Power Calculations

0280-EX-CN-2018 Text Documents

Textron Aviation, Inc.

2018-04-02ELS_207324

          GPS Power Control Re-radiating Worksheet Antenna A1
                                                          L1 (1575.42 MHz)
Site Information
Antenna ID                                  A1
                                            70 ft north of south wall on centerline of Hangar
Location Description
Coordinates, NAD 83, ddd-mm-ss.s            37-38-47.0 N; 097-25-09.1 W
Antenna - Receiving (RX)
Make and Model                              GPS Source L1 Active Antenna
Gain (dBi) @ L1 (LNA included)              36
Coax
Type or Description                         C-240
Antenna - Re-radiating (TX)
Make and Model                              GPS Source L1 Passive Antenna
Antenna Height AGL (ft)                     25
Gain (dBi) @ L1                                                                            3.0
Distance to nearest outer wall (ft)                                                       70.0
Free Space Loss @ L1                                                                     70.66
Amplifier - Gain Control
                                            GPS Source GLI-Metro RK (L1, Oscillation
Make and Model                              Detect, Antenna Alarm Monitor)
ERP Level Setting on Controller (includes                                                  -72
antenna gain) in dBm
Transmit Power at Terminal (pW)*                                                         51.86
                                                                                         63.10
Transmit Power from Antenna (pW ERP)**
Calculated Signal Strength 100 ft
Outside Building (dBm EIRP)***                                              -140.51
* = Programmed ERP Level - Antenna Gain + 2.148 converted to pW
** = Programmed ERP Level (includes Antenna Gain) converted to pW
*** = Programmed ERP Level (includes Antenna Gain) - Free Space Loss + 2.148


          GPS Power Control Re-radiating Worksheet Antenna A2
                                                          L1 (1575.42 MHz)
Site Information
Antenna ID                                  A2
                                            77 ft north of Antenna 1 on centerline of hangar
Location Description
Coordinates, NAD 83, ddd-mm-ss.s            37-38-47.7 N; 097-25-09.1 W
Antenna - Receiving (RX)
Make and Model                              GPS Source L1 Active Antenna
Gain (dBi) @ L1 (LNA included)              36
Coax
Type or Description                         C-240
Antenna - Re-radiating (TX)
Make and Model                              GPS Source L1 Passive Antenna
Antenna Height AGL (ft)                     25
Gain (dBi) @ L1                                                                           3.0
Distance to nearest outer wall (ft)                                                      70.0
Free Space Loss @ L1                                                                    70.66
Amplifier - Gain Control
                                            GPS Source GLI-Metro RK (L1, Oscillation
Make and Model                              Detect, Antenna Alarm Monitor)
ERP Level Setting on Controller (includes                                                  -72
antenna gain) in dBm
Transmit Power at Terminal (pW)*                                                        51.86
                                                                                        63.10
Transmit Power from Antenna (pW ERP)**
Calculated Signal Strength 100 ft
Outside Building (dBm EIRP)***                                              -140.51
* = Programmed ERP Level - Antenna Gain + 2.148 converted to pW
** = Programmed ERP Level (includes Antenna Gain) converted to pW
*** = Programmed ERP Level (includes Antenna Gain) - Free Space Loss + 2.148



Document Created: 2018-03-30 11:23:58
Document Modified: 2018-03-30 11:23:58

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