Calculations showing Compliance with NTIA Guidelines

0315-EX-PL-2009 Text Documents

Compass Systems, Inc.

2009-08-20ELS_100642

                               GPS Source, Inc. Repeater Budget Calculator
                                                                                                                                    —140 dBm at 100 feet from the building to
                   Change the values in the yellow                                                                                  meet
                   boxes to calculate required readings                                                                             NTIA regulations


                                                                                       Repeater Ant Gain
Receive Ant Gain           Ant Cable Insertion Loss       Repeater Amp Gain               (Best Case)           Range in Feet        Repeated Signal Power @ Range In dBm        Total Signal Power @ Range in Watts
      35           }                 —5.1                          30             |             3                    225                               —140.24                                  9.5e—18

                            GPS Carrier Frequency         Free Space loss with
                                    M                      Isotropic Antennas           Total System Gain       Range in Miles              Effective Radiated Power dBm           Effective Radiated Power (dBW)
                                                                 ~73.14                        59.9                 0.04                                —69.25                                 —99.25

                          Avg Receive Power L1 dBm                                                                                                                                Effective Isotropic Radiated Power
                       ._._______NorthAmerica__________   Reference Dipole Gain       Transmitted Power (W)   Range in Kilometers     Effective Isotropic Radiated Power (dBm)                   (dBW)
                   |                 ~130                         215                        6.0e—11                 0.07                                —67.10                                  —97.10

                                                                                                               Range in Meters                                                       Effective Radiated Power (W)
                                                                                                                  68.5800                                                                      1.2e—10



Document Created: 2019-05-13 06:47:27
Document Modified: 2019-05-13 06:47:27

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