[AMRadio] SDR-IQ

Bernie Doran qedconsultants at embarqmail.com
Mon Mar 29 13:10:54 EDT 2010

Don, Brett said they sound much better using WINRAD, but I have not been 
able to get it to run. The other thing, I wonder how many receivers Collins, 
National, and the other great manufacturers would have sold if it  hours to 
run the stupid things?  I bet I have 30 to 40 hours fooling with it.  It 
does make a great bandscope, and an excellent piece of test gear.   And they 
are not terribly expensive.  Bernie
----- Original Message ----- 
From: "D. Chester" <k4kyv at charter.net>
To: <amradio at mailman.qth.net>
Sent: Monday, March 29, 2010 12:23 PM
Subject: Re: [AMRadio] SDR-IQ

> Bernie, your experience with the SDR-IQ has about convinced me to save my
> money.  I had entertained the idea of purchasing one, but maybe I'd better
> at least wait till they work some of the bugs out of it.
> Here is another digital gadget (software only) that I am considering. It
> would convert a laptop to a portable audio spectrum analyser for checking
> everything from microphones, audio amplifiers, incoming signals off the
> radio, individual voice responses, or every combination thereof.  It would
> seem a  lot better for checking the speech amp than the old audio signal
> generator and scope or level meter method,  since you could check the
> instantaneous response curve of your entire system, all the way from your
> larynx to the transmitting antenna.  And this one costs only 100 bucks.
> Bernie KC8RPW in Columbus OH has the cheapie version and he is  highly
> satisfied with it, but I think I would spend a few more $$$ for the true
> spectrum analyser instead of just the bar graph.  Wonder if anyone else 
> has
> used one of these?
> It is called the TrueRTA Audio Analyzer.  Best of all, it's downloadable, 
> so
> no waiting for a CD to arrive in the mail.  There is also a free version,
> with very limited functionality, but I would try that before investing 
> money
> in the "good" one.
> http://www.trueaudio.com/rta_abt1.htm
> Don k4kyv
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