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Thread: Astra 1L

  1. #1
    Member william-1's Avatar
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    Astra 1L

    Big switch to Astra 1L tonight,Astra 2C will be at 28.2 east very soon scan 10950 to 11200 GHz to find the new Astra 2C transponders currently this is a blank space in the Ku spectrum at 28.2 east,
    Astra 2C has full back up for the 10700 to 11200GHz & 11700 to 12200GHz it is quite possible that this satellite also has narrow footprint transponders to back up Astra2D we do not know all details of a satellite as not everything is made public,
    AtlanticBird-2 @ 8 west has transponders capable of Ku transponder's work in the Ku spectrum below 10950 GHz & you will not read that in the satellite specification

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    Member william-1's Avatar
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    Re: Astra 1L

    Well the big switch has been put back for reasons unknown maybe next week

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    Transponder power at 28.2 east

    You will hardly notice it in the UK & France all transponder's are 51dBW Astra 2A & 2B has 109 watts travelling wave tube amplifiers, Astra 2C has 105 watts TWTA & Astra 2D is the weakest with 39 watts TWTA,
    Eurobird-1 UK footprint Fixed beam is 56dBW , Europe steerable-1 beam is 55dBW,Europe steerable beam-2 is 54 dBW no TWTA data found for the Eutelsat satellite Eurobird-1.
    I think it is the power of the TWTA that determines the size of the footprint hence Astra 2D has a very small footprint & Eurobird-1 fixed beam has the largest so the TWTA on this satellite must be higher than 109 watts,
    hope this helps explain it.

  4. #4

    Re: Astra 1L

    still 6 transponder analog on 2c

    is then move to 1kr or 1l ?

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    Member william-1's Avatar
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    Re: Astra 1L

    Astra 2C finished at 19.2 east all transponer's are on Astra 1 satellites now.Astra 2C will now move to 28.2 east.

  6. #6

    Re: Astra 1L

    what location astra 2c now ?

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    Member william-1's Avatar
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    Re: Astra 1L

    Astra 2C is at 19.2 east all transponder's transferred to Astra 1L & 1KR & will begin moving east tonight.

  8. #8

    Re: Astra 1L

    what location of 2c at moment ?

  9. #9
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    Re: Astra 2C

    Sat tracker had its position at 19.33 east on 30/07/07 no other info at the moment.

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