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Chris Hanson lightningbolts at gmail.comI just downloaded the RelWithDebInfo precompiled windows software that was posted on Oct 24th. I am using an E4000 dongle which has a PPM of +30. I am trying to listen to 424.175MHz and I'm using this: rtl_fm -p 30 -d 1 -N -o 4 -f 424.175M -s 16k -C|sox -r 16000 -t .raw -e signed-integer -b 16 -c 1 -V1 - -d everything is playing fine. I can hear 424.175MHz. The issue is that I'm hearing another station 50KHz higher on 424.225Mhz in addition to the frequency I want. So it looks as if it's not using a 16Khz filter. Am I doing something wrong or is there an issue with rtl_fm.exe? Thanks Chris -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/osmocom-sdr/attachments/20131028/6ce24f8f/attachment.htm>