Effective Radiated Power Spreadsheet Antenna 1

0104-EX-ML-2009 Text Documents

OnStar, LLC

2009-10-21ELS_102102

                  Change the values in the yellow boxes to calculate required readings
                      -140 or less at a range of 100 feet to meet NTIA regulations

Receive Ant Gain Ant Cable Insertion Loss Repeater Amp Gain Repeater Ant Gain Best Case     Range in Feet       Repeated Signal Power @ Range In dBm
       38                   -10                   22                     3                      100                             -143.09

                GPS Carrier Frequency MHz                           Total System Gain       Range in Miles        Total Signal Power @ Range in Watts
                           1575                                             53                  0.02                             4.9E-18

          Avg Receive Power L1 dBm North America                                           Range in Meters                Radiated Power dBm
                           -130                                                                31.17                              -77

           Free Space loss with Isotropic Antennas                                        Range in Kilometers            Transmitted Power (W)
                           -66.09                                                                0.03                          10.0E-12

                                                                                                                      Effective Radiated Power (W)
                                                                                                                                 20.0E-12

                                                                                                                     Effective Radiated Power (dBW)
                                                                                                                                   -107


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Document Created: 2009-10-22 07:01:13
Document Modified: 2009-10-22 07:01:13

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