satelite topology maps of lakes
 

If you just want to see what we are talking about, you can go he
http://www.tx.rodngun.com/gps/GPSSearch.asp

Click on:
Click here to enter your coordinates.
at bottom of page

Enter:
28 (one space only) 7.5158
and
96 (one space only) 58.6438

Click:
View Your Coordinates

Click:
Topographic map (or Nautical)

This is Goose Island - walk out ~ half way on the 1st section of the pier,
then
wade out NE to the shell reefs & fish in the small channels :-)

This is a "GOOD" way to describe to someone "where" you are talking
about in posts. It's SO much easier to look at a map:-)
Just post the lat & lon as degrees & decimal minutes
Latitude = DD (one space) MM.MMMM
Longitude = DD (one space) MM.MMMM


Gene









"GeneS" wrote in message
...
Here is all you need to do:

1. Go here & download a shareware program
http://www.jdmcox.com
Full Install of USAPhotoMaps 2.25 .... Download Here


2. Download the aerial and/or topo data from a
free MS server. You can get down to 1 meter
aerial - enough to see a boat on the water.

When you first start the program, just enter a starting
lon & lat, then select 8 meter resolution, then type in
"p", then "f" to fill the page (that is, download) a full screen
of aerial that can be viewed at 1, 2, 4, or 8 meter resolution.
Hit "t" for topo.

The software is there to connect your GPS to your PC.
If you have a GPS that connects to a PC via a cable, then
this software is all you need. I typically burn a lake topo & aerial data
to a CD - then use that in the field.

CAUTION: download a little utility that converts the different formats of
lat & lon - you "WILL" need to do this simple math from time to time.

Hope this helps someone.

Gene












"Lester" wrote in message
om...
I live on a small lake and heard that some company sells detailed
depth charts based on radio satelite imaging. (I want to use my GPS to
find the correct spots on the lake).

Please advise,

Thank you