2011/10/26 Mauro Ugarte Avilés <[email protected]> > ** > > Regarding that chapter, you should use as your network topology, the > example 4 (Wifi) or 5 (mobile phone network), and replace on both of those > examples the block "RTKNAVI" by Spider (and maybe move Spider to the "Base > Station" or reference receiver's PC, and "STRSVR" to the remote receiver's > PC) . If there is going to be line of sight between both locations, a > Wireless Router or Access Point connected at the Base Station's PC Ethernet > port (or wirelessly), an a USB wireless adapter with detachable antenna at > the rover's PC (this one, for example: > http://www.tp-link.com/en/products/details/?model=TL-WN722N), with both > antennas (the AP/router and the USB adapter) replaced by a directional Wifi > antenna like this one: > http://www.tiendecita.com/antena-wifi-planar-estanca-marca-abaks-p-99.html, > should do it. (Note that the antenna does not include the coaxial cable > needed to connect the antenna to the AP/router (that by the way has to have > a detachable antenna also, in order to replace it), but that cable can be > easily found on computer stores). The USB wireless adapter used at the > remote receiver's PC should be placed inside the box behind the antenna, > were the RP-SMA connector is. >
Once again very useful tips. Thanks. > > My fault, no examples...but at least RTKLIB has a manual....and there are > screen captures on it!! At the GNSS positioning techniques FOSS world, those > features are not very usual... ;-). > Yes. I must agree with you. The manual is very good. > Based on that brief descriptions, you would be able to find better > explanations somewhere else: papers, doctorate theses, GNSS equipment > manufacturers, etc. > That's what I'm trying to do these days... > You will be sensing large structures, right? In that case, I would go with > "static" (static rover, static reference), not "moving-base" (moving rover, > moving reference) nor "fixed" (constant distance between rover and base). > Maybe you could go with kinematic too, if the real-time displacements and > deflections of the structures studied can be considered as "movement". > > My structures move at relatively high frequencies (say from 0,1 to 5 Hz). Most of the movements are small (a few centimeters at most). Best regards Antonio
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