Alta Harstad Kiruna Lund Oslo Penguin Stamsund RPi 1  3  4  5  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  28 29 Pixie Condor Drammen Floro Ystad Web srv
WAN Network Timekeeping CPU/mem  EUMETCast Europe  DVB-S2 Ecast I/O Losses HVS losses RAMdisk T1/T2 Air °C  ADS-B GPS DOP SNR NTP jitter  How-to

Timekeeping, temperature and GPS satellites

RasPi-3, Raspberry Pi model B
Timekeeping
U-blox MAX-M8Q-0-10, 25 mm patch indoors
Downstairs, floor level
near south-facing wall
CPU temperature
u-blox MAX-M8Q-0-10 (inc. Galileo)
GPS Satellites
Potentially visible
Actually used
GPS SNR average

RasPi-10, Raspberry Pi model 2 B
Timekeeping
"No-soldering" GPS/PPS sync
Upstairs, high up, fair view, heated room
CPU temperature
u-blox MAX-M8Q
GPS Satellites
Potentially visible
Actually used
GPS SNR average

RasPi-12, Raspberry Pi model 3 B
Timekeeping
"No-soldering" GPS/PPS sync
Near CH radiator
Loft dome antenna
CPU temperature
u-blox MAX-M8Q
GPS Satellites
Potentially visible
Actually used
GPS SNR average

RasPi-13, Raspberry Pi model 3 B
Timekeeping
"No-soldering" GPS/PPS sync
Upstairs, heated room, near north-facing wall
CPU temperature
u-blox MAX-M8Q
GPS Satellites
Potentially visible
Actually used
GPS SNR average

RasPi-22, Raspberry Pi model 4 B
Timekeeping
Uputronics MAX-M8Q-0-10 GPS/PPS sync
Upstairs in the middle of a south-facing room
CPU temperature
u-blox MAX-M8Q-0-10
GPS Satellites (includes Galileo)
Potentially visible
Actually used
GPS SNR average

RasPi-23, Raspberry Pi model 4 B, 64-bit OS [PPS after 2020-May-31, week 22]
Timekeeping
VK2828U7G5LF GPS module GPS/PPS sync
In north-west facing cupboard
CPU temperature
VK2828U7G5LF GPS module
GPS Satellites
Potentially visible
Actually used
GPS SNR average
 

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