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Equipment Discussions >> Mounts

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hongxu chen
member


Reged: 02/14/11

The GPS Unit for Orion EQ-G
      #4504239 - 04/08/11 02:30 AM Attachment (31 downloads)

The GPS unit for Orion EQ-G is so expensive. So can I just buy a receiver and link it to the port on the hand controller? Is that RS232 or PS/2 port? Which pin is power, which is signal? What about the protocol? Do some one know?

Edited by hongxu chen (04/08/11 03:44 AM)


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rmollise
Postmaster
*****

Reged: 07/06/07

Re: The GPS Unit for Orion EQ-G new [Re: hongxu chen]
      #4504392 - 04/08/11 05:59 AM

Quote:

The GPS unit for Orion EQ-G is so expensive. So can I just buy a receiver and link it to the port on the hand controller? Is that RS232 or PS/2 port? Which pin is power, which is signal? What about the protocol? Do some one know?




You can't do this, but you can use almost any NMEA capable GPS with EQMOD.


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Skylook123
Postmaster
*****

Reged: 04/30/05

Loc: Tucson, AZ
Re: The GPS Unit for Orion EQ-G new [Re: rmollise]
      #4504878 - 04/08/11 11:55 AM

As most always, Uncle Rod is correct. The hand controller does not recognize any GPS source other than the Synta unit.

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BubbyD
professor emeritus


Reged: 04/22/10

Loc: Troy, Ohio
Re: The GPS Unit for Orion EQ-G new [Re: Skylook123]
      #4504939 - 04/08/11 12:26 PM

If you download Google Earth, you can put the crosshairs over exactly where you are putting your mount and get the accurate coordinates. Since the download is free, that's the cheapest way to get the correct data in the controller.

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bluedandelion
Carpal Tunnel
*****

Reged: 08/17/07

Loc: Hazy Hollow, Western WA
Re: The GPS Unit for Orion EQ-G new [Re: BubbyD]
      #4505218 - 04/08/11 02:54 PM

Quote:

If you download Google Earth, you can put the crosshairs over exactly where you are putting your mount and get the accurate coordinates. Since the download is free, that's the cheapest way to get the correct data in the controller.




The problem is Google Earth downloads data as needed. You may not have web access in all the remote locations you go to get away from light pollution. If there was a way to cache all the data that would be nice way to go.

I recently found an inexpensive GPS unit that works really well with my Atlas via EQMOD. See this post.

Ajay


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Skylook123
Postmaster
*****

Reged: 04/30/05

Loc: Tucson, AZ
Re: The GPS Unit for Orion EQ-G new [Re: bluedandelion]
      #4505434 - 04/08/11 04:45 PM

Although I have the GPS unit for my Atlas, I still add the Latitude/Longitude of the site to my observing list, just in case.

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hongxu chen
member


Reged: 02/14/11

Re: The GPS Unit for Orion EQ-G new [Re: bluedandelion]
      #4512802 - 04/12/11 07:14 AM

Thank for your reply.
But I don't want to use it with a laptop. Is there any other solution?


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hongxu chen
member


Reged: 02/14/11

Re: The GPS Unit for Orion EQ-G new [Re: hongxu chen]
      #4512803 - 04/12/11 07:15 AM

Do some one know which cheaper GPS receiver is suit for the EQ-G?

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hongxu chen
member


Reged: 02/14/11

Re: The GPS Unit for Orion EQ-G new [Re: hongxu chen]
      #4512813 - 04/12/11 07:23 AM

http://cgi.ebay.com/NEW-GlobalSat-BR-355-PS2-GPS-Receiver-SIRF-III-Laptop-/320597533937?pt=GPS_Devices&hash=item4aa51a24f1 can this be used?

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