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en:lesson08 [2019/10/23 15:00]
golikov
en:lesson08 [2021/04/06 09:08] (current)
golikov
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-====== ​Cubsats ​beacons ======+====== ​Receipt of data from CubeSat ​beacons ======
  
-A beacon is called ​a periodically transmitted signal (once a minute or so)which contains the name of the spacecraft (call sign) and the most important telemetry - the voltage of the onboard power supply, ​the state of the batteries and solar panels, ​the temperature of various points of the deviceand so on.+A beacon is a periodically transmitted signal (with the frequency of once a minute or near that) which contains the name of spacecraft ​unit (the call sign) and the most important telemetry - voltage of onboard power supply ​sources, state of the batteries and solar panels, temperature of various points of the spacecraft unitetc.
  
-The following software is used to receive ​lighthouses ​from cubsats+The following software is used to receive ​beacons data from the CubeSats
-  * SDR # for receiving a radio signal; +  * SDR# software ​for radio signal ​receipt
-  * Orbitron for tracking the satellite and taking into account the Doppler effect; +  * Orbitron for satellite ​tracking ​and Doppler effect ​control
-  * Hs soundmodem for receiving ​command codes;+  * Hs soundmodem for command codes receipt; 
 +  *  
 +Launch the SDR# software and select the radio receiver type: RTL-SDR connected via USB.
  
-Launch SDR # and select the type of radio: RTL-SDR connected via USB. 
  
 {{:​06image002.png?​200|}} {{:​06image002.png?​200|}}
    
-In the Radio section, set the switch to WFM mode and set the Bandwidth ​to 12000.+Set the switch to the WFM mode and set the bandwidth ​to 12000 under the "​Radio"​ inscription.
  
 {{:​004.png?​200|}} {{:​004.png?​200|}}
  
-Make sure the Filter Audio” checkbox ​is unchecked.+Make sure that the "Filter Audio" point is unchecked.
  
 {{:​005.png?​200|}} {{:​005.png?​200|}}
    
-Next, you need to increase the signal ​gain. To do this, click on the gear.+Further ​you need to increase the signal ​amplification. To do this, click on the gear icon.
  
 {{:​06image004.png?​200|}} {{:​06image004.png?​200|}}
  
-Move the slider so that the noise level rises by about 10dB.+Move the slider so that the noise level increases ​by about 10 dB.
  
 {{:​05image012.png?​200|}} {{:​05image012.png?​200|}}
  
-This is what the kubsat lighthouse should look like.+A CubeSat beacon ​is provided in the following form.
  
 {{:​007.png?​200|}} {{:​007.png?​200|}}
  
-In the Tracking DDE Client ​sectionwhen Orbitron ​is connected ​correctly, information about the tracked satellite will appear.+Information about tracked satellites will appear in the field “Tracking DDE Clientif Orbitron ​has been connected ​properly.
  
 {{:​008.png?​200|}} {{:​008.png?​200|}}
  
-Launch Orbitron and update TLE first. Click on the tool button. ​+Launch Orbitron and update TLE firstly. Click the button ​with tools indication.
  
 {{:​en:​image_43.png?​500|}} {{:​en:​image_43.png?​500|}}
  
-Press the zipper ​button to update ​the TLE+Click on the lightning ​button to update TLE.
- +
-Then select the weather satellite information file.+
  
 {{:​en:​image_47.png?​500|}} {{:​en:​image_47.png?​500|}}
  
-Click the Download ​TLE button.+Click on the “Load ​TLE” button.
  
 {{:​en:​image_26.png?​150|}} {{:​en:​image_26.png?​150|}}
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 Download the cubesat.txt List Download the cubesat.txt List
  
-{{:01image012.png?400|}}+{{:en:​orbitron_3.png?400|}}
  
-In the side list on the right, only cubsats will appear. Select Aausat 4, BeeSat 2, Beesat 4, GOMX1, LilacSat2.+Only CubeSats will show up in the side list on the right. Select Aausat 4, BeeSat 2, Beesat 4, GOMX1, LilacSat2.
  
-The selected satellites will be shown in the main program ​window.+All selected satellites will be shown in the main software ​window.
  
 {{:​009.png?​600|}} {{:​009.png?​600|}}
  
-Then go to the Calculation tab and click on the Calculation button.+Proceed ​to the Calculation” tab and click the Calculation” button.
  
 {{:​en:​image_48.png?​400|}} {{:​en:​image_48.png?​400|}}
  
-The satellite ​will automatically ​calculate the time of flightGo to the Rotor / Radio tab and make sure the tracking button is pressed.+The satellites'​ overflight times will be calculated ​automatically. ​Proceed ​to the "Rotor/Radio" ​tab and make sure the tracking button is pressed.
  
 {{:​en:​image_49.png?​400|}} {{:​en:​image_49.png?​400|}}
  
-In the window ​with the receive ​frequency (Dnlink / MHz) the following correct frequency ​should be set:+The box with indication of the reception ​frequency (Dnlink/​MHz) ​shall be used to set the following correct frequency: 
    * BEESAT-2 435.950 MHz    * BEESAT-2 435.950 MHz
    * GOMX-1 437,250 MHz    * GOMX-1 437,250 MHz
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 {{:​01image020.png?​200|}} {{:​01image020.png?​200|}}
  
-Select the audio source Input device - CABLE Output. +Select the sound source ​"Input device - CABLE output"​. Check the "AGWPE server port enabled" ​checkbox. ​It is also possible to check the "Color waterfall" ​checkbox.
-Check the AGWPE Server Port Enabled ​checkbox. +
-Additionally,​ you can check the Color waterfall checkbox.+
  
 {{:​01image021.png?​300|}} {{:​01image021.png?​300|}}
  
-To test the HS soundmodemenable LitSat-1 satellite ​recording. To do this, follow the link https://​yadi.sk/​d/​iYDiVeAEos0yPQ and enable ​the recording.+In order to check HS soundmodem ​operation - enable ​signal recording from the LitSat-1 satellite. To do this, go to https://​yadi.sk/​d/​iYDiVeAEos0yPQ and turn the recording ​function on.
  
 {{:​01image022.png?​400|}}  ​ {{:​01image022.png?​400|}}  ​
  
-Set the sound volume to maximum so that the waterfall ​is of this color.+Set the sound volume to maximum so that the waterfall ​has the necessary ​color.
  
 {{:​01image023.png?​400|}} {{:​01image023.png?​400|}}
  
-After some time, satellite ​telemetry should appear in the HS soundmodem ​program ​window.+After a while the telemetry ​data received from the satellite ​should appear in the HS soundmodem ​software ​window.
  
 {{:​01image024.png?​600|}} {{:​01image024.png?​600|}}
  
-Select the type of signal according to the type of cubesat ​received.+Select the type of signal according to the type of the received ​beacon.
  
 {{:​011.png?​150|}} {{:​011.png?​150|}}
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- +Materials ​from https://​r4uab.ru were used to prepare the task.
-In preparing the lesson, materials ​from the site https://​r4uab.ru were used+
  
  
en/lesson08.1571832011.txt.gz · Last modified: 2020/03/25 16:03 (external edit)