[Elecraft] K3 and Alpha 87A SWR

[hawley, charles j jr]

Read down thru this thread on eHam

http://www.eham.net/ehamforum/smf/index.php?topic=79974.15

Chuck, KE9UW

Sent from my iPad

On Aug 22, 2012, at 3:54 PM, "ab2tc" <ab2tc at arrl.net> wrote:

> Hi,
> 
> Something is not right here. VSWR is not supposed to vary up and down a coax
> a few feet in length, particularly not on low frequencies as 80 and 160m. 8'
> or 96" is less than 1/10 of a wavelength on 80m. Is this happening with amp
> operating into a dummy load? If it is, something is wrong with the
> instrumentation, if not, the real problem is RF in the shack.
> 
> AB2TC - Knut
> 
> 
> W2RU - Bud Hippisley wrote
>> 
>> On Aug 22, 2012, at 1:01 PM, Jim Brown &lt;jim@&gt; wrote:
>> 
>>> You 
>>> might try engaging the auto tuner in the K3 if you have one. 
>> 
>> Be aware that both the Alpha 87A and 99 manuals tell you "NEVER use an
>> automatic antenna tuner into or through the [87A or 99].  This will cause
>> damage to the Input Wattmeter & Input Relay."
>> 
>> It's largely because of this prohibition that I don't even have a KAT3 in
>> my K3.
>> 
>> Bud, W2RU
>> ______________________________________________________________
>> 
> 
> 
> 
> 
> --
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