| 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 
       |