midg II gps no fix status
I am using indigo and trying to get the midg II ins-gps to work with the husky robot. I found this post and used the python wrapper. However, the output of the message gave me a status -1, shown below:
Cheader:
seq: 55
stamp:
secs: 1536182230
nsecs: 85139989
frame_id: MIDG_base_frame
status:
status: -1
service: 0
latitude: 90.0
longitude: 90.0
altitude: -6399593.62
position_covariance: [429483.62250000006, 0.0, 0.0, 0.0, 429483.62250000006, 0.0, 0.0, 0.0, 429483.62250000006]
position_covariance_type: 2
From going through the python file and the clearpath midg ros package, it seems that -1 means no fix. My questions is, what could be some possible problems that could cause the status to be -1?
That seems more like a question for the MIDG manual than a ROS question. I'd double-check the obvious things for any INS system: GPS antenna plugged in, good view of sky (at least a few meters from a building) and if that doesn't work I'd look for a hardware manual.
In addition to the suggestions of @ahendrix, I would also check whether the mfg has some kind of diagnostic tool or configuration program. If they do, those can typically tell you the status of the device and can be very helpful in making sure everything is ok. Then diagnose the ROS side.