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Subject:
From:
Steve Dresser <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Sat, 17 Nov 2007 11:42:56 -0500
Content-Type:
text/plain
Parts/Attachments:
text/plain (101 lines)
Yeah, Tom, you can't beat that Astron supply.  You could just set it up near 
the operating position in an out-of-the-way place and forget about it.

Steve

----- Original Message ----- 
From: "T Behler" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Saturday, November 17, 2007 10:40
Subject: Re: recommendations for switching power supply for TS480


>    Steve:
>
> You know, I had thought about doing just what you say--running the rig off
> the 12-volt supply in the rv.
>
> In fact, we have an inverter in the motor home that could do just that.
>
> However, my concern is that we often remain camped at one spot for several
> days to maybe even a week at a time, and I worry that my use of the 
> battery
> might take the battery down too much, especially if I'm running, say, 100
> watts on CW.
>
> That's why I thought it'd be good to have a way to run it off commercial 
> AC
> power at the camp site.
>
> I have an Astron RS35 transformer-type supply in the home shack right now
> for my Icom 746, and love it.  I simply was trying to avoid having to deal
> with something that heavy or bulky, although, as you say, it'd probably
> eliminate the noise possibility that you'd have with the switching supply.
>
> This is why I'm trying to think things through here.
>
> 73 from Tom Behler:  KB8TYJ
> 73 from Tom Behler:  KB8TYJ
>
> ----- Original Message ----- 
> From: "Steve Dresser" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Friday, November 16, 2007 10:57 PM
> Subject: Re: recommendations for switching power supply for TS480
>
>
>> Tom,
>>
>> Quite frankly, I wouldn't use a switching supply on that radio, mostly
>> because of the noise problems you mentioned.  I know there are quiet
>> switching power supplies, but you'll probably pay a lot more for one than
>> you would for a linear power supply of comparable current rating.  Since
>> you
>> want to use the radio in a motor home, wouldn't it be more practical to
>> run
>> the radio off of a 12-volt source?  Aside from that, an Astron 35-amp
>> supply
>> is about 8 inches square, so it's not that big.
>>
>> Steve
>>
>> ----- Original Message ----- 
>> From: "T Behler" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Friday, November 16, 2007 19:32
>> Subject: recommendations for switching power supply for TS480
>>
>>
>>> Hi, all.
>>>
>>> Well, folks, I think that, due to a number of concerns and issues, I'm
>>> leaning toward purchasing the Kenwood TS480 as my HF rig of choice for
>>> the
>>> motor home.
>>>
>>> Can anyone recommend a good quiet switching power supply for that rig?
>>>
>>> I have been corresponding with Kevin (K7RX), and he suggests the Samlex
>>> 1223, but I can't seem to find it available anywhere, unless I'm just
>>> looking in the wrong places.
>>>
>>> I have an MFJ 4125 22-25 amp supply that I have used before, although it
>>> seems somewhat noisy on parts of the HF band spectrum, and also has a
>>> rather
>>> loud fan.
>>>
>>> If you have recommendations, could you give me approximate prices too?
>>>
>>> I think I might go for a slightly larger supply for the TS480, so maybe 
>>> a
>>> 35-amper would be the most practical.
>>>
>>> Thanks as always, and 73 from Tom Behler:  KB8TYJ
>>>
>>>
>>>
>>
>
>
> 

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