[hpsdr] Direction Finder using Dual-Mercury Diversity Operation

[Joe Martin K5SO]

Hi Mike,

Nope, to be coherent, the Hermes would need to have a common 122.88  
MHz osc (or equivalent clock, since I don't know for sure that Hermes  
uses 122.88MHz).  Using a common 10 MHz source won't do it, I'm  
afraid.  But that issue can in principle be solved as it is currently  
solved in the multiple Mercury applications, with inter-board cable  
connections from a single clock.  It's a little messy though and  
doesn't gain you anything more than using multiple Mercury boards  
(which already work!), I think.

RRR, on the transmit beam forming idea.  I've been thinking about that  
too, using multiple Penelope boards.  Guess I'll sort out the Rx end  
first, hihi.  Maybe you (or someone else) want()s to tackle the  
multiple Tx project now though.  I'd be happy to see that!

73,  Joe K5SO


On Sep 22, 2011, at 1:11 PM, AA8K73 GMail wrote:

> ***** High Performance Software Defined Radio Discussion List *****
>
>
> Perhaps we could use two HPSDRs?
>
> They could be synced by two Excalibur's running on the same 10 MHz  
> std.
>
> No Atlas socket or FPGA limitations, and we could also do transmit  
> beam forming.
>
>
> Mike - AA8K
>


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