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Thread: Setup for weather satellite GK-2A

  1. #41
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    Strong looking signal you have there hca.



  • #42
    Junior Member hca's Avatar
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    Maybe I should send one down to you to try on the Novra for GK-2A HRIT?

    You have the Novra receiver and the working Kencast which I don't, although a $25 box that with I hope I can eventually make into a WX sat receiver arrived today.
    Last edited by hca; 01-07-20 at 01:24 AM.

  • #43
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    GK-2A HRIT is CCSDS. I didn't think the Novra would work with that? UHRIT is DVB-S2, but it's up on X-band 8GHz and needs a 3.5 - 6.5m dish.

  • #44
    Junior Member hca's Avatar
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    Ok I dont know, but it maybe explains the spiked data signal up the band a bit, I see on Sams page similar. Getting hands on with these signals is all new ground for me and there is so much material to churn through. Sams been working on HRIT so I think its time to consult with him.

    However one the 2 chip wonder $20 receivers arrived yesterday the GX6622 ethernet one, the GX6605s is in transit still. Also I have the development board on the way from Ali express and one of those 10eu pci cards in process. I found a tool that opened firmware into the linux file systems but yet to mount them in a linux box.

    Still short on some info on the 2 chips but everything looks encouraging for now. These receivers boot from a bios in an SPI flash and apparently will boot on a usb stick. From this pix you can see its simple enough, so first thing is to map out the interconnections of interest. Its all going to take some time.


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  • #45
    Junior Member hca's Avatar
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    I put the compete howto for converting the Indovision S band LNBs to L band LNAs on my unused github for anyone interested. Its dead easy with due care.


    BTW, converting a cheap DVBS2 box for Himawari HRIT is looking up in most respects and down in others.

    For now learning to interpret GK_2A images to real time conditions which is quite useful for us. Thanks for starting the topic.

    If some one wants one of these lnb's yell out and I will see how much to send one down by registered post.
    Last edited by hca; 07-07-20 at 07:34 AM.

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  • #46
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    Quote Originally Posted by Learjet View Post
    GK-2A HRIT is CCSDS. I didn't think the Novra would work with that? UHRIT is DVB-S2, but it's up on X-band 8GHz and needs a 3.5 - 6.5m dish.
    Learjet
    We need your attention Sir on the other thread. (Himawari 8)

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    Not responsible for any post written after the 28/10/2014. My pet hate, Corrupt Politicians, Corrupt Legal System + a legal system Australia wide that does not allow you to sue a Solicitor or Barrister for Professional Negligence (as Stated by the Law Society and prominent Lawyers) and Corrupt Cops. Not necessarily in this order. Please Note Lawyers are PROTECTED SPECIES IN THIS COUNTRY, PROTECTED FROM THEIR F..K UPS

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    Quote Originally Posted by Mr 672A View Post
    Learjet
    We need your attention Sir on the other thread. (Himawari 8)

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    Mr 672a
    Thanks. I neglected to subscribe to my own thread.

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