Re: [Discuss-gnuradio] software defined antenna

2008-10-12 Thread Jason Uher
>>beam-forming They are also called 'smart antennas'. Basically (very basically) you adjust the gain on different elements of an antenna which changes the beam properties (gain and width) of the overall array. Try here as a starting point: http://en.wikipedia.org/wiki/Smart_antenna ___

Re: [Discuss-gnuradio] software defined antenna

2008-10-12 Thread rhubbell
On Fri, 2008-10-10 at 16:20 -0400, John Ackermann N8UR wrote: > rhubbell wrote: > > Hi all, > > > > After being on-frequency here for a little while I can see that the > > range of experience/expertise is wide. Which is great. > > > > I'm curious if any long-timers have begun to look at software

Re: [Discuss-gnuradio] software defined antenna

2008-10-12 Thread rhubbell
On Sat, 2008-10-11 at 11:08 +1030, Berndt Josef Wulf wrote: > On Saturday 11 October 2008 09:14:48 Steve Totaro wrote: > > On Fri, Oct 10, 2008 at 4:20 PM, John Ackermann N8UR <[EMAIL PROTECTED]> > > wrote: > > > rhubbell wrote: > > >> Hi all, > > >> > > >> After being on-frequency here for a litt

[Discuss-gnuradio] two RX paths

2008-10-12 Thread Juha Vierinen
Hi, Is there an example where two usrp sources are used to sample from two daughtercards simultaneously? Or is this even possible? Best Regards, juha ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/disc

Re: [Discuss-gnuradio] FYI: One small step for GNU Radio...

2008-10-12 Thread rhubbell
On Sun, 2008-10-12 at 16:19 +0200, Anders Feder wrote: > Hello, > > In what I assume is a first for GNU Radio, open source Google Lunar X > Prize contestant Team FREDNET, is planning to use GNU Radio on board > their spacecraft to the Moon. Neat for GnuRadio. Regarding LunarX, to me anything t

[Discuss-gnuradio] proposal/question about patching gr_file_{source, sink} to support a change filename callback

2008-10-12 Thread Brett L. Trotter
Looking at the gr_file_source code, it doesn't appear that there is a callback to close the current file and open a new one instead. I have an application where I'd like to be able to do that. If it's not implemented in some other way I haven't found, I'd like to implement this and have done so suc

[Discuss-gnuradio] FYI: One small step for GNU Radio...

2008-10-12 Thread Anders Feder
Hello, In what I assume is a first for GNU Radio, open source Google Lunar X Prize contestant Team FREDNET, is planning to use GNU Radio on board their spacecraft to the Moon. I've just written an article about a 'communications lab' the team has recently set up with GNU Radio software and hardwa