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Alignment Check

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sheltie

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May 20^th, 2013 at 12:08pm

Hi all,

Is there a method to check that the dish is still aligned optimally without doing the install, beep setup, ie which figures on the modem indicate optumum levels?

I have just installed a ground mount to support the TRIA in high winds and just want to check I havent "pulled" the TRIA off centre.

I am in the Shetland Islands north of Scotland and my levels today are as below

Modem:-
General
Rx Power: -38.8 dBm
Rx SNR: 11.3 dB
ODU Telemetry status:
Cable Resistance: 1.0 Ohms
Cable Attenuation 14.8 dB

TRIA:-
General
Tx IF Power: -31.4dBm
Tx RF Power: 24.3dBm
Temperature: 30 �C

Thanks in advance

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« Last Edit: Jun 17^th, 2013 at 2:41pm by Admin1 »

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Munger Senior Member ★★★ Offline Posts: 129 Cambridgeshire, United Kingdom	Reply #1 - Jun 15^th, 2013 at 9:50pm Your figures look just like my setup which was installed a couple of days ago by Avonline. My cable attenuation is fluctuating a lot though. Don't know if thats bad or not...
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Hipolito Gonzalez

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Posts: 105
Spain

Reply #2 - Jun 17^th, 2013 at 9:25am

I have one week using my new Tooway system. I am very very happy, about 1 month without internet in my new flat, in the middle of a city, but NO phone-wire in my street (WOWWWWWW).

I had the same questions... are my values correct? My values are like yours, and I get about 22-26 mbps ( down) and 3-5 (up).

My values are:

Modem:-
General
Rx Power: -30.2 dBm
Rx SNR: 11.8 dB
ODU Telemetry status:
Cable Resistance: 0.5 Ohms
Cable Attenuation 5.3 dB

TRIA:-
General
Tx IF Power: -29.7dBm
Tx RF Power: 31.8dBm
Temperature: 40 �C

WE can post our values to compare if our installations are correct. The self installer don't have a standar values to compare it.

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« Last Edit: Jun 17^th, 2013 at 2:42pm by Admin1 »

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Sudiste

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Posts: 7

Reply #3 - Jul 20^th, 2013 at 5:20pm

Hello, No, there is no other way of checking the pointing of your Tooway dish other than with the built in beeper. I know it's a bit of a pain, but it is very accurate. I have noticed though, that with recent installations, even in perfect conditions, I cannot get a S/N performance better than about 11.5 db up or down, whereas in the past, 14db was commonplace. I don't yet know the reason for this, but the systems don't seem to work any the worse for it.

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Hipolito Gonzalez Senior Member ★★★ Offline Posts: 105 Spain	Reply #4 - Jul 20^th, 2013 at 6:49pm My SNR is changing over the time, now is about 10.7. I tried to align my antenna again, but is in the correct position. The beeper is Ok, but now the SRN is worst. I think that is the summer, heavy humidity in the sky...
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Munger Senior Member ★★★ Offline Posts: 129 Cambridgeshire, United Kingdom	Reply #5 - Jul 20^th, 2013 at 6:53pm Don't worry about it. If it hits 9 then go and play with the dish. Levels will fluctuate due to atmospheric conditions...
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Hipolito Gonzalez Senior Member ★★★ Offline Posts: 105 Spain	Reply #6 - Jul 20^th, 2013 at 7:48pm Thank you my friend.
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pladecalvo Senior Member ★★★ Offline Posts: 78 Valencia, Spain	Reply #7 - Aug 1^st, 2013 at 3:05pm If I do the alignment test I get an intermittent 'beep'. Shouldn't the beep be continuous??
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Hipolito Gonzalez Senior Member ★★★ Offline Posts: 105 Spain	Reply #8 - Aug 1^st, 2013 at 4:25pm The beep should be continuos. But In my installations, I leave the beep continuos and if restart the install procedure the beep is not continuos, at the same position, and needed to move away one degree the antenna and return to the position for getting the continuos beep.
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pladecalvo Senior Member ★★★ Offline Posts: 78 Valencia, Spain	Reply #9 - Aug 1^st, 2013 at 5:30pm This is very odd!! I get an intermittent beep-beep but if I put my hand in front of the Tria without moving the dish and then move it away, the beep changes to a continuous sound.
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