High Latency link

QGroundControl
1

Quick question,

Lets say I’m getting interference on my telemetry radio link which reduce the available bandwidth.
I would then like to switch to the the high latency Mavlink stream. What the right way of doing this using QGC?

Also does that make sense?

2

Not really. You don’t “switch” to a high latency link. It’s a type of link like a satellite link.

3

Oh ok!!!
I guess I got confused with the “minimal mode”. Can you which for normal to minimal mode on the fly?
Also, so how does the high Latency mode differ from the others?

4

There are a few differences. The ones I recall are:

  • You don’t send heartbeats through from QGC to the plane
  • The timeout on receiving a heartbeat, which can also be a HIGH_LATENCY2 message, from the plane is increased
  • You cannot synch/modify params and missions using this link
  • If there are multiple links connected to QGC then the low latency links are preferred

This high latency link was mainly targeted to satellite communication where you experience latency ranging from 5-30 seconds and the bandwidth is very limited.

5

Oh ok thanks very much!