October 25, 2019, Daytime Operation Report

Capture.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
1st : CW:S9[dB], Bus Voltage: 4.186[V], Angular velocity: 33.01[deg./s]
2nd : CW:S9[dB], Bus Voltage: 4.177[V], Angular velocity: 33.41[deg./s]

・"HK data downlink(Bus Transmitter GMSK9k6 437.05MHz,Data block number,2)"
1st:
HORIZONTALLY POLARIZED WAVE : 386
VERTICAL POLARIZED WAVE : 618
radio interference:strong

2nd:
HORIZONTALLY POLARIZED WAVE : 656
VERTICAL POLARIZED WAVE : 740
radio interference:strong

○Next Operation Schedule
3rd:No operation
4th:"CW custom operation(437.075MHz)" , "HK data downlink(Bus Transmitter GMSK9k6 437.05MHz,Data block number,2)"
5th:"CW custom operation(437.075MHz)" , "HK data downlink(Bus Transmitter GMSK9k6 437.05MHz,Data block number,2)"

2019/10/25      AOS     |       PE      |      LOS
------------------------------------------------------------------------------------------
Time(JST)    18:43:45 | 18:45:26 | 18:47:07
Azimuth      78.27  |   60.56   |  42.86
Elevation      0.00   |    1.00   |   0.00
------------------------------------------------------------------------------------------
Time(JST)    20:12:35 | 20:18:07 | 20:23:46
Azimuth      157.55  |   75.61   |  354.38
Elevation      0.01   |    53.04   |   -0.01
------------------------------------------------------------------------------------------
Time(JST)    21:48:11 | 21:52:04 | 21:56:01
Azimuth      225.20  |   269.89   |  314.58
Elevation      0.01   |    6.74   |   -0.02
------------------------------------------------------------------------------------------

○Latest TLE
1 43937U 19003F 19297.76724112 .00000982 00000-0 43360-4 0 9996
2 43937 97.2622 351.7204 0023884 343.9980 154.8571 15.23814340 42580

この記事へのコメント