Discover handheld gps receiver Here Megablog: Why I Like <b>gps navigation</b><P>

Capacity of the GPS Unit...To get the most out of your GPS receiver, the more space your unit has to store waypoints and information about specific locations, the better. For maximum storage of waypoints and maps, at least 8 megs of memory is recommended. Like usual, more is better; 16 megs or 32 megs would be ideal. And, if you want your GPS system to grow with you over time, then you'll want to get one that has expandable capabilities allowing you to upgrade the unit to keep up with the latest in technology.
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To map a trail with track logging on your GPS unit, be sure to clear out any old track data, then get a good "3D" navigation lock, with all available satellites locked and usable. Start recording just before you start travelling, and try to maintain 3D navigation mode throughout. If the receiver lapses into 2D mode, errors of 1/4 mile or more are possible.

Decide what functions you want your GPS to perform. For example, for driving from Point A to B, spoken navigation instructions are considered essential. If you are a hiker, there are some important functions you are going to need including light weight, shower proof and screen backlit for night time viewing. For Marine GPS systems you may want your system to double as a GPS fish finder. PDA/GPS systems are convenient multi purpose systems but do they provide a good solution for your requirements, for instance talking instructions while driving.
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Qualcomm's Vision of the Wireless Future "When he finished, there were 20 brand-new, CDMA-based mobile handsets and devices arrayed on the table, the high-tech souvenirs of Belk's most recent trip to Hong Kong and Japan.... 'These are not PowerPoint slides,' Belk said. 'These are real devices that are already shipping in volume in Asia.' " at Business 2.0]

And there's the rub. When I do my presentations, that's all I have - pictures of prototypes or of devices not available in the U.S. Europe and Asia really are 18 months ahead of us in this area.

"Beale also discussed Qualcomm's gpsOne location technology.... It also opens the door for many new location-based services, such as traffic information and local weather forecasts. On Japan KDDI's network, there are already more than 20 location-based services available -- all of which are relatively inexpensive, costing less than $5 per month."

I'm looking forward to being able to travel and have information come to me automatically based on my location. For example, if I'm at a conference and I'm looking for a restaurant, I'd like my phone/PDA/whatever to know where I am and offer a list of nearby choices. Maybe it should tell me what movies or plays are on tonight and if there are still tickets available. You get the idea....

"Predictably, both Belk and Beale anticipate strong growth for the wireless industry as ever-more-compelling products and services become available and the industry settles on a single communication standard. How long will that take? Belk, whose career began in the personal computing business in 1983, likened the wireless industry today to the PC business of the 1980s. 'I wouldn't worry about the wireless industry yet, it's still relatively young,' he said. 'Just look how long it took the PC industry just to get to the point of standardized parallel cables.' "

Not to beat a dead horse, but the ebook industry is even younger than PCs, and PDAs have really only come into their own during the last few years. So don't count any of these technologies out just yet.