October 30, 2019, Nighttime Operation Report

201910303.JPGHello, 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 Nighttime 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 Nighttime 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: 4.108 [V], Angular velocity: 33.59 [deg./s]
3rd : CW:S9[dB], Bus Voltage: 4.104 [V], Angular velocity: 33.97 [deg./s]

・"HK data downlink(Bus Transmitter GMSK9k6 437.05MHz,Data block number,2)"
4th:
HORIZONTALLY POLARIZED WAVE : 921
VERTICAL POLARIZED WAVE : 904
radio interference:weak

5th:
HORIZONTALLY POLARIZED WAVE : 402
VERTICAL POLARIZED WAVE : 83
radio interference:weak

○Next Operation Schedule
1st:"CW custom operation(437.075MHz)" , "HK data downlink(Bus Transmitter, GMSK9k6, 437.05MHz, Data block number:2)"
2nd:"CW custom operation(437.075MHz)" , "HK data downlink(Bus Transmitter, GMSK9k6, 437.05MHz, Data block number:2)"

2019/10/30      AOS     |       PE      |      LOS
Time(JST)    19:59:24 | 20:04:50 | 20:10:22
Azimuth      149.03  |   73.63   |  358.90
Elevation      0.00   |    34.63   |   -0.01
------------------------------------------------------------------------------------------
Time(JST)    21:34:04 | 21:38:36 | 21:43:13
Azimuth      213.53  |   267.96   |  322.37
Elevation      0.02   |    11.02   |   -0.01
------------------------------------------------------------------------------------------

○Latest TLE
1 43937U 19003F 19303.07682483 .00002021 00000-0 86155-4 0 9997
2 43937 97.2623 356.8625 0023282 325.1751 122.1243 15.23837194 43390

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