GPS Repeater Calc 080309

0224-EX-PL-2009 Text Documents

RadioShack Corporation

2009-08-03ELS_100322

Applicant: RadioShack Corp
File Number: 0224—EX—PL—2009
GPS Repeater Budget Calculator
                                                                           —140 dBm at 100 feet
           Change the                                                      from the building to
           values in the                                                   meet NTIA
           yellow                                                          regulations

           boxes to calculate
           required readings


                                             Repeater Ant                  Repeated Signal
Receive    Ant Cable            Repeater     Gain         Range in         Power @ Range In         Total Signal Power
Ant Gain   Insertion Loss       Amp Gain     (Best Case)  Feet             dBm                      @ Range in Watts
 35        ee               |   | so         | 3              | 260        | 141.69                 | 6.8e—18       |
                                riee opdue

                                loss with
           GPS Carrier          Isotropic
           Frequency            Antennas     Total System Range in         Effective Radiated       Effective Radiated
           (MHz)                             Gain         Miles            Power dBm                Power (dBW)
           [ 1575                —74.39      | 59.7           | 0.05       | —69.45                 } —99.45
           Avg Receive                                                     Effective Isotropic      Effective Isotropic
           Power L1 dBm         Reference Transmitted         Range in     Radiated Power           Radiated Power
           North America        Dipole Gain Power (W)         Kilometers   (dBm)                    (dBW)
                                215          | 5.7e11         _| 0.08      | —67.30                 | —97.30


                                                              Range in                              Effective Radiated
                                                              Meters                                Power (W)
                                                               79.2480



                                                      Effective Radiated Power (ERP) — picowatts:



Document Created: 2019-04-06 15:33:17
Document Modified: 2019-04-06 15:33:17

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