Thank you Steve! I apologize for my ignorance and appreciate the clarifications.

I will be working on a FAQ for CF and will likely include some UDUNITS-specific 
information, as these questions have come up in various contexts. 

john


On May 26, 2014, at 16:54, Steven Emmerson <[email protected]> wrote:

> John,
> 
> Plural units are allowed.
> 
> The kilogram is the base unit of mass because that's what the SI says is the 
> base unit of mass. I wish it wasn't.
> 
> The UDUNITS package should accept "cubic meters" but doesn't. I consider that 
> a bug and I'll work on it immediately.
> 
> Regards,
> Steven Emmerson
> Software Developer
> Unidata Program Center
> University Corporation for Atmospheric Research
> 
> 
> On Mon, May 26, 2014 at 5:11 PM, John Graybeal <[email protected]> 
> wrote:
> 3 progressively stupider questions, offered in hopes of provoking the right 
> answer:
> - Perhaps depends on which standard name it's attached to?
> - Are plural units allowed in the prefix?
> - Why is the base mass unit kilogram, i.e., why does it already have a prefix?
> 
> If anyone has found a deep description of UDUNITS I'd love to know of it. So 
> far it seems like one has to study and do tests with the code to understand 
> all the details.
> 
> John
> 
> On May 26, 2014, at 06:53, "Lowry, Roy K." <[email protected]> wrote:
> 
>> Dear All,
>>  
>> We're getting a CF conformance checker error on the units 'milligrams per 
>> cubic meter'. Anybody know why it's wrong?
>>  
>> Cheers, Roy.
>> 
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> 
> John Graybeal
> [email protected]
> 
> 
> 
> 
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John Graybeal
[email protected]



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