[hpsdr] PowerSDR v1.19.3.1.diversity2 using dual Mercury boards

[Joe Martin K5SO]

Diversity reception using two Mercury boards simultaneously on the  
Atlas bus is available in a test program called PowerSDR  
v1.19.3.1.diversity2 (Windows platforms).  The test program,  
supporting files (executable and source codes), and installation  
instructions may be downloaded at

http://k5so.com/HPSDR_downloads.html.

PowerSDR v1.19.3.1.diversity2 is a modified version of PowerSDR  
v1.19.3.1 and operates in diversity Rx mode full time.  All of the  
original Rx and Tx functions of PowerSDR 1.19.3.1 are functional, I  
believe.  To use the program it is necessary to load new code  
(provided) into the FPGAs in both Mercury boards.  New FPGA code for  
Ozy (Ozy_Janus.rbf) is loaded automatically by the  program from files  
included in the distribution folder.

Mercury board jumpers and other set up items for using dual Mercury  
boards are described in the "Multiple Mercury boards" paragraph on the  
Wiki at

http://openhpsdr.org/wiki/index.php?title=Multi-Receiver

and additional information regarding diversity reception is located in  
the "Release notes for PowerSDR v1.19.3.1.diversity2" at the download  
site mentioned above.

The Tx audio stream problem in PowerSDR v1.19.3.1.diversity1 has been  
fixed in this version.  Later versions of this program will include  
front panel selection of the Mercury boards (Mercry1 only, Mercury2  
only, and Both) and, perhaps, digital phasing of the two Mercury data  
streams.

If anyone happens to try this program and notices any bugs with it I'd  
appreciate feedback regarding them.  Thanks!

73,  Joe K5SO