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1. Tethering
Use your iphone to connect to the internet. This will enable Google Earth to get realtime terrain and images. With 5.0, you can see your gps position on Google Earth if you connect to a handheld unit (Garmin or Magellan). Use both the iPhone and GPS unit in conjunction to see your location on your laptop. If you export your sitework linework via kml (http://civil3d.streamrestoration.info/2009/07/export-autocad-linework-to-google-earth.html), then you can see yourself realtime in relation to your site.
(Jailbreaking is necessary)
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2. Cycorder
A simple video recorder that works well. (Jailbreaking is necessary)
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3. Note2Self
Make quick notes to yourself out in the field with this versatile voice recorder. It will also let you email the sound clip to anyone.
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4. Weatherbug Plus
See when huge storms are coming in on a realtime Doppler radar map so you know when to prepare.
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5. Tracks
Record your gps track while out in the field.
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6. Google Earth/Maps
See your gps postion on a street map or in relation to the satellite image.
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7. Topo Maps
Download any USGS topo map and see your current gps position in relation to it.
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8. Qik
Broadcasts a realtime video stream to Qik.com. Especially useful for construction administrators.
(Jailbreaking is necessary)
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9. PDF Viewer
View maps and other assorted pdf documents easily.
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10. iBird Yard
A comprehensive database of photos and birdcalls. Get better at ornithology while out in the field.
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