Hi,
yes, I can run the test and it says at the end
Max USB/USRP throughput = 32MB/sec
although it gives that error msg 3 times for each usb throughput check (3 times
for each 2M, 4M, 8M, 16M and 32M).
I am using DBSRX daughter card, which covers the GPS band, and this is
physically installed. I think we are ready to move forward. Faisal A.
KhanDoctral CandidateUniversity of New South WalesNSW 2052, Sydney, AustraliaP)
+61-2-93854208 M)+61-401-260728
Date: Mon, 3 Mar 2008 17:02:18 -0500From: [EMAIL PROTECTED]: [EMAIL PROTECTED]:
[EMAIL PROTECTED]: Re: [Discuss-gnuradio] GPS on USRP
I'd start by running usrp_benchmark_usb.py It's a USB speed test script, and
it will verify proper communication with the USRP. The script is located in
/usr/local/share/gnuradio/examples/usrp/ on my Linux installation.Do you have a
DBSRX daughter card to receive GPS frequencies? If that's physically installed
and the test script mentioned above runs, we can move on.--PaulPhaysal Khan
wrote:
Hi Paul,Finally I got a working system of USRP radio. The FM radio example runs
smoothly (atleast opens up and captures nothing:giving errors like
"usb_control_msg failed: usb_control_msg failed: sending control message
failed, win error, A device attached to the system is not functioning <--- Is
this ok? I am using cygwin, gnu-3.1.1 and python 2.5)!? Now, I would like to
record IF samples and use Kai Borre Matlab based GPS receiver to solve for
position. Should we proceed with sample recording. Can you guide me for this?
Faisal A. KhanDoctral CandidateUniversity of New South WalesNSW 2052, Sydney,
AustraliaP) +61-2-93854208 M)+61-401-260728
Date: Fri, 29 Feb 2008 12:45:29 -0500From: [EMAIL PROTECTED]: [EMAIL
PROTECTED]: [EMAIL PROTECTED]: Re: [Discuss-gnuradio] GPS on USRPFaisal,I'm at
Purdue University working toward using the USRP for GNSS applications. Check
my understanding: are you wanting to use the USRP to record, say, L1 band
samples directly to a data file? Would you be performing all of the signal
acquisition and tracking in post-processing with a separate software tool?I'm
working on Linux (Debian), but we aught to be able to trade notes. If you've
got a working installation of GNU Radio, I can show you how to record
samples.--PaulPhaysal Khan wrote:
Hi,I am a newbie to USRP, and still struggling to get it working on my windows
machine. I am trying to use cygwin. I reckon that many ppl have already
acquired and tracked GPS on USRP. Waht I want to do is to capture GPS IF
samples (e.g. at IF=5 MHz) and use a software receiver to process those IF
samples on PC. Any suggestions to start?!... Faisal A. KhanDoctral
CandidateUniversity of New South WalesNSW 2052, Sydney, AustraliaP)
+61-2-93854208 M)+61-401-260728
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