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The SRX_400's
capacity to handle sophisticated tracking challenges is increased
significantly when it is used in conjunction with several
related Lotek products: FAS
7 antenna switching, ASP 8 multiple antenna
switching and the Sonic Upconverter.
Peripheral Support
Hardware
FAS_7 Antenna Switching
The DSP_500 may be equipped with a fast antenna switching option
(FAS_7), which allows the coprocessor to determine transmitter location
relative to an array of up to seven antennas. All antennas are scanned
within 7.5 milliseconds.
DSP_500 with FAS_7 antenna switching and coded transmitters provides
unparalleled ability to monitor movements in such applications where:
- large numbers of individuals move relatively swiftly through
an area e.g. migrating waterfowl through a staging or refuge area
- individuals are in view for a relatively short duration e.g.
surfacing seal or sea turtles near an oil rig
- movement of the target species is to be monitored relative to
a structure of interest e.g. fish passage intake structures, ladders,
etc.
- downstream migrations occur through high velocity bodies of
water e.g. sluiceways
ASP_8
Multiple Antenna Switching
The ASP_8 provides the researcher with the ability to automatically
monitor and select up to eight antennas individually or in user defined
groups and sub-groups. ASP_8 is supported by EVENT_LOG, CODE_LOG and
EMG_LOG software programs. User control interfaces are via SRX_400
keypads and menu prompts provided in the software routines.
Sonic Upconverter
This
small add-on ultrasonic receiver peripheral, when plugged
into the front of the SRX_400 receiver, will convert the
signal from an ultrasonic transmitter to an RF frequency
that can be received or datalogged by the SRX_400. This
means that the tracking advantages available to researchers
for use in fresh water studies are also available for marine
applications, using the same SRX_400 receiver.
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