[R-390] re Softrock

[Bernie Doran]

If you pick the signal off of the last if tube prior to the filters, you can 
significantly improve the bandwidth. Just use a piece of copper sheet 
wrapped around the exterior of the tube.  Bernie W8RPW----- Original 
Message ----- 
From: "Tom Frobase" <tfrobase at gmail.com>
To: "Johnsay Johnsay" <groundwave at yahoo.com>
Cc: <r-390 at mailman.qth.net>
Sent: Tuesday, October 01, 2013 9:33 AM
Subject: Re: [R-390] re Softrock


> It is limited by the IF filter, I have been running it in the 16KHz 
> position.  There were times when I could individually select any one of 3 
> SSB signals in the bandpass as well as numerous CW signals.  So I have 
> been tuning close and using the software for the band spread.
>
> I think the non "A" may even be a better candidate since the hard filters 
> are in the software, if you have a decent PC in the shack $21.00 isn't a 
> big investment ... tom, N3LLL
>
>> On Oct 1, 2013, at 8:17 AM, Johnsay Johnsay <groundwave at yahoo.com> wrote:
>>
>> I've been intending to try this...  How wide of a frequency range around 
>> 455 KHz will the Softrock cover?
>> John,  W8KX
>>
>>
>>
>> This year at Dayton I spent the stately amount of $21 for a Softrock Lite 
>> II
>> kit.  I finally got around to building the thing this weekend, I can say
>> that I am totally impressed with the performance.  I am using it with a 
>> Dell
>> OptiPlex 755 I bought at Micro Center at as a refurb with Windows 7 for 
>> $260
>> and version 2 of Simon Browns SDR-Radio.  So even assuming the eBay price
>> for a CV-591 ranges from $250 - $500, I think the softrock is a great
>> solution.  I know this is heresy but this just adds a whole new dimension 
>> to
>> my 390 experience .  73 .  tom, N3LLL
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