07.0°W Nilesat 201

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    21422 L 15000 3/4 QPSK2


    ForsONEway

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    Scan from 20.12.2013

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    Zitat

    Original von Feedsat
    21422 L 15000 3/4 QPSK2


    Still there!


    PS: Test with linear polarisation, "NO LOCKED" signal.

    Bilder


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    Bad signal now for Nilesat 201 KA Band beam

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    Test (linear vertical).

    Bilder


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    Bad scan of the day...

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    21462 L 22500 is finally unlocked today, VERY WEAK but there is something :72:

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    21462 finally locked but VERY WEAK
    21422 L has left

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    Zitat

    Original von Feedsat
    21462 finally locked but VERY WEAK


    Great Feedsat! :73:


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    21.421GHz is a carrier with SNR of 12dB in 1kHz and 21.462 is only just detectable at 2dB in 100kHz. Using a Gilat PLL, linear polarised (H or V the same) and 1.2m offset.

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    Zitat

    Original von s-band
    21.421GHz is a carrier with SNR of 12dB in 1kHz and 21.462 is only just detectable at 2dB in 100kHz. Using a Gilat PLL, linear polarised (H or V the same) and 1.2m offset.


    Analyser plot of the above

    Bilder

    1.2m Prodelin 3122 az-el with one of:
    S: Helical feed, 0.8dB NF LNA, X: 1.2dB NF LNA, conical feed,
    Ku 12-18GHz: corrugated conical feed, 1.5dB NF LNA, Ku (Standard): SMW Q-PLL type C, Prodelin feed. Ku (Extended): 11.3GHz LO SMW & Prodelin Feed Ka: Gilat ex-ODU PLLs Gilat feeds, Ka 18-26.5GHz: Patriot feed, home made 4dB NF LNA, Ka DSN: Corrugated conical feed, home made 3dB NF Down-Converter

    1.5m IRTE, Polar mount with Octagon OSLO mod. C120, IRTE feed
    40km East of London, UK

    2 Mal editiert, zuletzt von s-band ()

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    Gilat LNB, Linear feed, 1.2m


    I looks like the 2nd TP is back and possibly the opposite polarisation to the carrier

    Bilder

    1.2m Prodelin 3122 az-el with one of:
    S: Helical feed, 0.8dB NF LNA, X: 1.2dB NF LNA, conical feed,
    Ku 12-18GHz: corrugated conical feed, 1.5dB NF LNA, Ku (Standard): SMW Q-PLL type C, Prodelin feed. Ku (Extended): 11.3GHz LO SMW & Prodelin Feed Ka: Gilat ex-ODU PLLs Gilat feeds, Ka 18-26.5GHz: Patriot feed, home made 4dB NF LNA, Ka DSN: Corrugated conical feed, home made 3dB NF Down-Converter

    1.5m IRTE, Polar mount with Octagon OSLO mod. C120, IRTE feed
    40km East of London, UK

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    21.421GHz is a carrier with SNR of 12dB in 1kHz

    ...21421 V (here: linear vertical scan)

    Bilder


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    Circular scan today with 1,8m - to be confirmed... (but it looks real, always same parameter in different scans - incorrect FEC) - on again:

    21421 L 22500

    /edit: DVB-S, I think

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    21421 L 22500

    Which FEC should I choose for "smooth -10dB-lock" or is it 1/2... ? :26.(joke)

  • Which FEC should I choose for "smooth -10dB-lock" or is it 1/2... ? :26.(joke)

    Even if it's a joke,I go into the game and say that the greater chance of locking the signal is with fec 2/3,of those that appear on one of the spectrum.Joke or not,under other favourable conditions (weather),in qpsk mode,I say you will lock this transponder at a time you do not expect.Let the One from Above hear :3:

    7 antennas,including 2 of 150cm,one T90 with 16 lnbs
    lnb:Inverto Black Ultra with scalar rings and many Ku lnbs,
    C-band LNB:ESX241,Galaxy Inovations,EuroStar,MTI 20K,NS741U C/Ku,Inverto Single C-band Flange,lnb Chaparral Servo Motor & Skew Control
    LNB Ka:R9216DF XWM,Hughes FSS 19.7-20.2 GHz,
    6 satellite receivers,2 Meters,
    7 PC cards(tbs6983,6903,6590,6522,6209,2603,6909X,6903X,6504),3 tuners usb-tbs5927,tbs5925 & SkyStar USB 2 HD,
    Satellite reception between 100.5E-50.0W,
    Loc:Romania :3:

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    ... a litttle closer to the signal after "one-million-clicks", showing FEC 2/3 (edit: or 3/4 or 7/8) in first (/second/third) "smooth lock" (to be confirmed by constellation monitoring) :69:

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    Next step: positive SNR :26.(still not sure about FEC, must wait for manual lock...)

  • You can try with IQ monitor...:25:

    Location: Zilina,Slovakia

    Kathrein 220cm, Ku+C band, 88E-55.5W
    Cупрал PF 200cm,Ku+C band, 78.5E-37.5W
    Kovosat 115cm, Ku band, 76,5E-55.5W
    Kovosat 115cm, KaD band,


    DR HD F15,Octagon SF8008
    TBS 6983

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    Okay, getting correct parameter this evening:

    21421 L 22500 5/6 DVB-S

    Bilder


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