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GPS satellites - number in view, used and SNR

Number of satellites visible and used
LeoNTP
Outdoor antenna
Satellites tracked
RasPi-3, U-blox MAX-M8Q-0-10, downstairs
25 mm patch, south-facing corner
Potentially visible
Actually used
RasPi-8, u-blox MAX-M8Q, upstairs
Patch antenna, south-facing window
Potentially visible
Actually used
RasPi-10, u-blox MAX-M8Q, upstairs
Mag mount patch antenna, room interior
Potentially visible
Actually used
RasPi-12, u-blox MAX-M8Q, upstairs
Near CH radiator
Loft dome antenna
Potentially visible
Actually used
RasPi-18, u-blox MAX-M8Q-0-10, upstairs
Patch antenna, interior, south-facing room (inc. Galileo)
Potentially visible
Actually used
RasPi-22, u-blox MAX-M8Q-0-10, upstairs
Patch antenna, interior, south-facing room (inc. Galileo)
Potentially visible
Actually used
RasPi-23, VK2828U7G5LF GPS module, upstairs
In north-west facing cupboard
Potentially visible
Actually used

Average SNR
RasPi-3, U-blox MAX-M8Q-0-10, downstairs
25 mm patch, south-facing corner (inc. Galileo)
GPS SNR average
Raspberry Pi 1B
RasPi-8, u-blox MAX-M8Q, upstairs
Patch antenna, south-facing window
GPS SNR average
Raspberry Pi 3B
RasPi-10, u-blox MAX-M8Q, upstairs
Mag mount patch antenna, room interior
GPS SNR average
Raspberry Pi 2B
RasPi-12, u-blox MAX-M8Q, upstairs
Near CH radiator
Loft dome antenna
GPS SNR average
RaspberryPi 3B
RasPi-18, u-blox MAX-M8Q-0-10, upstairs
Patch antenna, interior, south-facing room (inc. Galileo)
GPS SNR average
Raspberry Pi 3B+
RasPi-22, u-blox MAX-M8Q-0-10, upstairs
Patch antenna, interior, south-facing room (inc. Galileo)
GPS SNR average
Raspberry Pi 4B
RasPi-23, VK2828U7G5LF GPS module, upstairs
In north-west facing cupboard
GPS SNR average
Raspberry Pi 4B

Per-PC GPS data is here, and timekeeping graphs may be seen here.
 

Other periods: day week month year

How were these plots generated?

Using the Raspberry Pi as a Wi-Fi Plane Plotter server
Installing and configuring the Raspberry Pi
Using the Raspberry Pi as a stratum-1 NTP server

 
Copyright © David Taylor  Edinburgh SatSignal home page Last modified: 2024 Mar 31 at 02:05:37