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Topic # 120860 16-Jun-2013 15:19
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Yesterday all channels were very good.  My Vivo software reported 100% quality for all channels.  Ditto this morning.  Now the weather has worsened, Ch 1-5 quality fluctuates 20-70% and choppy.  However a lot of the channels like Ch6 (TV1) at full def 1080 getting 100% still.

Is this correct and common?

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  Reply # 837668 16-Jun-2013 16:28
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Channel 6 is 576i. As for the reception, maybe tell us about your antenna installation, where it points, polarity etc. Otherwise contact an installer. Who ran the cable, if you did, was a crimping tool used???




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  Reply # 837673 16-Jun-2013 16:47
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Water in the co-ax??



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  Reply # 837681 16-Jun-2013 17:05
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Crimpler wasn't used - the store suggested me to just use the screw on connectors. 

As of now - all channels back to 100%. 
#6 on my sofware says TVONE.  1920x1080. 

TV3 Plus1, C4, Shopping Channel - my software says 720x576,

Bottom of Churton Park between Johnsonville and Tawa in Wellington.  Phased Array - pointed towards Welly Airport.  Tried to point at Kaukau but reception not v good.  We do have hills, houses and trees around our area and we are lower than  most houses here.  Horizontal orientation.

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  Reply # 837699 16-Jun-2013 17:40
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Buy a crimping tool and crimp all terminations. If problem continues call an installer who would locate the antenna in the optimal location.

I'm talking about logical channel 6, which is U.

P.S. One can assume that is is coming from Kaukau. please confirm channels received on, i.e., 32, 34, 36 on 562, 568, 594 MHz.




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  Reply # 837852 16-Jun-2013 22:54
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What are those channels?

For 562Mhz I have TV3, Four, TV3 Plus1, C4, Shopping Channel.
568Mhz - NA.
594Mhz - Maori, Parliament, Trackside, Chinese TV, Prime, TV33, ChoiceTV, TV9, Firstlight, Sommet Sports, Radio NZ National and Concert, and BaseFM.

Thru the computer software tuner, I have channels #1-#22 as per the software.

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  Reply # 837857 16-Jun-2013 23:10
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rayonline: Crimpler wasn't used - the store suggested me to just use the screw on connectors. 
.


If outside, the connection really needs to be crimped. I purchased a tool and did mine. Sometimes can get a little pixelation in really bad weather, but nothing major.

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  Reply # 837859 16-Jun-2013 23:22

At UHF frequencies, as used by FreeviewHD, rain fade isn't really an issue if you are line of site to the transmitter. However, if your transmission path is through trees, the signal through them can be affected by rain as wet trees/leaves are poor conductors of RF.
Rain in the atmosphere really only affects microwaves like those used for satellite.




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  Reply # 837861 16-Jun-2013 23:37
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will get a crimp tool when the rain clears. yeah we have trees here, a hill and houses along it, at the bottom of our street it`s sslightly uphill road but of course those who drive up to the supermarket of churton park are even higher than us. the trees are maybe 2 or 3 metres away from the aerial hence the phase array.


will turn it a bit to the left to maintain the 100% on a dry day and then see if it improves on a wet day. i do know that if i point to kaukau which is inline of the trees goes crap.

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  Reply # 837893 17-Jun-2013 06:48
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rayonline: What are those channels?

For 562Mhz I have TV3, Four, TV3 Plus1, C4, Shopping Channel.
568Mhz - NA.
594Mhz - Maori, Parliament, Trackside, Chinese TV, Prime, TV33, ChoiceTV, TV9, Firstlight, Sommet Sports, Radio NZ National and Concert, and BaseFM.

Thru the computer software tuner, I have channels #1-#22 as per the software.


Sorry a typo, 578 would be the second frequency, channel 34.




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  Reply # 838347 17-Jun-2013 20:32
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Unsure of the channels you mention b/c my software doesn't show channel 30's ...

578 = TV One, TV2, U, TV One Plus1. 

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