Version Updates
6/6/2009 - The NOS/GEO 2-D bathymetric charts are no longer available from us.
Changed to a new installer program to address issues with Windows Vista installs
and expanded the capability of the text importer.
The new version 7.3 includes an import/export for the C-Map userimg.bin
file type used by Simrad, NorthStar M series, Navman, and some Furunos.
The new version 7 series features three new fields: Name, Icon, and Depth for
better GPS data sharing. Has import/export formats for Furuno GP1650B.Rat/ROU,
Garmin userdata.ADM, Garmin Mapsource GDB/MPS, Lowrance Data.USR, RayMarine Archive.FSH, GPX, XML, and many others.
It allows the user to export just a portion of a large file. It also has precalibrated Loran ASF tables for NJ, NC, and 11 inlets in the SEUS based on customer supplied data. This gives better conversions right out of the box. Includes a Lowrance sonar log harvester. It has
the capability to display and print charts of the BSB/KAP and Nos/Geo varieties. These include the
NOAA charts like the one shown below.
NOAA Chart View
Operating System Compatibility
The LoranGPS program is for Windows 95 through Vista and uses
at least 30 MB of disk space (more with charts). MAC owners can use a Windows emulator to run it.
E-mail us for information on how to obtain a demo program. Conversion service is available if you
don't want to buy the program, but just want to get some Loran points converted. The charge depends on the
work needed. If you do the data entry, it is much cheaper.
We've Been Published
These reviews show that the program has been around a while. They are scans of the
magazine pages.
Sport Fishing April 08.1 (279k)
Sport Fishing April 08.2 (302k)
Sport Fishing April 08.3 (289k)
Sport Fishing June 05.1 (549k)
Sport Fishing June 05.2 (659k)
Sport Fishing June 05.3 (626k)
Sport Fishing June 05.4 (641k)
Sport Fishing June 05.5 (641k)
Bill Brogden
on Conversion (link)
Florida
Sportsman July 2002.1 (745k)
Florida
Sportsman July 2002.2 (750k)
Boats.com: The Conversion Experience
Power & MotorYacht: PC or Plotter?
Sport Fishing Feb.,97 (105K)
Sport Fishing Sept/Oct,94.1 (124K)
Sport Fishing Sept/Oct,94.2 (55K)
Salt Water Sportsman Nov., 90.1 (171K)
Salt Water Sportsman Nov., 90.2 (103K)
Company History
The Andren Software Co. has been publishing this program
since 1986 and has incorporated many features requested
by users. The program gets rewritten every few
years to take advantage of the enhanced capabilities of
new Windows versions and to add substantial improvements
in the operation of the program. We always strive
to make the program useable by those who have little
knowledge of computers or have no feeling for loran or
GPS. The program comes with a 24 page manual edited
by Carol Andren for clarity and understanding.
Carl Andren, the creator of this program, is a
member of the Institute of Navigation, the International Loran Association,
and the Institute of Electrical and Electronic Engineers. He holds 26
patents in electronics including some on the IEEE 802.11 technology known
as WiFi.
Some of the improvements from previous versions are:
more uploading and downloading for some popular GPSs,
better backup and restore, more import/export routines,
and most importantly, a precision calibration
capability. This allows the user to calibrate the
loran to GPS conversion to close to the original Loran
accuracy using local reference points. The latest
improvement is the addition of three more data fields for
Chart Plotter Name, Icon, and Depth.
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