327 Mhz rfi in p1693 data

last updated 20mar14

Links
Data taken during the t8-m4 cable repair
    Dynamic spectra          



Intro:

    P1693 is the 327 Mhz pulsar search project. It is run by julia
Their setup is:



Feb 14: data taken during the t8-m4 cable repair

    Data was taken during the T8-m4 cable repair.. (every night for many weeks).
Processing the data:

Dynamic spectra

The table below has  the different dynamic spectra:

StartDate
strip
az,za
deg
duration
hours
Notes
20140128.gif
918
332.5418,10.0055 7

20140218.gif
931
332.5538,9.27 15.25

20140219.gif
932
332.5714.,8.50 16.

20140220.gif
933
332.5650,8.76 16.25

20140221.gif
934
332.8148,4.0500 24

20140222.gif
935
332.5994,7.2100 8

20140223.gif
936
332.5775,8.2400 24

20140224.gif 937
333.0930,2.1800
15
1.
20140225.gif 938
332.5352,10.55
15.5
1.
20140226.gif 939
332.5329,11.3200 16
2
20140227.gif 940
332.5379,10.3
15

20140228.gif 941
332.7533,4.61
20.5

20140301.gif 942
332.5487,9.53
22

20140302.gif 943
332.8358,3.75
21

20140303.gif 944
332.5328,10.81 16

20140304.gif 945
332.5328,11.07 18
*
20140305.gif 946
332.5329,11.58
17

20140306.gif 947
332.5328,12.09
16

20140307.gif 948
332.89976,3.14
17

20140308.gif 949
332.5450,9.78
19

20140309.gif 950
332.5326,11.84
20.5

20140310.gif 951
332.7271,4.88
16

cable repair finished
20140313.gif 25

6

20140314.gif 19

6

20140315.gif
75

4


320 Mhz drifting rfi:

10sec period

Fm stations:

Morning rfi:

24feb14: turning dewar monitoring on,off:

    I tried turning  off the single pixel  dewar monitoring on ,off 24feb14 afternoon to see if the rfi  changed:

time
change
notes
16:54:00
all monitoring off
1.5sec birdie stopped
16:59:01
all back on
1.5 sec birdie restarted
17:04:30
all off
birdiie goes away
17:05:00
all on , except no monitoring of 327
1.5 sec birdie present
17:08:02
all off. left off for the evening


The dynamic spectra show the data during this time (.gif)


processing:usr/p1693/doprocdays.pro


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