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Subject:
From:
Steve Dresser <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Wed, 22 Oct 2014 20:17:29 -0400
Content-Type:
text/plain
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text/plain (129 lines)
Yes, although I think David has a good point about getting too close to the edges of the range.

Steve

----- Original Message ----- 
From: "Steve Forst" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, October 22, 2014 18:28
Subject: Re: Has anyone here ever built a project from QST?


> Steve,
> 
> That's kind of what I figured.  I think Colin built his with 47k for the 
> low value, and while I had my choice of using either value, I went with 
> the 22k.      I'm sure the 100k isn't carved in stone either, as long as 
> it is substantially higher then the low value.
> 
> 73, Steve KW3A
> 
> On 10/22/2014 6:18 PM, Steve Dresser wrote:
>> Steve,
>>
>>>From what I've heard, those values don't have to be very precise, so as =
>> long as the high ones are relatively high and the low ones are =
>> relatively low, the logic works.
>>
>> Steve
>>
>> ----- Original Message -----=20
>> From: "Steve Forst" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Wednesday, October 22, 2014 11:40
>> Subject: Re: Has anyone here ever built a project from QST?
>>
>>
>>> I don't have any real skill, but just took my time, and I was lucky=20
>>> enough to have everything I needed laying around,  so if it failed, no =
>>
>>> big deal.
>>> =20
>>> =20
>>> Originally (in the 2000 literature) the values were 2  each of 100k =
>> and=20
>>> 47 k ohms.  In the 590's In Depth Manual, it was 2 each of 100k and =
>> 22k=20
>>> ohms.
>>> =20
>>> Not sure why the change, but I used 22k and it works on both the 590 =
>> and=20
>>> 2000.
>>> =20
>>> Since the whole thing is based on grounding 2 microphone pins through =
>> a=20
>>> higher or lower resistance to get a particular action, Perhaps it is=20
>>> just that the spread between the 2 sets of values is greater  with =
>> 100k=20
>>>   and 22k.
>>> =20
>>> 73, Steve KW3A
>>> =20
>>> =20
>>> On 10/22/2014 11:24 AM, Butch Bussen wrote:
>>>> I wish I had the skill to build such a box.  Do you recall value for =
>> the
>>>> resisters?
>>>> 73
>>>> Butch
>>>> WA0VJR
>>>> Node 3148
>>>> Wallace, ks.
>>>>
>>>>
>>>> On Wed, 22 Oct 2014, Steve Forst wrote:
>>>>
>>>>> Mike,
>>>>>
>>>>> Not from QST, but if you are in tinkering mode, an external box with
>>>>> extra pf keys  is nice to have for the 590.    Colin from this list =
>> had
>>>>> built one for his TS-2000  maybe 10 years ago, and I  did one about =
>> a
>>>>> year and a half ago.  Since both use the 8 pin round mic connector, =
>> it
>>>>> is interchangeable between the 2 radios.
>>>>>
>>>>> While the 590 has 2 pf keys on it, it is always nice to have more.  =
>> When
>>>>> you set up the pf keys to give voice announcements  in TX like swr,
>>>>> comp, and alc, it kind of uses up the 2 keys.
>>>>>
>>>>>
>>>>> A couple of momentary push button switches, microphone in and out, =
>> and
>>>>> some resistors, and you are in business.
>>>>>
>>>>> BTW, if you have a mic with up/down buttons (even the stock hand =
>> mic)
>>>>> and can do without the up/down function, the 590 lets you reassign =
>> them
>>>>> to act as pf keys.
>>>>>
>>>>> Good luck with the new radio.
>>>>>
>>>>> 73, Steve KW3A
>>>>>
>>>>>
>>>>> On 10/21/2014 6:56 PM, Mike Duke, K5XU wrote:
>>>>>> I'm just curious.
>>>>>>
>>>>>> I have applied a few of the Hints and Kinks through the years, and =
>> I
>>>>>> own a Tuna Tin 2 that someone else built.
>>>>>>
>>>>>> However, I have just recently bought the steel tape measure in =
>> order to
>>>>>> build the vertical from the August, 2014 issue.
>>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>
>>
>>
>>
>

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