AJ4CO Observatory

  Location: High Springs, Florida, USA   
            29°50'13" N, 82°37'16" W
            
  Observer: Dave Typinski 
  
     Start: 2009/09/22 01:25:00 UTC
       End: 2009/09/22 03:25:00 UTC
       
  
Source:

    Object: Jupiter
  Location: RA 21:23, Dec -16.29°
            Alt 39.4°, Az 153.4° to Alt 42.9°, Az 191.7°
  Distance: 4.232 AU, 394 million miles


Antenna:

Radio Jove twin dipole 135° phased array at 12 feet
Intended beam center: 180° azimuth, 45° altitude


Receiver:

Radio Jove v1.1 receiver at ~20.1 MHz 


Recording equipment:

Radio-Sky Pipe II on an Acer Aspire 5570Z laptop


Software configuration:

                      ADC: Sound card
          ADC sample rate: 11.025 kHz
Strip chart sample period: 50 milliseconds (20 Hz)

              Calibration: None

                Channel 1: Sound card left, average of absolute values
           Averaging over: 1 strip chart sample period (551.25 ADC samples)

                Channel 2: Sound card left, power
             Power method: Average of squares of ADC samples each sample period