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From: | Paul B. Huter |
Subject: | Re: [Discuss-gnuradio] What am I really seeing? |
Date: | Sun, 17 Nov 2013 05:51:29 -0800 |
I am using a USRP2 N210 with the shortwave receiver daughterboard. When I was playing around, I was getting an error when I set the sample rate on the USRP source to 30MHz, and was told it had something to do with dividing 100 by 30 and not getting an integer (you get 3.33333), so it was recommended I use 25 or 50, with 25 giving more resolution on the results. If I am setting the rate to 50MHz on the source and 30MHz on the FFT sink, and I am actually seeing (and ultimately recording with a file sink) the whole shortwave spectrum, I will be satisfied.
Thank you.
Paul B. Huter
Andrew Davis <address@hidden> wrote:
I have a GNU Radio setup to look at shortwave. I have my sample size set to 50MHz (since I was told I can't use 30). If I set my FFT to 30MHz with a baseband of 15MHz, am I actually seeing the shortwave spectrum (0-30MHz)? Also, any suggestions on setting the FFT Size?
Thank you!
Paul B. Huter
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