Yep, does contain data (shown below) and ja? seems to run about every 2-3 seconds
wto: {baseETo: 0.16, elevation: 246, h: 100, t: 100, r: 100, bh: 40, bt: 69.98, br: 0}
baseETo: 0.16
bh: 40
br: 0
bt: 69.98
elevation: 246
h: 100
r: 100
t: 100
One remark: These data shown here are in inches/feet, However, I use the metric option in /Options/System