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Farm Machinery
Precision Farming & GPS
homemade autosteering egnos
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<blockquote data-quote="Pheasant Surprise" data-source="post: 2469800" data-attributes="member: 1103"><p>If using a Trimble rover, it would need to be able to accept RTCM 3.x corrections (as well as CMR/CMR+/CMRx) for it to work with a Reach base.</p><p></p><p>To set expectations, this isn't a commercial/industrial quality receiver. The development team are totally open about this, see:</p><p></p><p><a href="https://docs.emlid.com/reach/faq/" target="_blank">https://docs.emlid.com/reach/faq/</a></p><p></p><p>The receiver is based on a 72-channnel <a href="https://www.u-blox.com/sites/default/files/products/documents/NEO-LEA-M8T-FW3_ProductSummary_%28UBX-16000801%29.pdf" target="_blank">U-blox NEO-M8T</a> chipset. As Northern farmer alluded to although this receiver supports up to 4 constellations (a max of 3 constellations at any one time) it crucially only supports a single L1 frequency on GPS, GLONASS. So it's ultimate accuracy will not be as good as an L1/L2 multi-constellation receiver, because it can't compensate for atmospheric/ionospheric effects as well as a dual frequency receiver can. The trade-off of course is cost. Dual frequency, multi-constellation receivers cost a whole lot more.</p><p></p><p>But for the price, it *could* be good enough.</p></blockquote><p></p>
[QUOTE="Pheasant Surprise, post: 2469800, member: 1103"] If using a Trimble rover, it would need to be able to accept RTCM 3.x corrections (as well as CMR/CMR+/CMRx) for it to work with a Reach base. To set expectations, this isn't a commercial/industrial quality receiver. The development team are totally open about this, see: [URL]https://docs.emlid.com/reach/faq/[/URL] The receiver is based on a 72-channnel [URL='https://www.u-blox.com/sites/default/files/products/documents/NEO-LEA-M8T-FW3_ProductSummary_%28UBX-16000801%29.pdf']U-blox NEO-M8T[/URL] chipset. As Northern farmer alluded to although this receiver supports up to 4 constellations (a max of 3 constellations at any one time) it crucially only supports a single L1 frequency on GPS, GLONASS. So it's ultimate accuracy will not be as good as an L1/L2 multi-constellation receiver, because it can't compensate for atmospheric/ionospheric effects as well as a dual frequency receiver can. The trade-off of course is cost. Dual frequency, multi-constellation receivers cost a whole lot more. But for the price, it *could* be good enough. [/QUOTE]
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