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en:faq [2019/02/23 22:13] fluktuaciaen:faq [2019/05/01 11:49] (current) – [There are no meteors visible on waterfall, what should I do?] fluktuacia
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 ==== What computer will I need?  ==== ==== What computer will I need?  ====
  
-Current version of detection stations have an built-in computer based on ARM architecture. Therefore there is no other computer necessary for the function of station. +Current version of detection stations have an built-in computer based on ARM architecture. Thereforethere is no other computer necessary for station to operate
  
-You will only need another computer if you want to [[en:vizualizace|visualisee the data]] at other place than the one with station (e.g. in a lecture room). In that case you mainly need a computer with a graphic performance corresponding with the planned quality of visualised output.+You will only need another computer if you want to [[en:vizualizace|visualisee the data]] at other place than the one with station (e.g. in a lecture room). In that case you mainly need a computer with a graphic performance corresponding to the planned quality of visualised output.
  
-==== What do I have to do in order to relocate the station ====+==== What do I have to do in order to relocate station ====
  
-Before moving the station or disconnecting the antenna it is necessary to turn the station off and mainly to unplug the power supply. +Before moving station or disconnecting an antenna it is necessary to turn the station off and mainly to unplug the power supply. 
-The station has one switch on module with connected power supply. This switch has to be pressed. Than it is possible to disconnect antennae and further manipulate with the station.+The station has one switch on module with connected power supply. This switch has to be pressed. Then it is possible to disconnect antennae and further manipulate with the station.
  
-After moving the station it has to be turned on again and wait several minutes until it the blue LED on the station’s computer starts to flash again. If the LED does not flash even after several minutes, the file system of the station has been damaged. +After moving the station it has to be turned on again and wait several minutes until the blue LED on the station’s computer starts to flash again. If the LED does not flash even after several minutes, the file system on the station has been damaged. 
  
 === LED on the power module is not working === === LED on the power module is not working ===
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   - Check that disconnecting the coaxial cable from the station causes a noise reduction   - Check that disconnecting the coaxial cable from the station causes a noise reduction
   - Observe the live spectrogram for a longer period of time using for example an  [[en:pysdr|pySDR]] programme. Make sure that you cannot see any changes in the intensity of signal that may indicate a presence of an intensive local interference   - Observe the live spectrogram for a longer period of time using for example an  [[en:pysdr|pySDR]] programme. Make sure that you cannot see any changes in the intensity of signal that may indicate a presence of an intensive local interference
-  - Check the local oscillator calibration with (?? Na nejbližším vysílači) the nearest transmitter, see [[cs:rmds&#lokalni_oscilator_prijimace|LO calibration]].+  - Check the local oscillator calibration with the nearest transmitter, see [[en:rmds&#lokalni_oscilator_prijimace|LO calibration]].
   - Check if the preamplifier is not damaged (it can manifest as LED flashing on the power module)   - Check if the preamplifier is not damaged (it can manifest as LED flashing on the power module)
  
 ==== I cannot tune the local oscillator ==== ==== I cannot tune the local oscillator ====
  
-  - Check I²C cabling, which is used to control the local oscillator.+  - Check I²C cabling, which is used to control the local oscillator
   - Check if the GPS sees the satellites (e.g. using xgps utility)    - Check if the GPS sees the satellites (e.g. using xgps utility) 
-      * If the GPS sees them and has fix, restart frequency-guard. +      * If the GPS sees them and has fix, restart frequency-guard 
-      * If the GPS does not have fix, check its antenna and its coaxial cable.  +      * If the GPS does not have fix, check its antenna and its coaxial cable.  
-  - Check the connectors on both sides of wires connected to [[http://wiki.mlab.cz/doku.php?id=cs:clkgen|CLKGEN]] module. +  - Check the connectors on both sides of wires connected to [[http://wiki.mlab.cz/doku.php?id=cs:clkgen|CLKGEN]] module 
-  - Replace the GPS antenna. +  - Replace the GPS antenna 
-  - Use shorter cable with GPS antenna.+  - Use shorter cable with GPS antenna
  
 ==== Where can I find more detailed documentation ==== ==== Where can I find more detailed documentation ====
en/faq.1550960037.txt.gz · Last modified: 2019/02/23 22:13 by fluktuacia