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[Discuss-gnuradio] gmsk_demod block

From: Marcus D. Leech
Subject: [Discuss-gnuradio] gmsk_demod block
Date: Tue, 23 Mar 2010 15:48:39 -0700
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20100301 Fedora/3.0.3-1.fc12 Thunderbird/3.0.3

Can I use this block on the output of a bandpass filter that doesn't
downconvert to baseband, or must
  the data always be basebanded?

I have an application (a VLF receiver application)  it uses the audio
subsystem to sample from
  around DC to around 40KHz or so, and carves off up to 4 narrowband
(100Hz to 400Hz)
  subchannels from those, and needs to demodulate (FSK or MSK) those

Do I need to do anything special after the channel filters?

Principal Investigator
Shirleys Bay Radio Astronomy Consortium

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