[Discuss-gnuradio] gsm and usrp2

2010-01-19 Thread Hanno Jung
Hi everybody I'm trying to find a frequency correction burst of gsm. This Burst is due to GMSK Modulation 67,7 kHz obove the carrier and unmodulated. I've got an older Nokia cell phone with some monitoring software where I can read out the arfcns the phone sees and thus the frequencies of the BCCH

[Discuss-gnuradio] usrp2_siggen.py missing

2010-01-11 Thread Hanno Jung
Hi everybody, I just changed to git after installing the whole thing i wondered why usrp2_siggen.py in /gr-utils/src/python is missing? Is this a mistake or what happened? Greets ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.g

Re: [Discuss-gnuradio] u2->set_tx_center_freq(freq, &tr) setting failing.

2010-01-08 Thread Hanno Jung
Hi, if you're trying to tune to 1100 Hz this should be too low for an rfx 1800. With that daughterboard try somethinf around 1800 whithout commas. I don't know if this format is supported. 2010/1/8 srinivas naga vutukuri > Daughter Board: RFX 1800 > what is the range i should have to provide

[Discuss-gnuradio] frequency hopping flow graph problems

2009-12-15 Thread Hanno Jung
Hi, I'm trying to sent X samples on frequency Y then after that on frequency Z and so on. But it looks like I have some problems with the flow graph because my second frequency is not beeing transmitted. It just stops after the first frequency has been transmitted. I tried different combinations

Re: [Discuss-gnuradio] Frequency Hopping/ center frequency /time

2009-12-13 Thread Hanno
Brian Padalino schrieb: On Sun, Dec 13, 2009 at 4:05 PM, Hanno wrote: Hi, what about calculating on the host? At the end I will have a signal at ~25Mhz (baseband) which will be converted up by the usrp. Is this really possible? It seems to me that this will be to high for the pc to

Re: [Discuss-gnuradio] Frequency Hopping/ center frequency /time

2009-12-13 Thread Hanno
Brian Padalino schrieb: On Tue, Dec 8, 2009 at 2:40 PM, Hanno wrote: Brian Padalino schrieb: No need to re-tune as long as you're within 32MHz (maybe 64MHz due to complex sampling?). Since you have a good amount of bandwidth to work with at the host, you could just "hop&qu

[Discuss-gnuradio] Frequency Hopping/ center frequency /time

2009-12-08 Thread Hanno Jung
Hi out there, I have several questions on Frequency Hopping. I'm trying to send a constant with the *_siggen.py files on different frequencies in short intervalls. Because those frequencies are spread over a band of 25MHz I need to change the center frequency of the board very fast(within micro s

Re: [Discuss-gnuradio] u2_flash_tool missing

2009-11-26 Thread Hanno Jung
2009/11/26 Martin Braun > On Thu, Nov 26, 2009 at 01:22:36PM +0100, Hanno Jung wrote: > > Hi > > > > I'm trying to update the firmware on usrp2's sd card but I'can't find the > flash > > tool. > > > > I know there was a posting on th

[Discuss-gnuradio] u2_flash_tool missing

2009-11-26 Thread Hanno Jung
msg20924.html Maybe someone can help me with this or where to get the tool Greets Hanno ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] ofdm - adjust subcarriers

2009-11-23 Thread Hanno Jung
For example by commandline? Hope someone can help. Hanno ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio