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Eric Cathelinaud e.cathelinaud at googlemail.comok there are only downlink signals there since it s more than 935MHz. If I understand one of the pike 1&2 vanishes when you stop the BTS and the other one stays? Or is it the 3rd pike at 959.6 MHz who vanishes? I am not sure but I think you said the pike 1 disapeared and the pike 2 (weaker) staid... right? and the 3rd pike? The pike at 959.6 MHz corresponding to n = 123 is coming from the Tx0 for sure as Dieter said. Can you say what you can see when you load the bs11 with bs11_config query? And which power did u setup? 30mW (default)? Best regards, Eric 2009/7/20 Dieter Spaar <spaar at mirider.augusta.de> > Hello Philipp, > > On Mon, 20 Jul 2009 18:39:47 +0200, "dexter" <zero-kelvin at gmx.de> wrote: > > > > We have a Toy-Spectrum-Analyser here, so i have measured the output of > > our BS-11 when initalized with -f 123 > > > > http://www.root.runningserver.com/pub/openbsc_spektralanalyse.png > > > > Not sure what you are measuring on peak one and two, but channel 123 > should be 959.6 MHz, this is most certainly the third peak. There might > be small signals (e.g. from the oscillator of the BS-11) on other > frequencies, but they should be much smaller than the main signal. > > I don't know what the specification for a BTS allows as level for > emitting on other frequencies, so I can't give you any numbers how > strong those other signals can be. > > Best regards, > Dieter > -- > Dieter Spaar, Germany spaar at mirider.augusta.de > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/openbsc/attachments/20090720/b0a87112/attachment.htm>