[evlatests] RFI sweep June 2015

[Bryan Butler]

but not at the higher spectral resolution of the RFI sweep.  the 
standard continuum at L-band is 1 MHz channel widths, if memory serves, 
and i think it's 2 MHz at S-band and above.

	-bryan

Frazer Owen wrote on 7/9/15 17:54 :
> On 7/9/15 5:34 PM, Bryan Butler wrote:
>>
>> it's not clear to me that we need to extend the RFI script to cover
>> P-band.  every time we observe in P-band we get a good RFI "sweep"
>> because we cover the entire usable band at good spectral resolution.
>> the reason we make special observations at the other bands is because
>> we never observe across the entire band at that resolution.  i suggest
>> that we already have an overabundance of effective P-band "RFI sweep"
>> data sitting in the archive.
>>
>>     -bryan
> Doesn't the same argument apply at least to L and S-band since we
> regularly observe the entire band in most continuum observations ?
>
> ---Frazer
>>
>>
>> Huib Intema (NRAO) wrote on 7/8/15 12:59 :
>>> Since P-band is a standard observing band, and in terms of RFI not
>>> much worse than other low frequency bands, it would be useful to
>>> include it in tests like this. This is relevant for both continuum
>>> observing as (future) spectral line observing.
>>>
>>> -- Huib
>>>
>>>
>>> On Jul 8, 2015 6:49 PM, Emmanuel Momjian <emomjian at nrao.edu> wrote:
>>>>
>>>> A RFI sweep spanning the frequency range 1-50 GHz, with a channel
>>>> separation of 125 KHz, was carried out on June 18, 2015. The array was
>>>> in A-configuration.
>>>>
>>>> We have the spectra at
>>>> https://science.nrao.edu/facilities/vla/observing/RFI/jun-2015-A-configuration/june-2015-A-configuration
>>>>
>>>>
>>>> For each receiver band, baseband based (1 GHz wide) png image files are
>>>> posted. Also available is a PDF file linked from each band's page that
>>>> has subband based (128 MHz wide) spectra for a more detailed view.
>>>>
>>>> The full assessment of this RFI sweep will be carried out in
>>>> coordination with the RFI group.
>>>>
>>>> Emmanuel
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