Doppler Shift and Inverting Heterodyne

ISS [Fixed Satellite frequency]

            Observer       Satellite      Observer
      AOS   145.822   ->   145.825   ->   145.828   (Satellite approaches)
                    +3kHz          +3kHz

      TCA   145.825   ->   145.825   ->   145.825
                  +/-0kHz        +/-0kHz

      LOS   145.828   ->   145.825   ->   145.822   (Satellite moves away)
                    -3kHz          -3kHz


FO-29 is operating now as follows,
"Up 145.900-146.000MHz LSB / Down 435.800-900MHz USB (Inverting)"
and "Uplink Frequency + Downlink Frequency = 581.800".

FO-29 [Invert Heterodyne in cace of fixed transmitting frequency 145.950MHz]

            Observer       Satellite  [conversion]   Satellite      Observer
      AOS   145.950   ->   145.953         ->        435.847   ->   435.856
                    +3kHz           [Inv Heterodyne]         +9kHz

      TCA   145.950   ->   145.950         ->        435.850   ->   435.850
                  +/-0kHz           [Inv Heterodyne]       +/-0kHz

      LOS   145.950   ->   145.947         ->        435.853   ->   435.844
                    -3kHz           [Inv Heterodyne]         -9kHz


FO-29 [Invert Heterodyne in cace of fixed receiving frequency 435.850MHz]

            Observer       Satellite  [conversion]   Satellite      Observer
      AOS   145.956   ->   145.959         ->        435.841   ->   435.850
                    +3kHz           [Inv Heterodyne]         +9kHz

      TCA   145.950   ->   145.950         ->        435.850   ->   435.850
                  +/-0kHz           [Inv Heterodyne]       +/-0kHz

      LOS   145.944   ->   145.941         ->        435.859   ->   435.850
                    -3kHz           [Inv Heterodyne]         -9kHz

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