Tag: testing
-
Battery testing, part 2
Following up on my previous post, here is some more data: I finally got one data set without interruptions or loss of data; 49 hours of continuous receive by the (tr)uSDX, from an initial 12.36 volts to shutdown at 9.40 volts. The Watt’s Up meter indicated 2.968 amp-hours, 31.2 watt-hours. Now here we have a…
-
Battery testing, part 1
This is a follow – up to my post in late February, “A battery project”. I was curious about the actual amp-hour capacity of the battery, compared to the nominal capacity printed on the label, and generally interested to learn a bit more about a key element of portable radio operating. The setup: The equipment:…