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Messages - IQ_imbalance

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SDR - Software Defined Radio / Re: Raspberry Pi, antennas, and SDR
« on: February 23, 2013, 1830 UTC »
Years of research in dusty library stacks and damp basements has revealed this:


SDR - Software Defined Radio / Re: NooElec brand RTL-SDR dongle
« on: February 23, 2013, 1828 UTC »
The lower frequency cutoff on the dongles is usually around 60MHz or so.  However....lookee what I found:


And it even looks achievable by my (questionable) soldiering skills.

SDR - Software Defined Radio / Raspberry Pi, antennas, and SDR
« on: February 14, 2013, 0231 UTC »
So now that you can pretty much have a complete computer for $35 or so, and add on a SDR for another $15....thoughts on how this might be fun?  Since you could have a $50 receiver right at your antenna, would it be easier to build arrays since you wouldn't have to worry about losses in the feed (just about running the ethernet cables between the boxes...)?

SDR - Software Defined Radio / Re: HDSDR on Mac OS X
« on: February 12, 2013, 0225 UTC »
yayyy.....gnuradio is up and running.  now i have to find the time to actually play with it  ::)

SDR - Software Defined Radio / Re: HDSDR on Mac OS X
« on: February 11, 2013, 0603 UTC »
Haven't tried hdsdr yet, still trying to get gnuradio up and running.

Earlier today I tried to log in with tapatalk for iOS and received an error that access from tapatalk was restricted or that the forum plugin wasn't functioning.  Has anyone else had a problem with tapatalk lately?

The quicksilver SDR QS1R looks very nice, but I can't justify the cost right now.  A sub $50 dongle would be great to play with, but I don't think they'll perform on the SW bands I want. 

North American Shortwave Pirate / SSTV or FAX 6925u 0146Z
« on: July 07, 2008, 0152 UTC »
Sounds like SSTV(?) or FAX.  Fades in and out.

If it _is_ SSTV, is there anyway to tell what mode? 

North American Shortwave Pirate / Re: WBNY 6925 USB 1253 UTC
« on: July 06, 2008, 0150 UTC »
Are you experiencing a lot of noise on 6925? 

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