unit is by miles the best all-purpose unit of all. Another PDA GPS tool gives out real-time data important for flight plans. Real time data includes text on Airport forecasts and observations, wind forecasts and Area forecasts providing real-time meteorological information broadcasts for aviation purposes. It provides images and text of Pilot report and status of military training airspace that is forbidden or restricted, and position of other planes in the air trough the instrument flight plan.
It also produces graphical images of icing and turbulence forecasts, and FAA advisories and warnings among others. This indicates clearly that the software development companies that work with PDA GPS applications strive to provide identical data for the convenience and uniformity of all clients who want to use the device. A lot of these PDA GPS innovations are already being offered to businesses, from small and medium to the large ones. The last few years Global Positioning Systems have been offered to millions of consumers all over the world. Some of these GPS devices combined in PDA's, others as stand alone devices. Making route planning for a lot of people easier than it has ever been before.
For more GPS Articles by Ian Williamson please visit http://www.real-articles.com/Category/GPS/215
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