October 31, 2019, Daytime Operation Report

20191031_3rd.JPG
Hello, everyone. We are NEXUS development project team in Nihon University. Your receiving reports are used for confirmation of NEXUS state. Thank you for your cooperation. We will report the result of Daytime operation today.

CW custom mode
NEXUS are orbiting at CW custom mode now. CW format is following.
JS1YAVNEXUS04 (Sattime : 8words) (SW info : 2words) (Reset info : 10words) (Bat Vol : 4words) (Gyro x : 4words) (Gyro y : 4words) (Gyro z : 4words)
Total : 49words (characters)

○Operation Result
We performed a Daytime operation twice.
"CW custom operation(437.075MHz)", "HK data downlink(Bus Transmitter, GMSK9k6, 437.05MHz, Data block number:2)".

・CW Operation
For CW telemetry format, please have a look at the pdf below.
http://sat.aero.cst.nihon-u.ac.jp/nexus/download/NEXUS_CW_telemetry_format_e.pdf
2nd : CW:S9[dB], Bus Voltage: 4.113[V], Angular velocity: 31.31[deg./s]
3rd : CW:S9[dB], Bus Voltage: 4.179[V], Angular velocity: 34.51[deg./s]

・"HK data downlink(Bus Transmitter GMSK9k6 437.05MHz,Data block number,2)"
2nd:
HORIZONTALLY POLARIZED WAVE : 757
VERTICAL POLARIZED WAVE : 727
radio interference:weak

3rd:
HORIZONTALLY POLARIZED WAVE : 109
VERTICAL POLARIZED WAVE : 11
radio interference:strong

*Notice*
Today's night operation will not be performed due to the absence of an operator.
The next operation is a daytime operation on 11/1 (Fri).

○Next Operation Schedule
1st:"CW custom operation(437.075MHz)", "Image data Downlink"(FSK transmitter, GMSK9k6, 435.900MHz)(Size:721664 SC_S:26, SSC:26, SP:384, ESC:26, EP:767)
2nd:"CW custom operation(437.075MHz)", "Image data Downlink"(FSK transmitter, GMSK9k6, 435.900MHz)(Size:721664 SC_S:26, SSC:26, SP:768, ESC:26, EP:1023)

2019/11/1      AOS     |       PE      |      LOS
------------------------------------------------------------------------------------------
Time(JST)    8:42:19 | 8:48:01 | 8:53:39
Azimuth      20.37  |   98.13   |  175.53
Elevation      0.02   |    37.02   |   -0.01
------------------------------------------------------------------------------------------
Time(JST)    10:16:34 | 10:21:16 | 10:25:58
Azimuth      346.51  |   292.28   |  237.59
Elevation      0.01   |    12.04   |   -0.02
------------------------------------------------------------------------------------------

○Latest TLE
1 43937U 19003F 19303.86489860 .00001909 00000-0 81526-4 0 9999
2 43937 97.2618 357.6255 0023253 322.2524 125.4903 15.23839478 43516

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