Results 4 issues of Jawad

### Issue details mavftp is not working with the following command **rosrun mavros mavftp list** need help! ![image](https://user-images.githubusercontent.com/8236711/144066469-c0269296-1ce0-4e0e-ba97-3d162492e7d6.png) ROS: ?Melodic? Ubuntu: ?18.04?

question

Hi.. is there any way to request HDOP and VDOP data Subscribing to /mavros/global_position/raw/satellites , it gives only the number of satellites.. ![image](https://user-images.githubusercontent.com/8236711/143424409-ac105480-7d4a-485e-ad18-bd7d734d0f24.png) and also if i subscribe to /mavros/global_position/raw/fix,...

question

### Issue details Hi... Is there any way to download data flash log from Flight controller using mavros ... ? Have any one tried? I don't see commands for log...

question

Hi... MAVSDK_SERVER is running with master as dronekit-sitl and having one udp output with MAVSDK-PYTHON examples... especially im able to print telemetry data (by running telemetry.py) cnnecting to that UDP...