While we are on the topic of being nice to our electronics, a dimension that 
many folks don’t think about down here in the “south” (of the northern 
hemisphere, specially when it’s > 90F outside) is powering-on “cold soaked” 
electronics:

if the physical hardware is cold enough (-20C / 0F) will often suffice, -40 is 
highly reliable) and you push power through “high power” electronics (e.g. 
power transistors) the very rapid thermal transition can cause fatal errors (as 
in letting the magic smoke out.)

Use the best quality equipment you can afford, treat it well, and it will serve 
for decades if not lifetimes. 

-Dale KB1ZKD


> On Jul 5, 2018, at 13:19 , Josh Fiden <[email protected]> wrote:
> 
> I prefer a sawzall to rendering a window inoperable. 
> 
> I use a Peco TF115-001 (about $30) wired to a portable oil filled electric 
> heater on low. Thermostat set to 55F is enough so gear isn't cold enough to 
> form condensation as outside temps warm in the morning. I'm in coastal N 
> California, so cooling not required in the shack. 
> 
> 73
> Josh W6XU
> 
> Sent from my mobile device
> 
>> On Jul 5, 2018, at 8:49 AM, W2xj <[email protected]> wrote:
>> 
>> But sheds and pre-fab shelters don’t have windows.
> 
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