Ka lnb ?

[zorrin]

Hi everyone,

Is it interesting to have a Ka LNB?
Do you know where to find an inexpensive Ka LNB?
If possible in Europe or better in France?
I don't know anything about this tape and I would like to understand why it seems to me that it came and went so quickly for TV not DATA use.
Is it possible to use just the RX part of a TOOWAY LNB like this one ?

 

[s-band]

The Viasat/Tooway that you show is not easy to modify for other uses.

Search the forum for "Gilat". John, Dreamsat and others have posted lots of info regarding modifications of Gilat ODUs for sat TV.

 

[zorrin]

or maybe this one ?


or this one (maybe the same) ?

 

[Llew]

or maybe this one ?

View attachment 141871
or this one (maybe the same) ?

View attachment 141872

Never used one of those, SWiM multituners not easy to modify, as we have done with an SL3 (similar casing but with four outputs). See -

The DirecTV SL3K4NR1-03

Ok .. Today I took delivery of a more recent variant of the DirecTV SL3 Triple Ka/Ku/Ka lnb.. First impressions are favourable .. This LNB from the USA is most likely the last variation that is useful to us in the UK/Europe as it doesn't use SWiM tech thus we can access the bands directly.. Swim...

www.satellites.co.uk

and

..and so it begins ..

..My Directv lnb arrived this morning ..a strange looking beast to be sure .. The B band IF convertors are still in transit ..but first things first.. First job ..get it mounted . Neil being the experimental type ..was chosen ..mostly because he's 1.2m ..and a convenient height at which to work...

www.satellites.co.uk

- where we had some success using an SL3K4NR1 or SL3K4NR0 for KA Band A and if I remember, Band B.

Those LNBs can sometimes be found for sale in the US on ebay, £20-30 or higher, and the sellers will often agree to send to the UK. Be prepared to pay a hefty price though for postage.








+-

 

[moonbase]

- where we had some success using an SL3K4NR1 or SL3K4NR0 for KA Band A and if I remember, Band B.

Those LNBs can sometimes be found for sale in the US on ebay, £20-30 or higher, and the sellers will often agree to send to the UK. Be prepared to pay a hefty price though for postage.



+-

I think I may still have one of those LNB's in the loft in a box full of Ka-Band stuff.
There might also be one of the band pass filters that were used with them or some other modification going on at that time.

Forum member "Vipersan" was one of the original modders with these, there should be a fairly long and detailed topic on the forum about these LNB's and the modification process?

 

[Llew]

I think I may still have one of those LNB's in the loft in a box full of Ka-Band stuff.
There might also be one of the band pass filters that were used with them or some other modification going on at that time.

Forum member "Vipersan" was one of the original modders with these, there should be a fairly long and detailed topic on the forum about these LNB's and the modification process?

Two links shown in my post. There may be more, and yes, you need a modded SUP2400 downconverter (quite cheap on ebay).

 

[Channel Hopper]

You can find the Saorsat LNB (made by Labgear) if you look hard enough. 19.7 to 20.2 GHz.

There is also the Inverto twin at the same band.

 

[zorrin]

But why is it so difficult to find a Ka Lnb?
I mean at a normal price, not at 500 euros I guess it's because there is no mass production.
Yet there were sales and then nothing...

 

[Channel Hopper]

Apart from certain territories, Ka band is not a domestic product.

Anything to do with consumer reception outside the broadcast, with the exception of emergency installations has always been something for the enthusiast.

 

[zorrin]

Apart from certain territories, Ka band is not a domestic product.

Anything to do with consumer reception outside the broadcast, with the exception of emergency installations has always been something for the enthusiast.

I agree with you and at the same time with internet, Amazon, ebay and other sellers I am very surprised to find nothing.
It's like all Ka products from INVERTO, impossible to find easily it seems to me.

 

[Channel Hopper]

I agree with you and at the same time with internet, Amazon, ebay and other sellers I am very surprised to find nothing.
It's like all Ka products from INVERTO, impossible to find easily it seems to me.

Since you are in the EU, no duty with purchases from Ireland.

KA Band LNB Saorsat LNB Satellite Broadband LNB Twin KA Band LNB Eutelsat 9E LNB | eBay

Find many great new & used options and get the best deals for KA Band LNB Saorsat LNB Satellite Broadband LNB Twin KA Band LNB Eutelsat 9E LNB at the best online prices at eBay! Free delivery for many products!

www.ebay.co.uk

But if you want to acquire a complete system

tooway satellite broadband dish and receiver | eBay

Find many great new & used options and get the best deals for tooway satellite broadband dish and receiver at the best online prices at eBay! Free delivery for many products!

www.ebay.co.uk

 

[s-band]

The Tooway looks like the Viasat ODU. Has anyone actually got one of those going for sat TV?

I'd go for a Saorsat or wait until one of these comes up again:

Satellite Internet Broadband Kit including KA dish receiver, router & modem. | eBay

Find many great new & used options and get the best deals for Satellite Internet Broadband Kit including KA dish receiver, router & modem. at the best online prices at eBay! Free delivery for many products!

www.ebay.co.uk

The Gilat AN8002 will do band B and can be stretched to most of A. The AN8004 (rarer) works as it is on band D. The AN8024 (common in Russia although that's no help now) covers bands E to the middle of C ~17.5-21.5GHz. There are some other Gilats but they are very uncommon.

 

[zorrin]

Since you are in the EU, no duty with purchases from Ireland.

KA Band LNB Saorsat LNB Satellite Broadband LNB Twin KA Band LNB Eutelsat 9E LNB | eBay

Find many great new & used options and get the best deals for KA Band LNB Saorsat LNB Satellite Broadband LNB Twin KA Band LNB Eutelsat 9E LNB at the best online prices at eBay! Free delivery for many products!

www.ebay.co.uk

But if you want to acquire a complete system

tooway satellite broadband dish and receiver | eBay

Find many great new & used options and get the best deals for tooway satellite broadband dish and receiver at the best online prices at eBay! Free delivery for many products!

www.ebay.co.uk

Thank you @Channel Hopper
56 euros delivered, I just took one

 

[Satspot]

Interesting but this link from eBay.ie shows the same seller is based in Strabane Northern Ireland so UK purchasers won’t be paying anything extra. You need to keep your eyes wide open with eBay KA Band LNB Saorsat LNB Satellite Broadband LNB Twin KA Band LNB Eutelsat 9E LNB | eBay

 

[ozumo]

A quick check on Lyngsat & Flysat suggests other than Saorsat with it's limited footprint there are only data transponders that can be received with the standard range of the Saorsat LNB.

 

[John]

@zorrin , this question should have been asked to answer your first #1 post because you might want to consider cancelling your order for a Saorsat lnb.
"What type of content exactly do you want to view from Ka band transmissions ?". There are four different Ka 'Band' lnb ranges, usually one lnb per band range, a very very expensive Ka multi band is available. If it's the same as the posts you see on the forum showing domestic type channels, usually from 16East , 7East or 42East Ka transmission frequencies then a Saorsat lnbf is no use to you unless Eutelsat activates one or more of the Ka 'spot' beams 21 to 34 to illuminate you in the region of France that you are in, but i can't remember seeing any posts on the forum talking about seeing anything from these 'spot' beams.
A Saorsat lnb straight out of the box covers 19.7 to 20.2GHz Upper Band B Circular polarity, the channels from Eutelsat 7 & 16East that are shown on the forum are within 21.2 to 22.2GHz Band D Linear polarity , 42East Turksat Ka channels are Circular polorised and are in Band A frequency range 18.2 to 19.2 GHz range .
So as you can see, Ka band reception is not an easy 'plug & play' system with a 'one size fit's all' solution and iv'e probably missed out other information that might be relevant to the subject that will be picked up on by others hopefully.
Hope this helps a bit & good luck .
** Edit - just seen ozumo post whilst i was typing .

 

[Channel Hopper]

Not knowing where in France Zorrin is I can't confirm if Saorsat transponders can be received but the point of the Labgear VKA2 as an initial purchase is more to confirm the reflector and other outdoor components function satisfactorily at the higher frequencies.

With the range available with a modern 2250MHz front end, with the VKA2 LO of 21.2 GHz scanning will go somewhat below Band B frequencies (the GTMedia Combo open end limits should offer slightly more).

Turksat 4A, should be feasible, as should HellasSat 3.

EsHail 2 should be possible by altering the depolariser location.

Astra 1L may also be observable if the 3dB loss can be overcome, or by removing whatever hardware is inside

https://ses-footprint-assets.s3.amazonaws.com/uploads/footprint_images/high_astra-1l_europe_ka_band_beam_M.jpg

 

[dreamsat]

Unfortunately, modifications and conversions of this LNB are not so possible. The probs are different than with the Inverto LNB and this means that in the linear range there is always only one level that can be received more optimally. I've really done a lot of tests with this LNB and I've never been able to get H and V to work optimally. If you are a beginner in this field, you should be aware that the result will be bad or the LNB will be destroyed after an intervention. At that time it took me almost a whole year before I had a result with the application of dielectric material and dampening the filter.

best regards

 

[zorrin]

@zorrin , this question should have been asked to answer your first #1 post because you might want to consider cancelling your order for a Saorsat lnb.
"What type of content exactly do you want to view from Ka band transmissions ?". There are four different Ka 'Band' lnb ranges, usually one lnb per band range, a very very expensive Ka multi band is available. If it's the same as the posts you see on the forum showing domestic type channels, usually from 16East , 7East or 42East Ka transmission frequencies then a Saorsat lnbf is no use to you unless Eutelsat activates one or more of the Ka 'spot' beams 21 to 34 to illuminate you in the region of France that you are in, but i can't remember seeing any posts on the forum talking about seeing anything from these 'spot' beams.
A Saorsat lnb straight out of the box covers 19.7 to 20.2GHz Upper Band B Circular polarity, the channels from Eutelsat 7 & 16East that are shown on the forum are within 21.2 to 22.2GHz Band D Linear polarity , 42East Turksat Ka channels are Circular polorised and are in Band A frequency range 18.2 to 19.2 GHz range .
So as you can see, Ka band reception is not an easy 'plug & play' system with a 'one size fit's all' solution and iv'e probably missed out other information that might be relevant to the subject that will be picked up on by others hopefully.
Hope this helps a bit & good luck .
** Edit - just seen ozumo post whilst i was typing .

Thank you for your feedback and your explanation and I completely validate your analysis.
But I have my idea...
yes it's a game run by my wallet...
I don't have the budget for a full band LNB or several LNBs at 300 euros for each part of the band.
I remember modifying several LNBs 20 years ago to drag the frequency up or down.
I'm not saying it's possible with the SORASAT LNB but it covers the central part of the spectrum and so if it's possible it's the most suitable for testing.
it is also possible that it covers a little more than expected.

 

[zorrin]

Unfortunately, modifications and conversions of this LNB are not so possible. The probs are different than with the Inverto LNB and this means that in the linear range there is always only one level that can be received more optimally. I've really done a lot of tests with this LNB and I've never been able to get H and V to work optimally. If you are a beginner in this field, you should be aware that the result will be bad or the LNB will be destroyed after an intervention. At that time it took me almost a whole year before I had a result with the application of dielectric material and dampening the filter.

best regards

without modification you know that it was the frequency range really covered?