Re: Elecraft Digest, Vol 175, Issue 4

[Edward A. Dauer]

Interesting to sort the list by UV flux data.  Doing that for the 3107 entries, my QTH in Teller County, Colorado, at an average elevation of about 8500' and with 247 sunny days per year according to the tourist adsr, is number 511.  53 of the 67 counties in Florida rank above it.  I would not have guessed that . . .

Ted, KN1CBR    
    ----------------------------------------------------------------------
   
    Message: 1
    Date: Sun, 4 Nov 2018 12:11:57 -0800
    From: Walter Underwood <[hidden email]>
    To: "[hidden email]" <[hidden email]>
    Subject: Re: [Elecraft] KAT500 as a remote-controlled tuner
    Message-ID: <[hidden email]>
    Content-Type: text/plain; charset=utf-8
   
    Here is a US map of "County Level UV Exposure Data for the Continental United States?. The desert southwest is the clear hotspot. If you look carefully at California, you can see the effect of altitude in the Sierra. That area has higher UV than the coastal areas. The page also has an Excel data file of county-level data.
   
    https://gis.cancer.gov/tools/uv-exposure/ <https://gis.cancer.gov/tools/uv-exposure/>
   
    wunder
    Walter Underwood
    [hidden email]
    http://observer.wunderwood.org/  (my blog)
   
   

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[Robert Cunnings]

The solar zenith angle has a strong effect, so latitude matters.

An interesting read from your home state:

https://uvb.nrel.colostate.edu/UVB/publications/UV-Primer.pdf

Bob NW8L (at 5300 ft asl, Sandoval County, NM, #37 in the ranking)


On Tue, 6 Nov 2018, Dauer, Edward wrote:

> Interesting to sort the list by UV flux data.  Doing that for the 3107 entries, my QTH in Teller County, Colorado, at an average elevation of about 8500' and with 247 sunny days per year according to the tourist adsr, is number 511.  53 of the 67 counties in Florida rank above it.  I would not have guessed that . . .
>
> Ted, KN1CBR
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