On Thursday, October 3, 2019 at 4:45:05 AM UTC-4, John McLaughlin wrote:
I've searched this forum and google, but can't find the information - can
anyone tell me what readings I should expect to see at altitude?
Presumably, a steady decrease from the ground level reading, despite using

supplemental oxygen? But without a table of what's normal for each
altitude, how can you know when you need to be descending?

You should also see an increase in pulse as you climb.