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Monthly Archives: November 2007
Embedding Google Map of Bricker Trail
This map is made by downloading data from a Garmin 76 to DNR Garmin, saving it in kml format, and inserting it into the My Maps part of Google Maps. It can also be seen in Google Earth. View Larger… Continue reading
Limitations of USA Photomaps
USA Photomaps is a great tool to use with a GPS and to explore an area you are working in. However, there are some limitations that you should consider.Some of the data is old. This is controlled by the… Continue reading
USA Photomaps
After Monday’s class here are some of the things you should be able to do with USA Photomaps:Download and install the program.Open a new map location.Zoom in and outSwitch between aerial photo and topo map views.Change the coordinate system view…. Continue reading
GPS Helps Cities Catch Goof-Offs
This article by Frank Etelmen in today’s Washington Post describes how many government agencies are adding GPS receivers to their vehicles to see where employees are going. In some cases workers have been fired for going shopping or running errands… Continue reading
Hiking Trail Mapping
Here is a first step at mapping the track of our work yesterday. In today’s world is a paper trail map preferable over an online map? Would it be better to have both? View Larger Map The trail obviously will… Continue reading
GPS Receiver Tips
Here are some things to keep in mind when using the Garmin 76 GPS receiver.If the receiver hasn’t been used for a few weeks or more it will take longer to boot up. It needs to download a new almanac… Continue reading
Reading map coordinates
During yesterday’s lab we used the latitude/longitude ruler and UTM grid tool from Map Tools to find the coordinates of different features on the topographic maps. There are several ways you can improve the accuracy of your meaurements. First, make… Continue reading
Folding Maps
Topographic maps in the field are bulky and cumbersome unless they are folded properly. Here are a few demonstrations of how to do it right to make the whole map accessible. This is an online version of an army manual… Continue reading
Land Forms Lab Route
Here is a map of the route we followed for the land forms on topographic maps lab. View Larger Map… Continue reading
Reading Topographic Maps in the Field
During yesterday’s field trip yesterday there was a bit of confusion over our location at the third stop. At first I thought we were on Shriners Knob. But when I checked the GPS waypoints back in the office it… Continue reading