[Elecraft] Operating temperature range ( second attempt)

[John K7JLT]

When I did the temp compensation the radio had cold soaked over night. The only problem that I remember was a slow display. I ran the radio up to 110F, 43C (radio out in the sun).

John K7JLT

Igor Sokolov <ua9cdc at gmail.com> wrote:

>Thanks Jerry. +8F (-13 C) is the lowest mentioned here so far for KX3. I 
>will have to wait till next winter to try temperatures lower then that. Now 
>it only gets down to minus 8C in the night and day temperatures are all 
>above freezing.
>
>73, Igor UA9CDC
>----- Original Message ----- 
>From: "Jerry Curry" <jercurry at att.net>
>To: "John K7JLT" <k7jltextra at gmail.com>
>Cc: "Igor Sokolov" <ua9cdc at gmail.com>; "Mailman" <elecraft at mailman.qth.net>
>Sent: Wednesday, March 30, 2016 9:54 PM
>Subject: Re: [Elecraft] Operating temperature range ( second attempt)
>
>
>I’ve run my KX3 at +8F with no problems but that was SSB. I’ve not done any 
>temp compensation on it. Also,
>the radio was ‘warm’ +60F when started but was outside in the cold at +8F 
>for about 5 hours.  It may have generated enough heat internally to help and 
>I’m not sure if a cold soaked radio would operate the same from a cold 
>start.  Great little radio!!
>
>Jerry
>KL7EDK
>
>
>> On Mar 30, 2016, at 8:32 AM, John K7JLT <k7jltextra at gmail.com> wrote:
>>
>> I have operated my K1 (after cap modification by Elecraft) & KX1 at -
>> 40 C & F with only my fingers suffering from the cold.  When I did temp 
>> compensation on my KX3 I took it down to -10 C.  I know KL7EDK in 
>> Fairbanks AK may operate on the Yukon Quest with a KX3 which gets very 
>> very cold.
>>
>> John K7JLT
>>
>> Igor Sokolov <ua9cdc at gmail.com> wrote:
>>
>>> There were no responce to the initial message so I post it again:
>>>
>>> I have both K3 and KX3 and I sometimes use them outside in a field
>>> operation. Here in Russia we have one funny QRP contest called 
>>> "Frost-red
>>> nose" where extra points are given for low temperature environment during
>>> field operation. The contest happens in January when in some places
>>> temperatures can be down to minus 30 C. I did not find temperature
>>> requirements for K3/KX3 in the specs. Can somebody give me a hint or may 
>>> be
>>> share own experience. What would be the lowest temperature where the rig
>>> will still perform adequately?
>>>
>>> 73, Igor UA9CDC
>>>
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>