Team,
When setting a mast for an 8 foot C band dish how much rear clearance do I need if setting in front of a structure?
When setting a mast for an 8 foot C band dish how much rear clearance do I need if setting in front of a structure?
Setting the pole
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Living in the north country where winter frost depth and side pressure creates potential leveling issues, my preference was for setting 3 or 4 all-thread legs in the concrete with a triangular or square steel plate welded to the bottom of the pole that fit on the legs for easy re-leveling over the years as needed.
I even used the leveling plate concept to fix a fellow's concrete embedded c-band pole that had shifted over time. I cut the pole off a couple of feet from the ground and then welded matching triangular plates with matching holes at the three corners to each part of the pole. All that was left was to adjust the bolts and nuts at each corner to level the pole and reinstall the dish.
I even used the leveling plate concept to fix a fellow's concrete embedded c-band pole that had shifted over time. I cut the pole off a couple of feet from the ground and then welded matching triangular plates with matching holes at the three corners to each part of the pole. All that was left was to adjust the bolts and nuts at each corner to level the pole and reinstall the dish.
That all depends on how the structure is laid out on the property, and how that corresponds to YOUR particular satellite receivable arc "look angle". You'll need to measure, and calculate for yourself what that minimum distance will be for sure.
Let's say that a perpendicular line going out from the center of that building line faces directly your "True South", and that's where you want to install your dish. To be able to allow the polar mount to swing the dish from it's furthest East and furthest West and not hit the side of the wall with an 8ft dish, you'd need about a bare minimum of 5 feet clearance OUT from the building. That's just for the dish to clear and not hit the wall, though I'd recommend you give it a bit more distance than that, especially if you use a linear actuator that's longer than 24".
Moving forward with setting the mast.
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You didn't make that hole a perfect cylinder all the way down? It appears so from the photos. How much cement did you use? It needs to be bell shaped towards the bottom. Otherwise a good wind might possibly spin the whole thing, cement and all.
The hole was slightly out of round on the bottom. It took 11 eighty pound bags of concrete mix. 880 pounds.
setting Polar mount and dish.
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You would be surprised at what you are missing for the little bit of work. And C-band does not rain fade.
C is not an option for a big dish unless I move. Only suitable location is middle of my driveway for the pole due to trees blocking visibility. Or far from the house where visibility would be restricted to maybe 87W through 101W.
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