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Re: [Discuss-gnuradio] Using the USRP1 for GOES LRIT reception...

From: Thomas Tsou
Subject: Re: [Discuss-gnuradio] Using the USRP1 for GOES LRIT reception...
Date: Sun, 5 Sep 2010 15:12:26 -0400

On Sun, Sep 5, 2010 at 1:03 PM, Michael Kimzey <address@hidden> wrote:
> Hello all.
> I'm a bit of a noobie and getting my feet wet here.  I hope to use my 
> recently received USRP1 to receive the GOES weather satellite LRIT data using 
> software from their site.  (here: http://www.goes-r.gov/hrit_emwin/index.html 
> )
> First, I was wondering if there was anyone else out there interested in/doing 
> the same.
> Second, I loaded up the software and followed the included directions 
> (setting environment variables, etc) but it seems that the firmware wouldn't 
> load up.  (the USRP1 is installed and recognized by windows, though)
> Here is the output:
> --------------------------------------------------C:\Program Files\HRIT 
> Radio>emwinr
> ==========================
> ===========================
> The current date is 09/05/10
> The current time is 12:14:00
> Clock.Frequency: 64.0 MHz
> ======================
> ======================
> Can't find firmware: std_Aerospace.ihx
> PATH= C:\Program Files\HRIT Radio
> This application has requested the Runtime to terminate it in an unusual way.
> Please contact the application's support team for more information.
> C:\Program Files\HRIT Radio>
> ---------------------------------------------------As an FYI, the required 
> firmware (std_Aerospace.ihx) is in this directory and has the exact same 
> spelling.
> So, if anyone can offer some insight that would be cool.  I'll also be asking 
> the developers and update this list if I hear anything.

I took a peek at the receiver code. Since it reuses the USRP code from
GNURadio the following should apply. Assuming that you have the
USRP_PATH environment variable set, the firmware file should be in
USRP_PATH\rev4\ and not in the base directory specified by the


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