Hi
> On Dec 16, 2014, at 7:29 PM, Magnus Danielson <[email protected]> > wrote: > > Jim, Bob, > > On 12/17/2014 01:06 AM, Bob Camp wrote: >> Hi >> >>> On Dec 16, 2014, at 7:01 PM, Jim Lux <[email protected]> wrote: >>> >>> On 12/16/14, 3:36 PM, Magnus Danielson wrote: >>>> Paul, >>>> >>>> That is indeed the question. Considering that the signal is better >>>> supported, I hope the light goes on somewhere. The signals is all >>>> 1,023 Mchips/s, just a thad different. Should be possible to pull off if >>>> people want to do dual frequency without going full bandwidth. >>>> >>>> Then again, if you are willing to pay good money, you can get it today. >>>> >>> >>> what about one of the software receivers? I would think that making L2 and >>> L5 filters isn't that tough, so all you need is the back end. >> >> ….. and the back end is where all the work is. > > There is a fair amount of work along the full path. > > LNA with some L2 and L5 filters is pretty easy. > > I think you still want to have a correlator baseband processing in say an > FPGA. > > There is naturally stuff to be done on the L2C and L5 modulated signals, but > it goes in a relatively slow paze so that even modest processors can keep up > with it. Since these are “odd” signals, the hardware is only a small part of the problem. I would bet that the standard bits and pieces are only going to get you part of the way with these signals. The 10% hardware hours / 90% software hours likely applies here. Bob > > Cheers, > Magnus > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
