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H520 RTK News?

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Hello,

Am I the only one who is still waiting for the H520 RTK units to be officially announced and delivery? I do a lot of mapping and volume calculations with my H520 so RTK upgrade is something that would really increase my performance. As a satisfied Yuneec customer I've been waiting for this upgrade since it was presented at CES 2019 and that's more then a year ago. Unfortunately, as far as I know, there is lack of official statement from Yuneec whenever this unit is going to be ever shipped. I talked to my local dealer and they can not get any information about those units production from Yuneec. Although I am surveyor and I do own a survey grade GPS-RTK and Total Station units I believe RTK onboard is nowadays a "must-have" if your daily job is drone photogrammetry. And this is becouse you can be more productive and competitive if you want to stay in the "business".
What do you think about this situation and Yuneec behaviour? Do you believe if they are going to deliver the RTK units? If anyone has any information or heard any roumors about H520 RTK I'll be glad if you share.

Greetings.
 

arruntus

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Partner, really, there's not much to say. Yuneec is known for this sort of thing. It should have come out by now, but what do you want me to tell you, better not to get it out with faults and when it does, let it work well. I guess, that's the reason for the delay. I'm looking forward to seeing a good review of its operation.
 
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You could stop waiting for Yuneec and go with Emlid's RTK/PPK system and it would probably be cheaper than the Yuneec RTK upgrade. I've seen an H520 with one hooked up on it so it's definitely doable. You would then have the option to transfer it to another drone in the future, say Yuneec went belly up and you couldn't get replacement parts for the H520, then you're not stuck with dumping a bunch of money in a drone you can't use. Also, I've heard that you will still need to put in some GCPS in your flight even with an RTK upgrade as photogrammetry doesn't always get the elevations correct and it's good practice to double check these items, so I'm not sure if it is really worth the cost for the RTK upgrade. Just some food for thought.
 

arruntus

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You could stop waiting for Yuneec and go with Emlid's RTK/PPK system and it would probably be cheaper than the Yuneec RTK upgrade. I've seen an H520 with one hooked up on it so it's definitely doable. You would then have the option to transfer it to another drone in the future, say Yuneec went belly up and you couldn't get replacement parts for the H520, then you're not stuck with dumping a bunch of money in a drone you can't use. Also, I've heard that you will still need to put in some GCPS in your flight even with an RTK upgrade as photogrammetry doesn't always get the elevations correct and it's good practice to double check these items, so I'm not sure if it is really worth the cost for the RTK upgrade. Just some food for thought.
That option has been and always will be, but the most important thing is lost in my opinion. The integration of the whole system, that the photos come out of the camera already referenced exactly without depending on possible failures, that at least are given, making PPK or taking out of a register the timestamps of the RTK which is how I do it. The integration is a big time gain and you minimize the errors to the own capacity of the system and as we all know, time is gold ;)
 
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Do you have it on pre-order? Have you talked to Vertigo Drones or Yuneec sales?
I'm on the customer waiting list through my local Yuneec dealer. However, I did not pre-order it officialy because this would require pre-paid and I would not invest in a stuff that is not even in production. Furthermore, I called Yuneec Europe located in Germany to gather some information about H520 RTK - they do not have any news.

You could stop waiting for Yuneec and go with Emlid's RTK/PPK system and it would probably be cheaper than the Yuneec RTK upgrade. I've seen an H520 with one hooked up on it so it's definitely doable. You would then have the option to transfer it to another drone in the future, say Yuneec went belly up and you couldn't get replacement parts for the H520, then you're not stuck with dumping a bunch of money in a drone you can't use. Also, I've heard that you will still need to put in some GCPS in your flight even with an RTK upgrade as photogrammetry doesn't always get the elevations correct and it's good practice to double check these items, so I'm not sure if it is really worth the cost for the RTK upgrade. Just some food for thought.
Emlid Reach is a great option, and I did consider to modify H520 by myself (I do have some RC background based on Pixhawk multirotor builds) but I couldn't find any information about pairing it with E90 camera shutter to get precise timestamps for PPK processing. Regarding ground control and check points I do always use them, no matter if I fly RTK onborad drone or not - it is just necessary to control accuracy results. Simply put, RTK onboard is not mentioned to get rid of GCP points - it is just great option to improve your performance by reducing number of GCP and strengthen aerotriangulation on hard tasks e.g. corridor surveys.
 

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