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4 degree spacing on 1.2m dish

Discussion in 'Free To Air (FTA) Discussion' started by comfortably_numb, Jan 26, 2019.

  1. comfortably_numb

    comfortably_numb Topic Starter Dogs have owners, cats have staff
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    Well, it finally warmed up a bit today (into the 30's!) so I decided to do some experimenting with my 1.2m dish. It's currently fixed on 99 and I'm having good results. I decided to see if an offset LNB would tune in 105.

    I focused on the Echostar test card as my target, and tuned it easily. Then, to my surprise, upon doing a blind scan on 105, it pulled in all the transponders on 103, including the NBC mux.

    I got to thinking, hmm... if I can tune 99 and 103 on one dish, it frees up my 90cm for something else.

    I've never had much luck with 4 degree spacing before, but on this 1.2m dish, it works perfectly :)

    IMG_0147.JPG IMG_0146 (1).JPG
     
    #1 comfortably_numb, Jan 26, 2019
    Last edited: Jan 26, 2019
    spongella, Jason S, raydio and 2 others like this.
  2. danristheman

    danristheman SatelliteGuys Pro

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    You can have a setup like mine.
     
  3. Jason S

    Jason S Ordinary Average Guy...
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    Nice job, CN!

    I put together a similar setup for 97°W and 103°W. My better assembly is shown in My first multiple LNBF setup, if you scroll up from there you'll see the earlier part of the project.

    I had plans to expand on the multi-LNBF, but that didn't progress very far after I installed an HH-120 motor.
     
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  4. iBoston

    iBoston SatelliteGuys Pro

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    I suggest you point at 103 and then side lobe to 99. 103 has some tough signals, but 99 is cake walk. That's what i got, and its never an issue.

    upload_2019-1-29_12-39-30.png
     
  5. comfortably_numb

    comfortably_numb Topic Starter Dogs have owners, cats have staff
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    99 is not a cake walk at my location. Even with the LNB dead-on, I have issues with the three 24/7 CBS feeds
     
  6. iBoston

    iBoston SatelliteGuys Pro

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    Well, then, i take that back, point at 99 and side lobe to 103... :)
     
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  7. comfortably_numb

    comfortably_numb Topic Starter Dogs have owners, cats have staff
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    Its weird. I am in the strongest band for 91; I can pick up all Ku feeds + NPR mux + BYU Cband on a 90cm dish, but for some reason 99 gives me issues sometimes even on a 1.2m
     
  8. primestar31

    primestar31 SatelliteGuys Master

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    Probably because the 1.2m dish see's a c-band transponder from either sat to the side, and they are fighting each other. The beamwidth for c-band reception is much greater than for KU reception on any particular dish. PERHAPS you can slightly tune OFF of 99w to either East or West, and it'll work better for you.
     
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  9. comfortably_numb

    comfortably_numb Topic Starter Dogs have owners, cats have staff
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    In this case, I'm referring to the Ku CBS 24/7 feeds primarily. I can get Infowars fine, Fox mux fine, JBS fine. kofi123 says I should be able to get the CBS LA feed fine on a 1.2, but it only comes in sometimes, and only late at night.
     

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