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Question re Heading Sensor for Radar

Old 12-10-2002, 04:29 PM
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Default Question re Heading Sensor for Radar

Just wondering.... Would it be possible to tap into the compass heading sensor from my Simrad AP14H Auto-pilot instead of buying a separate sensor to set up a RL70crc+ for overlay??
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Old 12-10-2002, 08:47 PM
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Default Question re Heading Sensor for Radar

Ive been told you can.

Tim,25'Skip,Reel Hungry
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Old 12-10-2002, 10:20 PM
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Default Question re Heading Sensor for Radar

No problem if the Simrad has NMEA 183 ? output and the RL has an input.

Scout 202 SF Yamaha F200
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Old 12-11-2002, 04:04 AM
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Default Question re Heading Sensor for Radar

No, there are no outputs available with the AP14.
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Old 12-11-2002, 04:30 AM
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Default Question re Heading Sensor for Radar

There are no outputs from the AP14. But, whar about pulling the signal from the connections where the AP14 heading sensor connects to the Auto pilot control head? Possible? Thanks Scott
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Old 12-11-2002, 05:30 AM
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Default Question re Heading Sensor for Radar

I think I just answered you question, with my thoughts, on your other post. Why not use the GPS...much more versital? [img]/infopop/emoticons/icon_confused.gif[/img] [img]/infopop/emoticons/icon_wink.gif[/img]
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Old 12-11-2002, 06:10 AM
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Default Question re Heading Sensor for Radar

GPS heading data will not work well for the chart overlay fuction. Update is too slow and it has no way of determining which way your boat is pointed, only the direction of relative motion. It needs compass data, preferably gyro stabilized. I have RL 74 CRC hooked up to my KVH 1000 fluxgate compass and, even though it is not gyro stabilized, it does work well.
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Old 12-11-2002, 06:58 AM
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Default Question re Heading Sensor for Radar

Sorry, but the answer is still no for compass data from the AP14. It is not NMEA data from the compass, but more likely a sin/cosine signal.
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Old 12-11-2002, 10:38 AM
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Default Question re Heading Sensor for Radar

Thanks for the info folks. Looks like I will need to buy a sensor. Much appreciated. Scott
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Old 12-11-2002, 01:30 PM
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Default Question re Heading Sensor for Radar

http://www.marine.com/cgi-bin/tame/c...t%5Fsrch%2Etam

Works fine on mine, 8 times per second update.
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Old 12-12-2002, 06:42 AM
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Default Question re Heading Sensor for Radar

Snookwheeler,
285 and HookMan are on the money. You can check with Raymarine by e-mail, but I think the simrad compass is too slow to provide chatr/radar overlay. I installed RL70crc about 6 mo ago, used Raymarine fast update compass.
Joe

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Old 12-12-2002, 11:57 AM
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Default Question re Heading Sensor for Radar

The Raymarine M92649 heading sensor is only NMEA183 output, but works great and is easy to install. Good backup in case the GPS sensor goes out.

Scout 202 SF Yamaha F200
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Old 12-12-2002, 12:00 PM
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Default Question re Heading Sensor for Radar

Looks like the Raymarine sensor is the easiest route. I appreciate all of the input. Now I've gotta go out and throw some fertilizer on the money tree and get ready to spend some more. Side note, you guys recommend a "cost effective" radar mount source?

Thanks, Scott
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Old 12-12-2002, 02:12 PM
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Default Question re Heading Sensor for Radar

Get the KVH Azimuth 1000. Has a fast refresh rate which works great with my Raymarine overlay and costs less than the raymarine and is a quality unit.

SEVENX

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Old 12-13-2002, 06:35 AM
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Default Question re Heading Sensor for Radar

Capt Ahab
The M92649 came with a SeaTalk cable and according to Tech is SeaTalk & NEMA compatable. However he said for overlay the NEMA connection is the only way to go for high data rate.

Sevenx, the best placement for a heading sensor is mid ship at water level (pitch/roll). Since my boat came with a compass I opted for the below deck install. The Fluxgate sure looks nice, agree it also is a good choice.
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Old 12-13-2002, 02:29 PM
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Default Question re Heading Sensor for Radar

Is there something that would prevent you from installing the 1000 anywhere you'd install the raymarine sensor? Like I said the price is right & the unit works great for the overlay function.

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