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wg7:apod:apod_obs_auscope
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wg7:apod:apod_obs_auscope [2016/12/20 09:21] Andreas Hellerschmied [Tracking tests Nov 11-14] |
wg7:apod:apod_obs_auscope [2018/04/18 10:14] (current) Andreas Hellerschmied [Ke, Yg, Hb] |
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| ===== Experiments ===== | ===== Experiments ===== | ||
| + | |||
| + | Please find detailed descriptions of each experiment (including results in terms of multiband delays computed with fourfit) on the following pages: | ||
| * [[wg7:apod:316a_HbKe|316a]] (KeYg, 2016-11-11, 22:15:00 - 22:39:1010 UT) | * [[wg7:apod:316a_HbKe|316a]] (KeYg, 2016-11-11, 22:15:00 - 22:39:1010 UT) | ||
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| - | ==== Files and data ==== | + | ==== Observation files and data ==== |
| - | Files (VEX, tracking data, etc.) related to these sessions are provided on the VieVS server via SFTP: | + | Files (VEX, tracking and satellite orbit data, etc.) related to these sessions are provided on the VieVS server via SFTP: |
| - | * vievs.hg.tuwien.ac.at | + | * sorts@vievs.hg.tuwien.ac.at |
| - | * user: sorts | + | |
| * password: Please contact [[andreas.hellerschmied@geo.tuwien.ac.at|Andreas Hellerschmied]], if you need the password | * password: Please contact [[andreas.hellerschmied@geo.tuwien.ac.at|Andreas Hellerschmied]], if you need the password | ||
| * directory: /home/sorts/apod/2016/ | * directory: /home/sorts/apod/2016/ | ||
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| ===== Satellite tracking with AuScope antennas (and Ho) ===== | ===== Satellite tracking with AuScope antennas (and Ho) ===== | ||
| - | * Unordered List ItemThe tracking files have to be loaded by the antenna control system which takes some time. Therefore, there is a gap of min. 5 minutes between blocks of quasar observations and satellite scans in the schedules | + | * The tracking files have to be loaded by the antenna control system which takes some time. Therefore, there is a gap of min. 5 minutes between blocks of quasar observations and satellite scans in the schedules |
| - | * Basical the S/X APOD signals are visible on an attached spectrum analyzer. This can be used to confirm that the antenna is on source during tracking. | + | * Basically the S/X APOD signals are visible on an attached spectrum analyzer. This can be used to confirm that the antenna is on source during tracking. |
| ==== Ke, Yg, Hb ==== | ==== Ke, Yg, Hb ==== | ||
| * Antenna control with direct AzEl input. | * Antenna control with direct AzEl input. | ||
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| **Comments**: | **Comments**: | ||
| * Investigating the signal spectra during tracking a periodic variation in the signal amplitude is visible at higher elevations (more pronounced at X-band than in S-band) | * Investigating the signal spectra during tracking a periodic variation in the signal amplitude is visible at higher elevations (more pronounced at X-band than in S-band) | ||
| - | * This is probably caused by the antenna tracking system (still "stepwise"?) | + | |
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| | | ||
| **Comments**: | **Comments**: | ||
| - | * If the satellite becomes too fast track (high elevation) the antenna has problems to catch the track again | + | * If the satellite becomes too fast to track (high elevation) the antenna has problems to catch the track again |
| * If there is a rise and set section and the satellite is not observable in between ==> Only observe one of the sections. | * If there is a rise and set section and the satellite is not observable in between ==> Only observe one of the sections. | ||
/home/www/auscope/opswiki/data/attic/wg7/apod/apod_obs_auscope.1482225694.txt.gz · Last modified: 2016/12/20 09:21 by Andreas Hellerschmied
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