[hpsdr] Cyclops update

[John Melton]

Hi Phil/Bill/Tom.

Great to see you are going to be using Java for the GUI ;-)

If I can be of any help, as a result of the work I have been doing 
writing a Java GUI for the SDR-1000 that runs on Linux and Max OS X 
using DttSP, let me know.

Regards,

John g0orx/n6lyt

--
   John Melton
   Sun IT CTO Office
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Phil Harman wrote:
> ***** High Performance Software Defined Radio Discussion List *****
> 
> Update:  4 December 2007
> 
> Bill, KD5TFD,  and I have successfully modified the necessary software, 
> based on
> MercScope,  to  display a 48-51MHz chunk of spectrum from Mercury.
> 
> This represents a working proof of concept as far as the IF is concerned.
> 
> We have also tested a simulated input to the IF so that the PC code 
> development
> can progress whist we are developing the hardware.
> 
> Considerable feedback has indicated that basing the software
> design on C# and Windows based tools was not particularly popular :)
> There was strong support for a cross platform approach.
> 
> In which case further development will  be undertaken using  Java for the 
> GUI
> (including OpenGL), C/C++ for the processing logic and dttSP for the
> signal processing.
> 
> Tom, N4WBS, has agreed to be lead programmer  and I am delighted to welcome 
> him to the project.
> I am sure Tom would appreciate other programmers input so feel free to 
> volunteer!
> 
> I have also looked at using a higher 2nd IF, 96MHz rather than 50MHz.
> This will further relax the specification of the GHz first IF filter
> and the availability of high performance SAW filters at 96MHz
> will provide sufficient 2nd IF image rejection. The performance of
> Mercury at this frequency (an alias response) is totally acceptable.
> 
> 73's Phil...VK6APH
> 
> 
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