Astra 2E: Scandinavia & Baltics Reports

[4wd]

Yes, but if you "over-drive" your receiver it may looks like the signal levels are low but it may cause intermodulation (interference) due to some very high signals

Hello, I can understand that a very strong transponder could overdrive some receivers, but am refering to BU failing early with the 'next to nothing' levels I get from 28E UK in the evenings, there is sometimes nearly nothing to amplify :O) Let alone overdrive anything (as far as I can understand...)

The Maximum xo-11 I have refered to gives some good Q %'s + a picture at very low sat signal strength, it's at those very minimal sat levels the BU quad does not perform well here, while the xo squeezes out a stable picture long after the BU had given up. Got basically the same result testing different Triax & MTI quads, and some other singles, that single xo-11 always the best so far on this particular setup

 

[4wd]

Got consistant 12.5 dB C/N readings on 10773H \ This evening, I'm down to 10.2 dB, even across a span of several hours. Still not changed anything physical.

Complete opposite here, very strong 2e\f\g tonight, not touched anything. Sorry, no explanation.

 

[archive10]

The Maximum xo-11 I have refered to gives some good Q %'s + a picture at very low sat signal strength, it's at those very minimal sat levels the BU quad does not perform well here, while the xo squeezes out a stable picture long after the BU had given up. Got basically the same result testing different Triax & MTI quads, and some other singles, that single xo-11 always the best so far on this particular setup

It also helps that the XO-11 is one of the cheapest LNB's around.
From the (lack of) weight, I am guessing it is a plastic feed-horn design etc.
It also has almost no neck to speak of, so no room for adjustment on e.g. Channel Master dishes (where the focal point is a couple of cm's rather than straight in front of the LNB holder).
but if it works...
In my set-up, the BUQ clearly outperforms the XO-11, though.

 

[hexah]

As I always say there is no substitute for gain and that means getting a bigger dish. Because this is so marginal that would not be the next size up it would be the second size up. Laminas make good fibre dishes at reasonable cost.

Just to add to the LNB list, don't forget the Invacom it has a lower gain than average but also low noise across the band so it often beats the Inverto Black Ultra and Opticum for fringe reception because you get a better CNR.

 

[4wd]

but if it works...

It's a mystery, the £5 xo should not be 'the best' but "on this particular setup" = best results on the 120 combined with weakest 28E UK levels. xo nothing special when tried on other positions\dishes.

Edit: just read https://www.satellites.co.uk/forums...80-for-28-2e-reception-in-scandinavia.165969/, the x0-11 doing a good job there.

Anyway, shows it's worth experimenting and having fun trying different stuff (got a basket of lnb's), one may be lucky after spending enough hours\days\weeks :O)

btw, got two bu quads in use on other dishes and they perform well there, & long neck proving useful.

About 2E UK, all well apart from 10847 V (the HDs), larger dish needed for stable evening reception of that one, daytime excellent.

 

[archive10]

It's a mystery, the £5 xo should not be 'the best' but "on this particular setup" = best results on the 120 combined with weakest 28E UK levels. xo nothing special when tried on other positions\dishes.

Edit: just read https://www.satellites.co.uk/forums...80-for-28-2e-reception-in-scandinavia.165969/, the x0-11 doing a good job there.

That's a very good point - if you get 90% of the way with a EUR 5 LNB, then you should be happy...
Unless the extra EUR 20 gets you the final 9% to make your smile stay on during the heavy rains (or whatever).

Anyway, shows it's worth experimenting and having fun trying different stuff (got a basket of lnb's), one may be lucky after spending enough hours\days\weeks :O)

btw, got two bu quads in use on other dishes and they perform well there, & long neck proving useful.

Ah - there's another intersting discussion:
Why do the Black Ultras have such long necks??
Is this purely a design luxury - after all the waveguide makes no difference if 5 or 8 cm's long, does it?

Maybe it is a marketing thing - these things are good for high-end fiddling.
Or I think not. We are a small community of fiddlers - the vast majority just want the damn thing working.
So... why do they have such long necks?
And why don't we have other mfgs with simliar "XL" versions??

 

[bema]

Ah - there's another intersting discussion:
Why do the Black Ultras have such long necks??
Is this purely a design luxury - after all the waveguide makes no difference if 5 or 8 cm's long, does it?

The diameter in the feedhorn side is 18 mm. In the other end it's 17 mm or less if I remember correct. Two different diameters. A change of impedance will not work if the distance is too short

 

[bema]

Just to add to the LNB list, don't forget the Invacom it has a lower gain than average but also low noise across the band so it often beats the Inverto Black Ultra and Opticum for fringe reception because you get a better CNR.

If it has lower noise compared to IBU the feedhorn is not working properly. Overall performance is worse compared to IBU. Maybe the feedhorn fits some dishes, but not the majority. If I remember correct there are a lot of "extra pins" etc in the feedhorn. That indicate bad design and someone had to do some post-tuning which also seems to failed...This is at least valid for QTH-031..

 

[Tronic]

Yes, but if you "over-drive" your receiver it may looks like the signal levels are low but it may be due to intermodulation (interference) from some very high signal level transponders. I had that problem with one of my TBS cards with a cable of only 12m. The 10 dB attenuator gave me the channels back...

Hi,
I totally agree with Bema in this case. Dish size is not Everything, when it comes to big dishes its important that the lnb have very good IP3 performance (can handle weak and strong signals at the same time witout going in to intermodulation).
At my location both Invacom and Inverto inb:s goes in to IM.
Have anyone tried any proffessional lnb:s from SMW or Norsat?

 

[4wd]

After a drop some days ago, 2E uk now excellent reception. 2G uk as well.

 

[zakdk]

Hi can anyone help me here in denmark -11582 frequency i get a good 70% but with 11876H and 11934V nothing ,what am i doing wrong(with a 80cm motorized setup and Black inverto LNwhat makes the other frequencies distinquished?

 

[timo_w2s]

Hi can anyone help me here in denmark -11582 frequency i get a good 70% but with 11876H and 11934V nothing ,what am i doing wrong(with a 80cm motorized setup and Black inverto LNwhat makes the other frequencies distinquished?

11582H is on Astra 2G Europe but 11876H and 11934V are both on Astra 2E Europe. Even so, you should have no problem getting them in Denmark. Are you getting all other frequencies between 11720H - 12480V? All those are on Astra 2E Europe or Astra 2F Europe.

 

[Captain Jack]

My friend in Odense, DK is getting all European beam transponders on his "Squish" dish - 80cm should be plenty.

The frequencies you mentioned are in the high Ku band, which makes me think that you might not have the LNB set up correctly in receiver settings. Or 22kHz switching isn't working.

 

[Tururu]

Do not forget to review the high frequency oscillator has to be 10600Mhz.
In many tuners mistake this to 11750Mhz.
So the frequency of the high band not tuned to have a 150Mhz. error in the search.
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Sin olvidar revisar la frecuencia del oscilador de alta que tiene que estar a 10600Mhz.
En muchos sintonizadores por error esta a 11750Mhz.
Por eso las frecuencias de la banda alta no las sintoniza al tener un error de 150Mhz. en la busqueda.

 

[zakdk]

thanks any clues what i should exactly do??

 

[Tururu]

Verify that the ratio tp's search is correct (these to the last).
In other tuners with the option to search network, read the missing, but in the VU+DUO2 not work, I mention lest the same thing happens to VU+SOLO2.
As you have 2 tuners (A and B.) is the same in the 2?
Swap the cable to the LNB to verify that the problem is not the tuner and dual LNB you have.
Dual LNB as 2 LNB's are stuck in the same box, you can break one and the other to work well.
Put some photos of the tuner settings you have, it is faster, using OpenWebif from the PC you have better quality than a picture of the TV (insert IP tuner in the browser).
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Verifica que la relacion de tp's de busqueda es correcta (estas a la ultima).
En otros sintonizadores con la opcion de busqueda en red, lee los que faltan, pero en el VU+DUO2 no funciona, lo comento no sea que le pase lo mismo al VU+SOLO2.
Como tienes 2 sintonizadores (A y B.), pasa lo mismo en los 2.?
Intercambia los cable en el LNB para verificar que el problema es del sintonizador y no del LNB doble que tienes.
Los LNB dobles son como 2 LNB's metidos en una misma caja, se puede romper uno y el otro funcionar bien.
Pon unas fotos de la configuracion del sintonizador que tienes, es mas rapido, usando OpenWebif desde el PC tienes mejor calidad que una foto de la TV (pon la IP del sintonizador en el navegador).

The tone mode has to be in band.
If you send the 22KHz tone LNB switches to high band (11700-12750), who sees the pitch, working in low band (10700-11699).
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El modo tono tiene que estar en banda.
Si manda un tono de 22Khz el LNB conmuta a banda alta (11700-12750), que no ve el tono, trabaja en banda baja (10700-11699).

The values will be similar to these, I put forward for you to see them, would have to be simple.
Los valores seran similares a estos, pongo avanzado para que los veas, tendria que estar en sencillo.



PS: The values are valid on all satellites (including Astra 28'2ºeast)/Los valores son validos para todos los satelites (incluidos los Astra a 28'2ºeste).

 

[zakdk]

thanks ,my settings are the same as Photo but still nothing new.
I think as per above posts -Astra 2G Europe beam is no problem ,but somehow Astra 2E Europe or Astra 2F Europe im unable to get a resonable signal,are all 3 beams the same ?

 

[timo_w2s]

thanks ,my settings are the same as Photo but still nothing new.
I think as per above posts -Astra 2G Europe beam is no problem ,but somehow Astra 2E Europe or Astra 2F Europe im unable to get a resonable signal,are all 3 beams the same ?

2G should be the strongest but 2E and 2F should still be easily receivable in Denmark. CJ's friend is using a "dish" half the size of yours without problems.

 

[zakdk]

i will try adjusting the dish ,lnb skew tommorow and see if i can get them,frustrating when i do get the 2g but not the others .

 

[archive10]

i will try adjusting the dish ,lnb skew tommorow and see if i can get them,frustrating when i do get the 2g but not the others .

They are booming in here in Northeast Sjaelland. I get them very loud and clear on 100,120,180 cm dishes.
I have, as other forum members, felt that pointing the dish at 2G takes a little of 2E/2F - but that's really only going to affect fringe reception, and large (>100cm) dishes.
My point is that if your dish is pointing to, say, 28.5 or similar, you may just about get 2G, but loose out on 2E.
How are you using motoring positions? I am assume you're set up with USALS. No?
And, where in DK are you?
All clues are welcome.