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Thread: Es'HailSAT-2 26°E Primul satelit geostationar pentru radioamatori

  1. #1
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    Es'HailSAT-2 26°E Primul satelit geostationar pentru radioamatori

    Satelitul geostationar ES'hailsat-2 are la ,,bord,, si transponderul pentru radioamator, lansat de la Centrul Spatial Kennedy in data de 15 Noiembrie 2018 ora 20:46 GMT iar acum este pe orbita geostationara 25.5° Est. Acesta este primul transponder pentru amatori pus in orbita geostationara si se preconizeaza ca arie de acoperire din Brazilia pana in Tailanda .

    eshail-footprint.jpg


    Narrowband Linear transponder
    2400.050 - 2400.300 MHz Uplink
    10489.550 - 10489.800 MHz Downlink

    Wideband digital transponder
    2401.500 - 2409.500 MHz Uplink
    10491.000 - 10499.000 MHz Downlink

    Equipment requirements:

    Es'Hail-2 Geostationary P4-A Transponder Frequencies
    Es’Hail-2 Geostationary P4-A Transponder Frequencies
    X-Band 10 GHz Downlink:
    – 89 cm dishes in rainy areas at EOC like Brazil or Thailand
    – 60 cm around coverage peak
    – 75 cm dishes at peak -2dB
    – NB: linear vertical polarisation
    – WB: linear horizontal polarisation

    S-Band 2.4 GHz NB-Uplink:
    – narrow band modes like SSB, CW
    – 5W nominal Uplink power (22.5 dBi antenna gain, 75cm dish)
    – RHCP polarisation

    S-Band 2.4 GHz WB-Uplink (DATV):
    – wide band modes, DVB-S2
    – peak EIRP of 53 dBW (2.4m dish and 100W) required
    – RHCP polarisation

    Curand Es’hail-2 WebSDR https://eshail.batc.org.uk/


    Sursa informatiei : https://amsat-uk.org/satellites/geos...nous/eshail-2/

    Colegii radioamatori din rusia si nu numai dezbat pe forumul de ultrascurte http://forum.vhfdx.ru/sputniki/eshailsat-2/ de ceva vreme variante pentru abrodarea receptiei in 10ghz prin modificarea LNB-urilor pentru satelit .

    Pare greu dar .....este abordabil
    Last edited by YO4FYQ; 12-01-2019 at 19:13.
    73, Claudiu
    YO4FYQ / KN44FD
    Valu lui Traian - CT

  2. #2
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    E musai sa ne luam echipamente in 2,4Ghz.... Cu 10Ghz e mai simplu

    yo8rhm
    Mugurel
    Si Nordul ofera puncte, doar orienteaza antena...
    www.yo8rhm.com
    www.vhfdx.ro

  3. #3
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    A aparut si primul WEBSDR dedicat satelitului pe 10Ghz
    http://sniffing.ddns.net:8073
    gestionat de catre HA5KFU
    Compus din : Device: RTL-SDR V3
    Antenna: Parabolic Dish 90cm
    Pe el se poate asculta baliza satelitului
    Last edited by YO4FYQ; 19-01-2019 at 16:29.
    73, Claudiu
    YO4FYQ / KN44FD
    Valu lui Traian - CT

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    Pentru varianta de upload exista vaianta din LZ...

    Transverterul 432/2,4ghz circa 210Euro
    http://www.sg-lab.com/TR2300/tr2300.html

    Finalul de 20w vaianta noua curca 126Euro
    http://www.sg-lab.com/AMP2400/amp2400.html
    73, Claudiu
    YO4FYQ / KN44FD
    Valu lui Traian - CT

  5. #5
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    O alta adresa WEBSDR din Italia : http://217.133.56.150:8901/

    Antenna is a 100cm parabolic dish + PLL LNB to 26° Est, Azimuth 155°, Elev. 41.5°, LNB (Skew) -19°
    73, Claudiu
    YO4FYQ / KN44FD
    Valu lui Traian - CT

  6. #6
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    Quote Originally Posted by yo8rhm View Post
    E musai sa ne luam echipamente in 2,4Ghz.... Cu 10Ghz e mai simplu

    yo8rhm
    Mugurel
    Probabil , o abordare de inceput cum vad eu . Transverter pe 2,4Ghz pentru a face TX catre satelit si parte de RX folosita via WEB-SDR cu delay corespunzator.
    73, Claudiu
    YO4FYQ / KN44FD
    Valu lui Traian - CT

  7. #7
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    News !!

    Deschis traficului incepand cu data de 14 februarie ...mai sunt 4 zile

    https://amsat-dl.org/en/eshail-2-qo-...Xx0JCxMTb5KSOU
    73, Claudiu
    YO4FYQ / KN44FD
    Valu lui Traian - CT

  8. #8
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    Satelitul ONLINE , este trafic pe el !!! pe cand prima statie YO ?

    https://eshail.batc.org.uk/nb/
    73, Claudiu
    YO4FYQ / KN44FD
    Valu lui Traian - CT

  9. #9
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    O adresa noua de WEBSDR din Brazilia

    http://appr.org.br:8902/

    Au fost raportari ca fiind accesat pe 2,4GHz cu 100mw din DL
    73, Claudiu
    YO4FYQ / KN44FD
    Valu lui Traian - CT

  10. #10
    Poate prezintă interes antena asta ptr uplink http://www.yo2kbq.ro/index.php?x=arata_articol&sel=76

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