
IMPORT Garmin Mapsource or HomePort
Some people prefer to use Mapsource or Homeport by Garmin to upload and download their receivers. If you have the
Garmin proprietary card type, then this is a necessity. In Mapsource, the menu items are: Transfer>Send to Device
or Transfer>Receive from Device. In HomePort, any ADM files on the SD card should show up in the "devices"
column on the left. Once you see that the ADM file you want is there, just drag and drop it into the "Library" part of the
left column. If you want or have to use Mapsource (or HomePort) to do the upload/download, the program can
read/write files that work with them. That is, you can save GPX, MPS, or GDB files with them (using Save As or
Export) that the program can import/export.
Garmin has an older program called PCX5 (PC software kit) that could download and upload a variety of old Garmin
GPS receivers. The program can read and write these PCX5 waypoint (and GPX) files and Mapsource can also read
PCX5 (and GPX) files. So, to get files from the program to Mapsource or HomePort, just export them as GDB or GPX
waypoint format and then open them in Mapsource or HomePort (Hint, use: Files of Type).
IMPORT GPX
This is a GPS eXchange format found on the Internet. Garmin, for one, has embraced this form in their Mapsource
program. You can import/export data in this format. The files are textual and can be read and edited. Just make sure
that you follow the structure of the GPX format.
The newest handheld Garmins like the 78SC come with a USB cable and when plugged into a PC, look like a removable
drive. Therefore, they can be treated just like a USB memory stick for transfer of data in and out in GPX format.
Navigate to the X:\Garmin\GPX folder and Import the GPX file(s) into SeaMarks or export one from SeaMarks to the
GPS directly. Once you have the file loaded and want to save it, make sure that you change the save-as folder back to
c:\lorangps or it will save the SeaMarks formatted file in the GPS instead of in your computer.
IMPORT Humminbird
If your Humminbird uses an SD card, then use the Humminbird HWR format import/export. The file will be named
data.hwr and be in a folder named matrix on the card. That is; it will be found at something like: E:\matrix\data.hwr.
If it uses the C-Map cartridge, you can use the C-Map importer for this transfer.
IMPORT KML
KML files are intended for display on Google Earth and can contain waypoint information. This utility will read the file
and extract any point information such as Name and Lat/Lon.
IMPORT Lowrance/Eagle/Simrad
The program will handle the *.USR files found on the SD data cards of Navico group GPSs using a *.USR file. In the
pre HDS GPS, you go to the System Setup menu and select Transfer-My-Files. Transfer the file in memory to the SD
card. It normally gets named 'data.usr' but you can change that to any name you want. Once the contents of the GPS are
on the card, you remove it and insert it into the card reader of your PC. All you have to do then is Open the file or
Import the file with the program. It will get converted and you can combine the data with your other information. To
open a USR file with the Open menu, change the Files-of-Type to all files (*.*) and then find the file and open it. If the
Loran TD columns are not filled in and you want them to be, you can do so by selecting Tools>Convert to Loran.
Color is not carried in versions 2 or 3 and depth is not carried in version 2. Version 5 files are read too, but not written.
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