Deep Impact Receiving System

Here is a block diagram, system temperature calculation, and pictures of the antenna, receivers, HP Spectrum Analyzer, and the SpectraCyber I gas spectrometer working in tandem to receive the signals in hydrogen light from Tempel 1 and the NASA/JPL/UMD Deep Impactor vehicle collision.


 

System Temperature = 49.47 ° Kelvin
JSS - Deep Impact Yagi       TCALC xL version 1.02  
                       
        Derived Stage     System Performance    
Stage Type Gain Input nF   Noise Figures linear gain Gain Noise Figure  
    dB     dB °K   dB dB °K Comments
0 Rest of Rx   0.50 dB 0.50 35.4 1.00 0.00 0.50 35.39  
1 Amplifier 74.00 0.50 dB 0.50 35.4 25119776.44 74.00 0.50 35.39  
2 Cable -0.25         0.94 -0.25 0.75 54.67  
3 Attenuator -3.00         0.47 -3.25 3.75 397.70  
4 Cable -2.00         0.30 -5.25 5.75 799.93  
5 Amplifier 37.00 0.28 dB 0.28 19.3 1496.26 31.75 0.28 19.47  
6 Antenna 0.00 30.00 °K     1496.26 31.75   49.47 Pointed at cold sky
                     
   



Built by Directive Systems

Built by Directive Systems
   
HP 141T/8552B SpectraCyber I Yaesu VR-5000 Yaesu FT-857D

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