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Re: [Discuss-gnuradio] Re: USRP / DBSRX calibration

From: John Ewan
Subject: Re: [Discuss-gnuradio] Re: USRP / DBSRX calibration
Date: Thu, 8 May 2008 14:20:53 -0600


I am not sure how to post to the list, but..........
I came up with a noise temperature of 2291. 5 degrees K.
This would not make for a good front-end type receiver,
but could work as a back-end.


------ Original Message ------
From: Staffan Josefsson <address@hidden>
Date: Thursday, May 8th, 2008 6:20 AM MDT
To: address@hidden
Subject: [Discuss-gnuradio] Re: USRP / DBSRX calibration


I'm trying to estimate the noise temperature in the DBSRX and USRP as a part of a student project where we compare the USRP as an alternative for the receiver in a radio telescope. I tried to convert the -165dBm/Hz to Kelven but I'm not getting a sane value. I may be way out here but would be very pleased to find out what the noise temperature might be, in Kelvin.

Staffan Josefsson
Posted via http://www.ruby-forum.com/.

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