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 Differential GPS (DGPS) Products from CSI
A waterproof carry case, with external
power supply leads, as well as battery. Supplied with DGPS
beacon
receiver, and cabling and charger connections. Prices
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CSI-Wireless, Thales
and Furuno DGPS unit for 3 metre accuracy.
Supplied in the following
sets to suit most applications:
1. In-boat system Furuno
Model GP37 is the economical solution for 3-5 metre accuracy.
2. Field backpack system to convert
any Garmin handheld or a PDA* to a 1-5 metre accuracy mapping
data
collector. Prices
3. Field carry case system
to convert any Garmin handheld or a PDA* to a 1-5 metre accuracy
mapping
data collector. Prices
4. Thales beacon
on a belt will suit many Garmin handheld GPS for 1-5 metre
accuracy.
*Computer or PDA requires
suitable mapping software.
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Above, a typical backpack with
power supply, which
holds the DGPS beacon receiver, and cabling and charger
connections. Prices
Below a waterproof carry case,
with integrated power supply, which holds the
DGPS
beacon receiver, and cabling and charger connections. Prices
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We
can supply the MBX-3 and MGL3 antenna combination ready
to fix in a semi-permanent situation (boat or other
mobile situation) to use as a GPS/DGPS with computer or
PDA mapping.
No separate GPS is required. Prices
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For field use, the DGPS receiver
(MBX-3 and MGL3 antenna) is mounted professionally in
a backpack or in a waterproof carry case, with battery
(over 12 hours of use) and demountable antenna pole.
Any Garmin
hand-held GPS or PDA (with appropriate software) can be
connected for location, recording, and guidance functions.
Waypoints and tracks can be recorded to an accuracy of
2-5 metres. Guidance to, or setting out points, is achievable
to a similar accuracy. If you connect to one of the Garmin
GPS that incorporates a barometer (altimeter) you can achieve
similar vertical accuracies (average 3 metres). Check Garmin Geko301, eTrex
Summit, eTrex Vista or GPSMAP
76S. 
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Furuno manufacture a very reasonably
priced DGPS system for use on a boat.
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Some notes on
the configuration of the field sets
We build the
backpack, or the waterproof carry case, to order. Our
standard arrangement has 2 data
outlets- one to connect
to any Garmin GPS, and the other to an optional computer
laptop or PDA. The MBX-3 and MGL3 antenna combination can output
a
GPS position to a PDA or computer.
The backpack
or case, will normally be supplied with 2 cigar lighter sockets
for 12v, to power the GPS, and
any other peripheral, such as a laptop or PDA. The battery
is charged overnight by an intelligent 240v charger. A 12v
charging connection to a 12v vehicle cigar lighter socket is
optional. Prices of
the individual sets. Garmin
GPS or PDA, and interface cables, are extra.
CSI-Wireless
beacon receivers take advantage of the free to air service
from the Australian Maritime
Safety Authority. This AMSA service is active over the length
of the Queensland coast, and also in the Sydney, Melbourne,
Albany (WA), Perth, Adelaide, Darwin and Port Hedland (WA)
areas. You get the signal free, even inland for hundreds of
kilometres. For more specific coverage, please phone 1800 477477.
AMSA
beacon signal- more information
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Johnny Appleseed GPS