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Old 12-05-2021, 12:08 PM   #1
Obx
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GPS Antenna

I have a GPS antenna which is servicing my Raymarine Hybrid MFD (0183) system, is there anyway to branch off of it to supply info to my NAC 3 Simrad AP NMEA 2000 (which does allow for 0183 info)?

2nd question: I use Coastal explorer on my laptop, do I need to purchase a Actisense 2000 to connect the laptop to the Nac 3.

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Old 12-05-2021, 12:38 PM   #2
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Almost certainly possible, all but the most recent Raymarine MFDs have 0183 output and you just need to hook up two wires. Read the manual. If not, you will need the Raymarine SeatalkNg to 0183 adapter, not very expensive.
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Old 12-05-2021, 12:50 PM   #3
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Quote:
Originally Posted by Obx View Post
I have a GPS antenna which is servicing my Raymarine Hybrid MFD (0183) system, is there anyway to branch off of it to supply info to my NAC 3 Simrad AP NMEA 2000 (which does allow for 0183 info)?

2nd question: I use Coastal explorer on my laptop, do I need to purchase a Actisense 2000 to connect the laptop to the Nac 3.

Thanks Obx
What comes from 0183 is signal, not amperage. As a result, you can parallel a number of devices off the same antenna output.

It might be simpler and certainly less expensive to buy a small puck style GPS receiver on a cord with a USB connector to plug into your laptop. Mine was around $20 from Amazon 7 years ago. Doing it this way also offers redundancy for a separate 2nd navigation system.

Ted
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Old 12-05-2021, 01:19 PM   #4
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I have a brand new in the box Raymarine GPS antenna NMEA2000 That I'm not going to install if you think it best to buy one. Just msg me.
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Old 12-05-2021, 02:03 PM   #5
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What comes from 0183 is signal, not amperage. As a result, you can parallel a number of devices off the same antenna output.
???
If the antenna is just an antenna, then it supplies an analog RF signal down the coax. This can be shared, but requires a UHF splitter with a DC block on one port. If the "antenna" is actually a complete GPS receiver producing NMEA 0183 serial, then its output can be shared. Both variations are used by Raymarine in different products.

The easiest way to do this is to use the 0183 output from the Raymarine MFD, if it is available.
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Old 12-05-2021, 02:40 PM   #6
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???
If the antenna is just an antenna, then it supplies an analog RF signal down the coax. This can be shared, but requires a UHF splitter with a DC block on one port. If the "antenna" is actually a complete GPS receiver producing NMEA 0183 serial, then its output can be shared. Both variations are used by Raymarine in different products.

The easiest way to do this is to use the 0183 output from the Raymarine MFD, if it is available.
I was working under the premise that the antenna had the GPS receiver built in, which has been quite common for 15 or 20 years. If it's a coax cable with the receiver in the MFD, then no it won't be that simple. I read the OP as branching off the antenna.

Tef
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