Help! express Am22 satellite jeddah

hi

I was tring to setup satellite internet from satconxion from spain and as the company said i bought a 1.8 m dish and tied to receive express am 22

freq 11481,h,42150

but unable to lock the signal

pls can any body help me ,i tried to lock signal using satfinder and even receiver..but failed..

the coverage ,aps say jeddah,saudi arabia eirp value 39db

but the particular freq above has spot beam on jeddah @ 47 db as from satcodx.com and lyngsat.com

where iam going wrong iam not able to get .

but the company says <1.8 m dih no reception gurantee

HELP ME PLS

hi

Thanks eric,i got the satellite already but iam not getting high SNR.the signal is not going above 28 %.i adjusted lnb but it went upto 35% once and again went down to 28% ,i tried moving lnb both sides and swinging dish left and right ,and up and down but no change ,the signal drops to zero ..but all tv channels r clear and even sky grabber is working fine ,iam getting files and there is data reception but 28 % is very low .The connection iam going to buy is from spain(www.satconxion.com) 16 MB speed..the isp told us to get 1.8 m for our area..still signal is 28%..any chances to get more signal out of it...

I found the satellite using satfinder software ,as predicted buy the software and coverage map..using a PC..

Thanking u
Imr

hi

Thanks again for ur help eric,i tried all that u told me ,the signal never going more than 28 in any way but the other tv channel signal with low symbol rate is increasing upto 56%..


So i dedeided to change the dish to much bigger coz the isp telling me to have min 70% signal for quality 16 MB one way satellite internet


It a 3 m cirular dish ,how much can be increase in signal,hope i get more than 70% ...


Thanking u
Imr

hi

Thanks eric, The TV signal frequecy is 11044 V,29800-3/4
And its max 56 % @ +33 degress (clockwise)and goes down to 28% @ 0 deg lnb position and when the tv signal was @ 40%, 11481 h frequency was @ 33% .BUt then i couldnt get 33 again.but aw i need 70% .so surely  need a large dish i decided 3 m ..

The 3m dish not yet connected but its available with me ,will be tested tommorow..

Also do i need to keep 3m dish @ high level or ground level is enough coz i got the satellite @ 5 floors above the ground with 1.8 m dish but even at that i couldn lock with 1.2 m dish .

Thanking u

Imr

hi  

thanks eric,

Today we just checked the dish,its too huge i think it is 5m with rusted bolts ,we couldnt do anything about that dish,we couldnt even move it in any way..lol.

But we decided to buy 2.4 m dish ,coz u see fixed beam
signal is 39 db(i suppose) in our area according to
https://www.satconxion.es/eng/products-services-satellite-one-way-europe-smartba...

And i saw spot beam is more in vale it seems.

And it was a typing mistake in here abt the symbol rate

its 41250 not 42510

And one more thing for internet is is compulsary to have a parabolic dish,coz the 1.8 m is a circular dish and 2.4m which we will be getting is also a circular one ..


parabolic and solid dish is available only upto 1.2 m in my city jeddah.

as u said the BEC was very high at some position were the signal was 28% and at some position it was low and at some position it was "0" as found by skygrabber (offline internet downloader)

the receiver iam using is a pci card (technisat skystar 2)

and software for locking satellite is satfinder(www.fastsatfinder.com) ..

even i used a humax receiver  with tv

Soon i will write the results of 2.4 signal level

Thanking u
Imr

hi

Thanks eric ..Great analysis!! u r right The skystar 2 card supports max 29 MSPS ,and may be thus signal wont go beyond 28% due to very high symbol rate (41250 Ksps)

I checked with tv receiver humax ace II ,the signal was 50 %! a huge improvement ! and with another receiver uec Dsd supporting 45MSPS but the signal was 37% But still the signal in pc is 28 % ..due to card may be but i got 36 evenin card but dint stay for long .went to 30% then 28%


what u say !So i decided to buy 2.4 m dish + a good pci card supporting 45 MSPS max


The card is twinhan sat ci
https://www.visionplus.us/visiondtv-sat.htm
https://www.visionplus.us/visiondtv-sat-ci.htm

Will i get good siganl in these cards coz they have symbol rate 2-45MSPS

And whatcard u recommed ,coz the company  i will get email after 1 or two days (sat and sun holiday)

The company specifically mentioned for 16 MB connection pci card is required and it wont work on usb tuners may be coz of transfer limitations in usb...

hi

thanks eric

I installed 2.4m dish ,i locked the satellite (11481,h,41250),
Check the results

Tvreceiver humax (supporting max 31 MSPS)

signal Q:26%
signallevel:70%

Tvreceiver topfield(supporting max 31 MSPS)
signal Q:26%
Signal level:70%

PCicard technisat sky star 2 pc (supporting max29MSPS)

signal q:28%
signal Level:??

tvreceiver UEC(supportingmax 45 MSPS)

signal q:60%
signal level:80%

In humax receiver
Tv channel signal level (11044,v,29800) 100%
signal quality:86%


So i thought of changing my pci card to (twinhan sat ci)


Specification
  Tuner • Input terminal: F-type 75 Ohm
• Receiving Frequency: 950 ~ 2150 MHz Tuning Range
• Input Level: -65~25 dbm
QPSK & FEC • Symbol Rate: 2~45 Msps
• FEC: 1/2, 2/3, 3/4, 5/6, 7/8 and Auto
LNB & Switch control  • LNB Supply Voltage: 13 or 18V
• DiSEqC: 1.2
• Support Data Burst & Tone Burst
• Antenna and LNB Control: 22KHz Tone
• Max. LNB Supply Current: 400MA with Short Circuit Protection
PCI interface • Bus: PCI 2.2 Compliant
• Host Bus Burst Rate: 132MB/s
• Host Bus Width: 32 bit
De-multiplexing • Engine: Software
• Streams Capture: PES and TS
A/V Format • Video Format: MPEG-II Main Profile& Main Level
• Audio Format: MPEG-II Audio Layer I & II


So  iam assuming thiscard willshow60 % signal quality since it supports 45MSPS

The stand is not rock solid yet  to be cemented coz the  air is shaking it .

Thanking u

Imr

He was trying to receive the one-way satellite internet service provided by SkyDSL on AM22 satellite at 11481 MHz H 41250 sps 3/4

There is an alternative, Spacegate at 10974 MHz V 29207 sps 7/8.   

I don't know prices but you can find more info on their websites at:
https://www.teles-skydsl.co.uk/
https://www.spacegate.com.ua/en/index.html

Best regards, Eric.

The pointing directions look about right, although my calculation gives beam elevation = 37.3 degrees.  What is the name of your location/island ?

Set the elevation scale very carefully, using a magnifying glass if necessary.  Then swing the dish boldly around the approximate azimuth angle.  You should find the satellite first time.

Do set the polarisation correctly.  While facing the satellite rotate the feed/LNB 31 deg anticlockwise from either the vertical or horizontal starting position, as specified, for the carrier you want.

If you are not finding the carrier, check the LNB local oscillator frequency in use (e.g 9.75, 10, 10.6, 11.3 GHz) is set correctly.

Also try increasing or decreasing the elevation angle in 1 deg steps, and swinging the dish again.

You will definitely need your PC or some other signal measuring device next to the antenna to detect the satellite and to peak up.  The accuracy of pointing required is very high.  

Best regards, Eric.

Check your location lat and long again using https://www.satsig.net/maps/lat-long-finder.htm   I can't read the Greek name for Porto Rafti but I am sure you will be able to work out where you are.  You may be able to see your house.  

Elevation angle 36.6 deg perhaps ?  Set it on the scale.

Using Technisat Skystar 2 pci card you will need to input the wanted carrier frequency on the set upscreen, like one of:

Horizon 12708 MHz, H=Horizontal, 26665 symbols/sec FEC=8/9
Skylogic 12716 V 27500 2/3
PlanetSky 12602 H 4285 3/4  iDirect ?
SkyDSL 11481 H 41250 3/4   one way satellite internet service
Spacegate 10974 V 29207 7/8   one way satellite internet service

Use whatever information is provided by your service provider.  It may be one of the above.

The frequency, e.g. 12708 GHz is the downlink from the satellite.

The LNB converts to a lower frequency in the cable.  The conversion frequency is the local oscillator in the LNB.  If you have a Universal TV type LNB it probably has two alternative oscillators, 9.75 and 10.6 GHz selected by using a 22kHz tone sent up the cable for the high frequency option.  So, for example in the  Technisat Skystar setup select 22KHz tone ON.   This will make the LO go to the higher frequency of 10.6 GHz.

If you then input a chosen carrier at 12708 the card will calcuate the correct frequency in the cable 12708 - 10600 = 2108 MHz.

The card also needs to know the symbol rate e.g. 26665
The FEC rate, like 8/9 may be discovered automatically. Select Auto if you don't know.

If you have a universal satellite TV LNB and mount it upright on the arm, vertical polarisation will be with the voltage low like 13 volts and Horizontal with +19 volts.  You will still need to adjust it about 31 deg anticlockwise from the upright starting position.

Best regards, Eric.

If your dish has an elevation angle scale, use it to set the elevation angle to 36.6 deg.  The manufacturer will have already taken the dish offset angle into account, so use 36.6 deg.

If there is no scale, set the front face of the dish exactly upright.  The beam elevation angle will then be the same as the offset angle, which you must obtain from the manufacturers data.   Your wanted beam elevation angle is 36.6 deg and since this is greater than the offset angle you will need to tilt the top of the dish backwards by a further amount = 36.6 - offset angle.

Offset angles, e.g 22 deg, vary from one dish design to another.  That is why offset dishes normally have a scale.

Best regards, Eric.

I knew that I was doing something wrong.
But it turned out to be the ramification switch which was not working, so there never was a connection between the LNB and the PCI card!
The local mechanic found it and I payed 50 euros for his work!
Well anyway everything is working normally now and I am able to download 11Mb in less than 3 minutes!
Thank you for the support again.
Best regards.