Will my dish have to be re-positioned when ViaSat 2 becomes active?

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jjones

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Posted 1 year ago

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Old Labs

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At a minimum yes, the ViaSat-2 is at (or will be it hasn't reached final orbit) at 69.9 degrees west over the equator  while ViaSat-1 is at 115.1 degrees west (or thereabouts).

ViaSat has yet to say whether there will be other requirements (for example moving from Wildblue to Exede required new equipment. new install, new contract commitment as I recall) but count on that one (repointing) at a minimum.       
(Edited)
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jjones

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Thanks this will become active late 2017 early 2018....as I understand should be a free service call don't you think?
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Steve Frederick, Champion

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You will have a choice to switch to ViaSat 2 or remain on ViaSat 1. It is my understanding that if you choose to move to ViaSat 2 when it becomes operational, you will require new equipment, and most likely you will be required to start a  new 2 year agreement. I do not plan on switching to ViaSat 2 att this time, I am very pleased with my service right now. I have been on Exede since April 2012, and had the Legacy Wildblue prior to that from April 2008 until I switched to Exede.
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jjones

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Thanks! I'm ok to....hoping for some new data plans 
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Matt B, Viasat Employee

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Old Labs is correct.  The satellite will be in a different position in the sky, but you will only need a re-point if you upgrade.

No information has been released as to the requirements for the upgrade as of yet, but I'd say the guesses by Old Labs and Steve are probably pretty close!

-- Exede Matt B
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jjones

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i'm exited about this change..I'll need to move a little higher in the orbit or cut some trees soon, I'm just above the trees now...if I move dish a little to the west I'll be great shape! Thanks!
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Bev, Champion

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I may move as well, further west would leave me trimming a smaller oak tree than the giant sweet gum tree I have to keep trimmed now. I'll have to get my compass out and see if that looks like enough to get off the sweet gum or, if I'd end up trimming both trees. (Said tress are on railroad property but, in the way of my dishes - DTV and Exede or, I'd simply remove them)
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Markgc, Champion

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The view  to the South from my house is blocked by 100 foot pine trees. The best option for me would be to mount the dish on the other side of these trees where there is an open view to the South.  This would require about 100 foot of coax. Is this feasible and would I need a much better grade of coax usch as LMR400 or LMR600 ?    Right now I am running on about 10 foot of coax.
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Markgc, Champion

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Update - http://www.dishpointer.com/  is a useful tool. I just have to move the dish to the North side of the house to get further away from the tall trees. If I move about 60 feet away from the house then I am 115 feet away from the first tall tree and am at 126 feet and am clearing the 100 foot tree by about 26 feet.   I wonder how much taller these pine trees will grow, I imagine at 100 feet they are probably fully grown.
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Markgc, Champion

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Update - http://www.dishpointer.com/  is a useful tool. I just have to move the dish to the North side of the house to get further away from the tall trees. If I move about 60 feet away from the house then I am 115 feet away from the first tall tree and am at 126 feet and am clearing the 100 foot tree by about 26 feet.   I wonder how much taller these pine trees will grow, I imagine at 100 feet they are probably fully grown.
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Bev, Champion

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If those are sugar pines (smell like vanilla if you chip of a piece of the bark) they can grow to 200 ft tall. I've got one in my yard that is nearly that.
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Markgc, Champion

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Wow that is tall.  I don't think mine will get that tall. Hopefully not anyway
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Brad, Viasat Employee

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Just to add to this, you may not even need to be pointed at ViaSat 2. It'll take some of the workload off of ViaSat 1 and free up space where you can get the same benefits regardless of what satellite you are pointed at. I'd say later this year when we are closer to being situated in our orbital slot if you are in need of being repointed or anything we'll communicate it to you.
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Markgc, Champion

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Thanks Brad. Yes I was hoping that I could just leave things as they are. I am lucky to have a visual slot through all these trees to the existing satellite and my dish is attached to the corner of the house right by my office.  It all worked out very well.
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J&J

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I've looked over this site, http://www.dishpointer.com/ and have a question...  Since the line showed up in green rather than red, does that mean the site considered mountains that might be in the way?? I have a mountain about a mile to the east that is 3,000' high.  My house is already on a hill but it might not be enough.  I can put the dish on the mountain and relay the data using Ubiquity dishes if necessary. The installer won't enjoy the road getting up there (dirt, steep, cliffs, etc.)(most people get scared and want to go back down). I think the guest house roof can stand one more dish but it's getting cluttered.


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Old Labs

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I suspect the color is meaningless and the light green was chosen because it typically offers a better contrast against satellite imagery (probably not the best choice if one lives in the desert however). If you check the "show obstacle" line of sight checker option, it will display a red marker that you can position along the green line of sight which will then give you the distance and maximum height of any object at the red marker (not the actually height of the obstacle but rather how tall it would have to be to be an obstacle relative to the height of the dish itself - it's all a manual calculation). Zoom out on the image and place the red marker on the mountain...

But their iPhone App is a visual tool.
(Edited)
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jfaster

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Craig, Did you do the obstacle marker check described by Old Labs? I'm curious what you found.
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Old Labs

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Alternately you can simply do the rough calculation for yourself at:

https://www.easycalculation.com/trigonometry/triangle-angles.php

You're looking for opposite side in the calculation given adjacent side and angle (so you can calculate both opposite size and hypotenuse with your known values). 

In Craig's case, given an elevation (angle) of 21.5 degrees and and an adjacent side of 1 mile (5280 feet), he'll likely only clear about 2080 feet of the mountain...

Again all just estimates...       
(Edited)
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Markgc, Champion

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I have been thinking about the need to mount my ViaSat2 dish in the front yard to clear my 100 foot trees. I will probably end up with 100 foot of coax between the modem and the dish.  I may decide to use LMR 600 for that span. Can someone tell me what frequency the signal between the modem and the TRIA uses.  I would like to look at some db loss figures for the different types of coax and is this 50 ohm or 75 ohm coax ?
(Edited)
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VeteranSatUser, Champion

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We are a little too early for that much detail I think. I am not sure I would worry too much if the dish needs repositioned until the installer looks over your site.