[aprssig] FEMA- Flood gauges (feedback)

Robert Bruninga bruninga at usna.edu
Thu Sep 15 09:24:42 CDT 2016

>> Here is a web page on some of the Flood Gauge ideas… Bob
>> http://aprs.org/flood-gauges.html

> Definitely a worthwhile project, but what am I missing?
> If the PVC pipe... is sealed at the top, how does water get in the pipe at
> the bottom?

I have updated the web page based on this excellent feedback:
- Yes, there needs to be an air-relief hole at the highest expected water
- Also, as shown the batteries will need to also be above the water line
- And Steve points out that only a waterproof level sensor should be used.

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