Link Budget Calculations

0732-EX-CN-2017 Text Documents

Textron Aviation, Inc.

2017-09-05ELS_197839

GPS Power Control Re-radiating Worksheet Antenna 1
L1 (1575.42 MHz)
Site Information
Antenna ID A1
Location Description Northeast
Coordinates, NAD 83, ddd-mm-ss.s 37-41-15.6 N; 097-12-40.3 W
Antenna - Receiving (RX)
Make and Model GPS Source L1 Active
Gain (dBi) @ L1 (LNA included) 36
Coax
Type or Description C-240
Antenna - Re-radiating (TX)
Make and Model GPS Source L1 Passive
Antenna Height Above Floor (ft) 25
Gain (dBi) @ L1 3.0
Distance to nearest outer wall (ft) 5.0
Free Space Loss @ L1 66.48
Amplifier - Gain Control
GPS Source GLI-Metro RK (Oscillation Detect,
Make and Model Antenna Alarm Monitor)
ERP Level Setting on Controller (includes -76
antenna gain) in dBm
Transmit Power at Terminal (pW)* 20.64
25.12
Transmit Power from Antenna (pW ERP)**
Calculated Signal Strength 100 ft
Outside Building (dBm EIRP)*** -140.33
* = 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 2
L1 (1575.42 MHz)
Site Information
Antenna ID A2
Location Description Southeast
Coordinates, NAD 83, ddd-mm-ss.s 37-41-14.3 N; 097-12-40.3 W
Antenna - Receiving (RX)
Make and Model GPS Source L1 Active
Gain (dBi) @ L1 (LNA included) 36
Coax
Type or Description C-240
Antenna - Re-radiating (TX)
Make and Model GPS Source L1 Passive
Antenna Height Above Floor (ft) 25
Gain (dBi) @ L1 3.0
Distance to nearest outer wall (ft) 30.0
Free Space Loss @ L1 68.33
Amplifier - Gain Control
GPS Source GLI-Metro RK (Oscillation Detect,
Make and Model Antenna Alarm Monitor)
ERP Level Setting on Controller (includes -74
antenna gain) in dBm
Transmit Power at Terminal (pW)* 32.72
39.81
Transmit Power from Antenna (pW ERP)**
Calculated Signal Strength 100 ft
Outside Building (dBm EIRP)*** -140.18
* = 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 3
L1 (1575.42 MHz)
Site Information
Antenna ID A3
Location Description West
Coordinates, NAD 83, ddd-mm-ss.s 37-41-14.7 N; 097-12-41.2 W
Antenna - Receiving (RX)
Make and Model GPS Source L1 Active
Gain (dBi) @ L1 (LNA included) 36
Coax
Type or Description C-240
Antenna - Re-radiating (TX)
Make and Model GPS Source L1 Passive
Antenna Height Above Floor (ft) 25
Gain (dBi) @ L1 3.0
Distance to nearest outer wall (ft) 108.0
Free Space Loss @ L1 72.42
Amplifier - Gain Control
GPS Source GLI-Metro RK (Oscillation Detect,
Make and Model Antenna Alarm Monitor)
ERP Level Setting on Controller (includes -70
antenna gain) in dBm
Transmit Power at Terminal (pW)* 82.19
100.00
Transmit Power from Antenna (pW ERP)**
Calculated Signal Strength 100 ft
Outside Building (dBm EIRP)*** -140.27
* = 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: 2017-09-05 12:49:11
Document Modified: 2017-09-05 12:49:11

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