Reradiated Power Calculations

0124-EX-CN-2018 Text Documents

Textron Aviation, Inc.

2018-02-09ELS_204619

GPS Power Control Re-radiating Worksheet
L1 (1575.42 MHz)
Site Information
Antenna ID A1
Location Description Center of Hangar Area
Coordinates, NAD 83, ddd-mm-ss.s 36-05-30.51 N; 075-56-19.21 W
Antenna - Receiving (RX)
Make and Model GPS Source L1A-PM-NF
Gain (dBi) @ L1 & L2 (LNA included) 36
Coax
Type or Description C-240
Antenna - Re-radiating (TX)
Make and Model GPS Source Passive L1 Antenna
Antenna Height AGL (ft) 25
Gain (dBi) @ L1 3.0
Distance to nearest outer wall (ft) 94.2
Free Space Loss @ L1 71.82
Amplifier - Gain Control
Make and Model GPS Source METRO-A1-110/6.8-NF-NM
ERP Level Setting on Controller (includes -71
antenna gain) in dBm
Transmit Power at Terminal (pW)* 65.28
79.43
Transmit Power from Antenna (pW ERP)**
Calculated Signal Strength 100 ft
Outside Building (dBm EIRP)*** -140.67
* = 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: 2018-02-08 13:24:58
Document Modified: 2018-02-08 13:24:58

© 2025 FCC.report
This site is not affiliated with or endorsed by the FCC