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universe

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Posts: 137
Reply with quote  #1 
what is the recommended dish size for satellites 58 west-0.08 west ,my location is eastern massachusetts.
majortom

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Reply with quote  #2 
no experience east of 55w, but gonna be dependent on the frequency band and footprints...
But there are programs that you can use to run a link budget for various scenarios.
https://smw.se/smwlink/
https://www.arrowe.com/



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Perfect 10 7.5' mesh Chapparal C/Ku Co-Rotor feed, Norsat 8115 CBAND, Norsat 4106A Ku Thomson Saginaw Actuator, Vbox positioner,
Home Brew Polarotor683 Servo circuit. Openbox S9, Prof7500, v4l-updatelee linux drivers installed.
DB8E/VHF Yagi rotor FM Bandstop ap-8700 preamp 8way split LG lcd.
ricardo's geo-orbit archive: https://web.archive.org/web/20071202191450/http://www.geo-orbit.org:80/sizepgs/tuningp2.html

universe

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Posts: 137
Reply with quote  #3 
Thank you,but during the weekend i did a complete satellite scan of my birds 58 west -0.08 west  found many circular feeds,Rick sells a feedhorn for this purpose  which i bought from him,works like a charm.
majortom

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Reply with quote  #4 

You asked, so we answer.
If you don't need to ask a question, don't...

alternatively, if you already figured something out you can always delete you own threads.
Save a mod some time...


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Perfect 10 7.5' mesh Chapparal C/Ku Co-Rotor feed, Norsat 8115 CBAND, Norsat 4106A Ku Thomson Saginaw Actuator, Vbox positioner,
Home Brew Polarotor683 Servo circuit. Openbox S9, Prof7500, v4l-updatelee linux drivers installed.
DB8E/VHF Yagi rotor FM Bandstop ap-8700 preamp 8way split LG lcd.
ricardo's geo-orbit archive: https://web.archive.org/web/20071202191450/http://www.geo-orbit.org:80/sizepgs/tuningp2.html

universe

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Posts: 137
Reply with quote  #5 
i wanted the forum to know,,without Rick telling me about wideband  i would get ZERO circulars...I do not work for Rick's satellite ......  this is not a sales pitch for any company,just a very happy customer. I understand i solved my issue on this question,just correcting myself & a million thanks to you guys on the forum.
universe

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Posts: 137
Reply with quote  #6 
majorTom  i answered my own question after doing research on the circulars,I did not want the forum guys to go through the trouble of answering a question i solved.You guys are too nice to help,why bother the guys any further.You are right, why bother the mod any further if conclusions are reached.......Sorry Major.
Captain_Kurtz

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Posts: 3,906
Reply with quote  #7 
Quote:
i wanted the forum to know,,without Rick telling me about wideband  i would get ZERO circulars...I do not work for Rick's satellite ......  this is not a sales pitch for any company,just a very happy customer. I understand i solved my issue on this question

I don't understand what problem you're saying that you "solved".
To get reliable reception of circular signals you need a feedhorn with either a dielectric plate or a quarter-wave plate.
That is not necessarily the same thing as a wideband feedhorn - but a
wideband feedhorn can have a dielectric plate installed for circular.
I also want to point out, in response to your initial question about dish size, that the lower the satellite is to the horizon at your location, the larger the dish that you will need, all else being equal, because of increased ground noise, and because satellites close to the horizon appear to be spaced closer together compared to satellites at the top of the arc.
Also, often you will be in the fringes of the footprints for satellites near the horizon.
You didn't say w
hich feedhorn you bought, or what size dish you are using?
Maybe you could post some signal strength numbers from a few satellites?
Captain_Kurtz

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Posts: 3,906
Reply with quote  #8 

P.S. For anyone using a Chinese C-band LNBF, receiving circular polarity signals can be as simple as installing the dielectric plate (often included with the LNBF) into the slot in the LNBF.

RickCaylor

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Reply with quote  #9 
Quote:
Originally Posted by Captain_Kurtz

P.S. For anyone using a Chinese C-band LNBF, receiving circular polarity signals can be as simple as installing the dielectric plate (often included with the LNBF) into the slot in the LNBF.



That is correct.  The PF9600W Pansat C LNBF we offer for 49.99 comes with the optional Die Electric plate and the throat of the feed has a slot for it to slide into.

We still get a few Pansat branded products from Linkbox, which changed their name from Pansat to Linkbox after some legal issues in the past.

Thanks,

Rick

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Please e-mail or call me if need to make contact @ rickcaylor@aol.com or Ricks Satellite / 816-228-1801.

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Fellow Members, your posts are welcome here! Do not worry about posting everything perfect. Different receivers and LNB's will give you different Frequencies and Symbol Rates. Some set top boxes, PCI cards and USB receivers, Do Not Require all of the same information that others may need. It is not Required to post everything that others may need to tune in a feed. It is just most important to share the find. We can always adjust the Frequency and Symbol Rates and try the various Modulations and FEC's on our own receivers until we get a lock and then give a polite reply with what works for your receiver, as that information might help others as well. We all appreciate the efforts and energy of the Posters!

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