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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Precision 2.2 metre Antenna Install
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<blockquote data-quote="moonbase" data-source="post: 1017000" data-attributes="member: 178786"><p>I have attached some pictures of the feed and waveguide adapter that came with the antenna. The feed looks to be the later version and is not the very early version. Similarly, the feed to C120 waveguide adapter looks to be the later version that is matched to the feed.</p><p></p><p>I noticed two points about the feed support arms. Firstly, they are different thread sizes at each end. In previous Precision dishes I have used the feed support arms had an M8 thread at each end. The feed support arms for the Precision 2.2m antenna have an M8 thread at the feed end and an M10 thread at the dish end.</p><p></p><p>Secondly, the tube of the feed support arms is not itself tapped with the thread, the thread is in an "end plug" that pushes into the tube of the feed support arm. The wall thickness of the feed support arm is quite thin. The "end plug" can be seen in one of the pictures I have attached that shows the feed support arm end on.</p><p></p><p>The feed support arms are straight but they are a bit tatty and down to bare metal in places, however, they are OK to use with the feed. I might consider either getting the existing arms shot blasted and powder coated or replace them with similar outer diameter tube but with a thicker wall and tap the threads directly into the tube.</p><p></p><p>Pics atached below.</p><p></p><p></p><p>Rgds</p></blockquote><p></p>
[QUOTE="moonbase, post: 1017000, member: 178786"] I have attached some pictures of the feed and waveguide adapter that came with the antenna. The feed looks to be the later version and is not the very early version. Similarly, the feed to C120 waveguide adapter looks to be the later version that is matched to the feed. I noticed two points about the feed support arms. Firstly, they are different thread sizes at each end. In previous Precision dishes I have used the feed support arms had an M8 thread at each end. The feed support arms for the Precision 2.2m antenna have an M8 thread at the feed end and an M10 thread at the dish end. Secondly, the tube of the feed support arms is not itself tapped with the thread, the thread is in an "end plug" that pushes into the tube of the feed support arm. The wall thickness of the feed support arm is quite thin. The "end plug" can be seen in one of the pictures I have attached that shows the feed support arm end on. The feed support arms are straight but they are a bit tatty and down to bare metal in places, however, they are OK to use with the feed. I might consider either getting the existing arms shot blasted and powder coated or replace them with similar outer diameter tube but with a thicker wall and tap the threads directly into the tube. Pics atached below. Rgds [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Precision 2.2 metre Antenna Install
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