Today we:
- mounted the EC150,
- reworked the guying and winch,
- added cable ties
- wired up the second battery
- shot boom angles with handheld compass. 2D N is to the SW at an angle of 130deg; 3D into the boom is 132/135 degrees.
- verified that Qsoil #16 (at 20cm) is I2C address 29. (by unplugging cable 16 and verifying that 29 went to nan).