I would like to set up a permanent reference station in the office with the antenna on the roof. Obviously a modular system is the way to go, but the company already has 6 GRX1's (the integrated on the pole style). It would be nice if they had an option to plug in a separate antenna, so only the antenna need be on the roof and the really expensive part stays inside. I plan to email Sokkia on Monday, but unless it can be done via the serial port, I doubt it is possible.
Out of interest, do any of the integrated pole mount units have an external antenna port?
We have a Topcon base station mounted to our roof which has the antenna only outside and the receiver inside (see PDF)
there is a simple cable that connects the two and the receiver sits in our server closet.
It looks like Sokkia has the same type of breakdown with a SA300 antenna and the GNR5 receiver.
This may be what you are looking for
This is what I have:
I could put the whole thing on the roof but I was wondering if there was any possibility of overriding the internal antenna by plugging in a separate one.
And obviously the radio aerial would need an extension cord too.
gotcha - should have read your post a bit more carefully.
not sure if that can be done - good luck!
Excuse the ignorance if I'm not understanding you correctly but that's not the way it works. There are antennas that are for the serial port but that's to extend signal and not for reading satellites. The expensive part is what holds the sensor to read satellites and you can't keep that indoors. I know what you are trying to accomplish but I have never seen an external sensor that you can connect to the serial port. I don't even think they make those. If you find one please post here as I would love to get my hands on one myself.
Your best bet is to see if the gnr5 external antenna would work with the Grx1. I seriously doubt it does. If you find out it does, share with the rest of us as I would love this setup with my GRX1's.
There are options for this type of setup. I have an External GNSS antenna mounted on an old carbon-Fiber range pole, the pole securely mounted to my chimney on my roof. I ran a custom length of LMR400 antenna cable down off my roof, through the exterior wall of my house into the basement, then into my home office on the ground floor.
I have my own GNSS Reference station in my home office. I can log static PP data, the 3D position computed with multiple days of long static Observations, Rinex files submitted to the NGS OPUS Service. I can stream RTK Base station corrections out over the Internet, or connect up an external 35-watt RTK Base UHF radio if and when needed for GNSS equipment testing. The GNSS Technical Sales + Support guy that I am, I suppose...
I've installed over 150 GNSS CORS/RTK Reference stations domestically and Globally, so I've learned a few tricks along the way.
Be happy to share my experiences, make suggestions to help get your Base station equipment setup.
-BbB B-)
burn_31, post: 340871, member: 9405 wrote: Your best bet is to see if the gnr5 external antenna would work with the Grx1. I seriously doubt it does. If you find out it does, share with the rest of us as I would love this setup with my GRX1's.
Will do - Glad I'm not the only one with weird ideas..!
My emails can be found in my Surveyors Connect profile.
-Cheers B-)
Thanks Bob - I have already appreciated your knowledge on this forum.
I know there are proper reference station, modular systems and that a GRX1 isn't one of them...It just seems like it wouldn't be a bad idea, to have the option of a standalone antenna connection to maximize versatility.
No is the simplest answer to your question. Does that mean you can't run a permanent base as you describe? No it does not. Call the folks at Sokkia and get an external power set-up. This unit was not meant for this application but it doesn't mean it can't do it.
p
Am I missing something? Doesn't the receiver require unobstructed sky for a proper signal to the satellites? I would think safely inside the domicile would hinder the signal a tad.
