Problems getting 53E

badflyer · 06-01-2008

Hi all
Happy days! My dish can now see 43W to 45E, using 1.1m dish and stab HH120 motor, but i can't get the Russian channels on 53 East.

I understand that 11616v 2894 3/4 is the strongest signal on 53E, so i'm basing my tests on this freq.

To be honest with you, i've been pulling my hair out with my dreambox 500s/ HH120 stab rotor setup for a while now. Things have improved since i mounted by dish/motor on a 10ft pole at rear of garden, and now i can receive almost everything from 43W to 45E in a built up area.

45E booms in at 90% signal strength. Going further east to 53E i am using the step function in my dreambox 500s motor setup. There is a possibility i could just be clipping the neighbours roof at 53E, but i hoped having the 10ft pole and mouting the dish near the top of it would clear the neighbours roof.. I appreciate the beam for 53E is pretty low in the sky.... looks like i was wrong because I get nothing..

Another problem i have is as soon as the motor gets to about 55 degrees east, it automatically returns back to its zero position.. this is proving to be a real pain in the butt for me... I've disabled the limits in the dreambox, and used the recalculate function in the setup to recalculate all positions using 13E as the reference.

I hope some experts on this forum can help me

**Topper** · 06-01-2008

What frequency are you searching for is it 11044V?
If so that has a very unusual SR of 44951 FEC 3/4
Can you search that range OK?
Also at 53Deg East the dish should be pointing down to the ground slightly

badflyer · 06-01-2008

Hi, ultimately 11044V is my goal, but i am searching 11616v 2894 3/4 because the FEC rate is lower (to speed up the search process). and yes the dish does slightly point to the ground. The motor tracks west to east perfect apart from 53E.

**Topper** · 06-01-2008

But some tuners do not like such a low value of symbol rate I don't know about the DB though but yes the choice is very limited on that satellite

**Channel Hopper** · 07-01-2008

53 E can be a right pain, not only does it have a low elevation, but the offset dish will 'skew' the LNB off as a result of the motor turn, meaning your cross polarisation rejection goes up the spout.

**T_G** · 08-01-2008

Obviously me being in Germany (7 E) is a bit closer, but I get a few channels with my dreambox. Óne strong station is called MuzTV+Love, see screenshot.

P.S most Dreamboxes have shitty tuners, especially the low price range. On my 5620 you can't get anything witg SR below 6000

EuphoricaL · 08-01-2008

AlLibiya TV on 11616V is definitely the strongest for me (85%). The channels you want on 11044V are much weaker (77%). The belarus channels at 11162V come in at about 77%. Thats all I get from 53E.

The furthest east I can get is 62E, with Kanal-d and prima TV. You could try these if you solve your motor issue.

I'm using a dm500s with a 80cm.

***Park Royal*** · 08-01-2008

Just carried out a fta scan of 53east, very overcaste along slant path to satellite with light drizzle here. Pic of my dish at 53east and pic of a low SR channel. I find that I get highest strength and quality from this sat when USALS is set to 53.5 east.
fta transponders picked up as follows;
11044V, 44950, TV1 to TV 15 but no video/audio due to high SR, but strong strength and quality.
11161V, 5787, strong S & Q
11617V, 2894, strong S & Q
11631V, 2893, strong S & Q (see pic)
12665V, 30000, strong S & Q
Parky

badflyer · 08-01-2008

Thanks for the replies guys. @EuphoricaL What motor are you using? I guess it's not a STAB otherwise you'd probably be experiencing the same problem as me with the 500s @Park Royal I notice there's not much skew on your LNB? I wonder if the problem is my location in birmingham of 52N 1.9E

EuphoricaL · 08-01-2008

my motor is a Moteck 2100A. I've had plenty of issues with the dreambox motor control in the past, so it doesn't surprise me your having problems, the latest images are much better though.

EuphoricaL · 08-01-2008

Originally Posted by Channel Hopper

53 E can be a right pain, not only does it have a low elevation, but the offset dish will 'skew' the LNB off as a result of the motor turn, meaning your cross polarisation rejection goes up the spout.

Any change you could explain that again

I was under the impression that you set the LNB dead straight, and the motor turn lines up the lnb for each sat position, so no LNB skew is needed...

***Park Royal*** · 08-01-2008

Hi badflyer
According to my atlas, Birmingham is 52.5 degrees north and 1.9 degrees west, not east as you have indicated in your post. I wonder if that is one of your problems in tracking the arc?
My pic shows the dish pointing at 53east. I have a Stab HH-100 motor. The LNB is dead upright at zero degrees, the whole dish and lnb cants over as the motor drives east or west. That way the dish and lnb are square on to the vertical and horizontal signals from the satellites. It is only necessary to twist/skew the lnb on fixed dishes to line up with vertical and horizontal transmissions from the satellite.
At my location, 52*north and 1*east, the dish and lnb is at 31degrees off of vertical.
With my Stab HH-100 (and Stab H-120) motors I can cover the arc from 57*east (trees and houses block signals further east) to 58*west with USALS. I can then drive the dish in Diseqc to pick up a signal from a transponder on 61.5*west.
The Stab motors have not got the same range, east to west, as the Moteck type motors.
Parky

Captain Jack · 12-01-2008

Hm, my Stab HH120 didn't actually turn as far as 53E as I am at 2W and it kinda stopped at around 51E. I replaced it with a Moteck2100 which has a wider arc range (80 degrees each way) and it's OK. It IS a pain in the bum satellite, especially as the trees are in the way!!

But in the winter with no leaves, it's OK. 11044V is probably the strongest for me.

**Topper** · 12-01-2008

Originally Posted by badflyer

Hi all
Happy days! My dish can now see 43W to 45E, using 1.1m dish and stab HH120 motor, but i can't get the Russian channels on 53 East.

Are the Russian channels on 45 East not any good? They are advertising themselves as the first Russian TV package in Europe, I enclose some digi snaps for your respectives to cast their eyes over

badflyer · 13-01-2008

Hi Topper, I get those channels you mention on 45E. My mrs prefers to watch the channels on 13E. I've given up on 53E now, but have noticed we have some russian HD channels on 40E... i can't bring those in either.

**Channel Hopper** · 13-01-2008

Originally Posted by EuphoricaL

Any change you could explain that again I was under the impression that you set the LNB dead straight, and the motor turn lines up the lnb for each sat position, so no LNB skew is needed...

Of course.

The suggestion that all satellite transponder polarisations 'magically' align themselves at a particular location is part and parcel of the myth of selling domestic components (Universal LNBs ) by the trade.

For the main part, a fixed satellite installation will be unaffected by the correct alignment of the LNB in one polarisation, owing to the cross polarisation rejection of the LNB. In reality, a lot of satellites are actually transmitting at locations well away from the shortest distance to them (away from the equator and away from the nearest longitude),and therefore the individual transponders are adjusted by the satellite operators to optimise the delivery of signal by adjustment of downlink 'skew' on the satellite.

Additionally as the satellite received drops away from the high point in the geostationary arc, the two (and sometimes more than two) polarisations will often be no longer at 90 degrees to each other, in relation to the receiving station, as a result of the signal paths being at a slant to the viewer, and so the opposite polarisation to the one being received may not be filtered out totally by the universal LNB mechanical /electronic design.

Mechanical (de)polarisers are still used in the more professional set ups to reject the opposite polarisations directly after the feedhorn, to maximize the incoming signal to noise of a bank of transponders, before they hit the front end of an LNB, negating the compromise of port design in the all port (C120) entry path of universal LNB's.

This programme is utilised to set up a fully motorised system using a mechanical polariser on a per satellite basis, but it also shows the individual satellite down path slants when the correct parameters of the receive site are inserted into the fields.

http://www.arachnoid.com/satfinderonline/index.php

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