Re: ToO for Wednesday (VX017A)
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From: <shoriuch_at_email.protected>
Date: Tue, 28 May 2013 15:42:50 +1000
I would just play with manual attenuators to get the signal within the
right range.
Cheers,
Shinji.
On 28 May 2013 14:27, James Lovell <Jim.Lovell_at_utas.<!--nospam-->edu.au> wrote:
>Some programmable attenuators would be nice at Tid. There were some ready
>to install when I was there. Leigh Cameron even got them working but they
>caused RFI (or something) so had to be removed.
>
>Maybe if Shinji could plumb the signal though the MkIV rack as this has
>programmable attenuators that can be controlled from the Field System.
>
>Or perhaps better to record to Mark5 and have a couple of extra procedures
>that are called after source changes to adjust the attenuation? Then no
>re-wiring is needed.
>
>Cheers,
>Jim
>
>
>
>
>On 28/05/2013, at 2:14 PM, John Reynolds <John.Reynolds_at_csiro.<!--nospam-->au>
>wrote:
>
>>> Cormac,
>>>
>>>>> some Tid time has just become available for vx017a, so I have updated
>>>
>>> Should be fun maintaining acceptable levels when switching on and off
>SgrA, something that promises to be interesting at Parkes as well.
>>>
>>> Cheers,
>>> John R
>>>
>>> On Tue, 28 May 2013, Cormac Reynolds wrote:
>>>
>>>>> hi,
>>>>>
>>>>> some Tid time has just become available for vx017a, so I have updated
>>>>> the schedule (and redistributed). Please make sure you are using the
>>>>> vex file with 'PI revision number: 2.0'. Some of the scan timings have
>>>>> changed to incorporate the slower moving antenna.
>>>>>
>>>>> thanks,
>>>>> Cormac.
>>>>>
>>>>> On 27 May 2013 18:40, Cormac Reynolds <c.reynolds_at_curtin.<!--nospam-->edu.au> wrote:
>>>>>>> hi all,
>>>>>>>
>>>>>>> I have created a schedule for Wednesday's LBA ToO. Schedules have been
>>>>>>> distributed to the telescopes and the wiki pages are in place:
>>>>>>> http://www.atnf.csiro.au/vlbi/wiki/index.php?n=LBAMay2013.VX017A
>>>>>>>
>>>>>>> Regards,
>>>>>>> Cormac
>>>>>>>
>>>>>>> --
>>>>>>> ----------------------------------------------------
>>>>>>> Cormac Reynolds
>>>>>>> Phone: +61 8 9266 3785
>>>>>>> Fax: +61 8 9266 9110
>>>>>>> email: c.reynolds_at_curtin.<!--nospam-->edu.au
>>>>>>> ----------------------------------------------------
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> ----------------------------------------------------
>>>>> Cormac Reynolds
>>>>> Phone: +61 8 9266 3785
>>>>> Fax: +61 8 9266 9110
>>>>> email: c.reynolds_at_curtin.<!--nospam-->edu.au
>>>>> ----------------------------------------------------
>>>>>
>
>
Received on 2013-05-28 15:42:59
Date: Tue, 28 May 2013 15:42:50 +1000
I would just play with manual attenuators to get the signal within the
right range.
Cheers,
Shinji.
On 28 May 2013 14:27, James Lovell <Jim.Lovell_at_utas.<!--nospam-->edu.au> wrote:
>Some programmable attenuators would be nice at Tid. There were some ready
>to install when I was there. Leigh Cameron even got them working but they
>caused RFI (or something) so had to be removed.
>
>Maybe if Shinji could plumb the signal though the MkIV rack as this has
>programmable attenuators that can be controlled from the Field System.
>
>Or perhaps better to record to Mark5 and have a couple of extra procedures
>that are called after source changes to adjust the attenuation? Then no
>re-wiring is needed.
>
>Cheers,
>Jim
>
>
>
>
>On 28/05/2013, at 2:14 PM, John Reynolds <John.Reynolds_at_csiro.<!--nospam-->au>
>wrote:
>
>>> Cormac,
>>>
>>>>> some Tid time has just become available for vx017a, so I have updated
>>>
>>> Should be fun maintaining acceptable levels when switching on and off
>SgrA, something that promises to be interesting at Parkes as well.
>>>
>>> Cheers,
>>> John R
>>>
>>> On Tue, 28 May 2013, Cormac Reynolds wrote:
>>>
>>>>> hi,
>>>>>
>>>>> some Tid time has just become available for vx017a, so I have updated
>>>>> the schedule (and redistributed). Please make sure you are using the
>>>>> vex file with 'PI revision number: 2.0'. Some of the scan timings have
>>>>> changed to incorporate the slower moving antenna.
>>>>>
>>>>> thanks,
>>>>> Cormac.
>>>>>
>>>>> On 27 May 2013 18:40, Cormac Reynolds <c.reynolds_at_curtin.<!--nospam-->edu.au> wrote:
>>>>>>> hi all,
>>>>>>>
>>>>>>> I have created a schedule for Wednesday's LBA ToO. Schedules have been
>>>>>>> distributed to the telescopes and the wiki pages are in place:
>>>>>>> http://www.atnf.csiro.au/vlbi/wiki/index.php?n=LBAMay2013.VX017A
>>>>>>>
>>>>>>> Regards,
>>>>>>> Cormac
>>>>>>>
>>>>>>> --
>>>>>>> ----------------------------------------------------
>>>>>>> Cormac Reynolds
>>>>>>> Phone: +61 8 9266 3785
>>>>>>> Fax: +61 8 9266 9110
>>>>>>> email: c.reynolds_at_curtin.<!--nospam-->edu.au
>>>>>>> ----------------------------------------------------
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> ----------------------------------------------------
>>>>> Cormac Reynolds
>>>>> Phone: +61 8 9266 3785
>>>>> Fax: +61 8 9266 9110
>>>>> email: c.reynolds_at_curtin.<!--nospam-->edu.au
>>>>> ----------------------------------------------------
>>>>>
>
>
Received on 2013-05-28 15:42:59