Professional Vertical throttle "sputter" - transmission issue?

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Hi All,

First post, and Christmas came yesterday when my P3 Pro was delivered (first Phantom, new overly cautious pilot). I just updated the firmware last night on the P3 & controller, charged everything up, and read through the manuals. I took it out for the first flight this morning, and one of the first things I noticed was that as i gave it vertical throttle, it almost seems to sputter, and labored slightly - not to the point where the motors were going to cut off, but definitely labored. Separately, my FPV on the iPad, even though I was only 100ft directly above where I was standing, was losing frames and dropping signal. I was between my house and neighbors house (photo attached), so not sure what that could have had to do with it (because I was direct and close line of sight). I checked the Transmission setting, and it is on Auto. Any thoughts? It's got my leary of taking it out.

Separate question based on photo - does that look like a large enough area for RTH to touchdown in? behind me (from where the pic was taken) there are 60'+ pine trees. I assume if I was above that altitude when I went over them, that RTH would come above those trees, then decent straight down?

Thanks!
 

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N017RW

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Too narrow for me.
Possible loss of GPS as it nears the ground due to the house and trees.

RTH height can be adjusted to clear known obstacles.
 
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Thanks, just uploaded an aerial photo of the area also (DJI_0004MOV.JPG) which gives a better perspective of the size of the area
 

N017RW

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Still pretty tight.

As far as your first questions: the laboring is difficult to evaluate with out video/sound, could be a weak battery.

Video cut-out with the quad directly overhead can often be caused by improper antenna alignments. Flying directly overhead should be avoided.
 
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