For the ground stations, we have a Ublox NEO-6M GPS connected over UART1. We need to be able to store the exact location and time.
We also have the PPS pin connected as an input to the MCU. When it goes high, this indicates the start of a new second. We need to use this to calculate the exact time a signal is received, so we can reconstruct it to a high(ish) resolution.
For the ground stations, we have a Ublox NEO-6M GPS connected over UART1. We need to be able to store the exact location and time.
We also have the PPS pin connected as an input to the MCU. When it goes high, this indicates the start of a new second. We need to use this to calculate the exact time a signal is received, so we can reconstruct it to a high(ish) resolution.
Read this for more info:
https://github.com/SpaceTeam/TDoA_Analysis