When I do my math on signal delays I come up way off from what the ‘pros’ at nasa say ...
Nasa was saying it was like 3 hours to see what happens.
My math ...
Earth to sun 93,000,000 miles, 8 minutes for light.
At closest Earth to Mars 40,000,000 miles, 3.5 minutes
At opposition Mars can only be 93+93+40 away from us so 226,000,000 mi.
So 8 mins+ 8 mins + 3.5 mins >> 19.5 mins
Minimum to Mars from Earth is 3.5 minutes and Maximum is just under 20 minutes.
AM I WRONG ?
There’s also a bandwidth limitation due to the weakness of the signal. The video imagery was recorded locally (i.e. on Mars) creating large files that then get transmitted back to Earth on a low bandwidth connection. I suspect it’s the slow download that takes 3 hours, and that’s for low-quality, decimated versions of the imagery. It wouldn’t surprise me if the full resolution, full frame rate imagery files take several days to download. There may also be a review process included in that 3 hours.
The MS Win 10 update kicked in and cost them 5 hours!!
Your math seems right, but I’m not sure whatever is being transmitted from Mars is traveling at the speed of light.