Marine Electronics Forum

double echo return

Old 02-18-2015, 08:43 PM
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Default double echo return

NSS 12 BSM -3 265 H/L
I have tried a few different settings and I cannot seem to get rid of the double return
gain was in auto
any suggestions
Old 02-19-2015, 12:33 AM
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You need to adjust the ping rate.
Old 02-19-2015, 02:30 AM
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This site shows the range difficulty in the Non ambiguous range section.

The radar firmware is supposed to be capable of associating received pulses to the correct transmit pulse.

As was mentioned, decreasing the transmit pulse rate will eliminate the ambiguity and eliminate the multiple return display.

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