UV in South Florida is so strong that we used to erase EPROMS by just sitting 
them outside. Miami is very much subtropical, and the sun’s damage from UV and 
intensity is incredibly strong.
It does have high humidity, which is rare in Arizona. It would be interesting 
to use good tools to measure UV at both places to compare.

In either place I wouldn’t expect plastic that hasn’t been protected for UV to 
last all that long.

73,
Jack, W6FB


> On Nov 3, 2018, at 4:39 PM, Walter Underwood <[email protected]> wrote:
> 
> UV increases with altitude, because it is absorbed by the atmosphere. For 
> every 1000 m of elevation, UV increases 10% to 12%. UV is also higher closer 
> to the equator.
> 
> wunder
> Walter Underwood
> [email protected]
> http://observer.wunderwood.org/  (my blog)
> 
>> On Nov 3, 2018, at 4:31 PM, Jack <[email protected]> wrote:
>> 
>> Wes,
>> Just giving my experience...no need to get snotty
>> Jack
>> W4GRJ
>> 
>> On Nov 3, 2018, at 6:01 PM, Wes Stewart <[email protected]> wrote:
>> 
>> Okay, you know better than the manufacturer.
>> 
>>> On 11/3/2018 2:42 PM, w4grj wrote:
>>> All I can say is I have had one on my boat exposed to the Sun for over a 
>>> year I live in Florida can't be any worse UV anywhere and it still good you 
>>> never know
>>> 
>>> Jack
>>> W4GRJ
>>> 
>>> Sent from my T-Mobile 4G LTE Device
>>> 
>>> -------- Original message --------
>>> From: Wes Stewart <[email protected]>
>>> Date: 11/3/18 17:32 (GMT-05:00)
>>> To: [email protected]
>>> Subject: Re: [Elecraft] KAT500 as a remote-controlled tuner
>>> 
>>> Look at the Q&A on this item.  Not good for UV exposure.
>>> 
>>> Not ready for AZ desert.
>> 
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