Return-Path: Received: from rly-dd01.mx.aol.com (rly-dd01.mail.aol.com [172.19.141.148]) by air-dd09.mail.aol.com (v120.9) with ESMTP id MAILINDD094-b5c4720ab5632; Thu, 25 Oct 2007 10:42:40 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-dd01.mx.aol.com (v120.9) with ESMTP id MAILRELAYINDD016-b5c4720ab5632; Thu, 25 Oct 2007 10:42:32 -0400 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Il3uX-0005dh-DT for rs_out_1@blacksheep.org; Thu, 25 Oct 2007 15:42:13 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Il3uW-0005dY-VQ for rsgb_lf_group@blacksheep.org; Thu, 25 Oct 2007 15:42:12 +0100 Received: from bay0-omc3-s18.bay0.hotmail.com ([65.54.246.218]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Il3uS-0003pw-Jt for rsgb_lf_group@blacksheep.org; Thu, 25 Oct 2007 15:42:12 +0100 Received: from BAY124-W55 ([207.46.11.218]) by bay0-omc3-s18.bay0.hotmail.com with Microsoft SMTPSVC(6.0.3790.3959); Thu, 25 Oct 2007 07:41:21 -0700 Message-ID: X-Originating-IP: [202.156.8.11] From: Laurence KL1X To: Date: Thu, 25 Oct 2007 06:41:18 -0800 Importance: Normal In-Reply-To: References: <000701c816e4$dcd880f0$23d0fc3e@g3kev> <005201c816ea$f9f39e30$a35e6a58@wgt01> <20071025142802.zqjmwxf283i8404c@webmail.muenster.de> MIME-Version: 1.0 X-OriginalArrivalTime: 25 Oct 2007 14:41:21.0755 (UTC) FILETIME=[1C5B32B0:01C81715] X-Karma: unknown: X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Content-Type: multipart/alternative; boundary="_71613c08-bef1-42a4-a12b-ea7052cf7f8c_" Subject: LF: SDR X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=FORGED_HOTMAIL_RCVD, HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-AOL-IP: 193.82.116.20 X-AOL-SCOLL-AUTHENTICATION: listenair ; SPF_helo : X-AOL-SCOLL-AUTHENTICATION: listenair ; SPF_822_from : X-Mailer: Unknown (No Version) --_71613c08-bef1-42a4-a12b-ea7052cf7f8c_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable ....and certainly the new rev of software for the SDR IQ 2.31 is a big impro= vement - I love the NCo carrier null which was my biggest issue beyond IM/XM= . Now if they can only automate the carrier null into software so I dont hav= e to push the button and improve the temp freq compensation it would make me= really broadly smile, and turn off the AGC on SSB.... =20 ....the R75 still is the winner but its getting closer when you consider the= pros and cons of being frogmarched and interrogated by N unnamed agencies (= again) at some unnamed international airport, versus carrying a small pc boa= rd wiv an USB port and a BNC plug on it.. =20 Its a long story. =20 :-) =20 Laurence 9V1LF =20 snip=20 =20 > I agree... it's not so easy to write articles with a good technical conten= t.> I'm preparing my first article to be sent to RadCom. It will be on a com= parison> between SDR receivers (SDR-IQ and Perseus in particular, plus some=20= comments> on the difficulties of specifying and testing SDR designs).> It to= ok me about 30 hours to do the measurement work, get the data, > think about= it,> review the data, write the article, sending to a few friends for > rev= iew, correcting it,> adding some picture and so on. And it is not a construc= tion article, > only a test> on existing HW and SW. But I'm convinced that t= he SDR is a whole new world> for ham radio, so I did the effort. Some enthus= iasm is needed, HI.> > 73 - Marco IK1ODO / AI4YF> >=20 _________________________________________________________________ Help yourself to FREE treats served up daily at the Messenger Caf=E9. Stop b= y today. http://www.cafemessenger.com/info/info_sweetstuff2.html?ocid=3DTXT_TAGLM_Oct= WLtagline=3D --_71613c08-bef1-42a4-a12b-ea7052cf7f8c_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable ....and certainly the new rev of software for the SDR IQ 2.31 is a big impro= vement - I love the NCo carrier null which was my biggest issue beyond IM/XM= . Now if they can only automate the carrier null into software so I dont hav= e to push the button and improve the temp freq compensation it would make me= really broadly smile, and turn off the AGC on SSB....
 
....the R75 still is the winner but its getting closer when you consider the= pros and cons of being frogmarched and interrogated by N unnamed agenc= ies (again) at some unnamed international airport, versus carrying = ;a small pc board wiv an USB port and a BNC plug on it..
 
Its a long story.
 
:-)
 
Laurence 9V1LF

 
snip
 
> I agree... it's not so easy to write articles with a good technical con= tent.
> I'm preparing my first article to be sent to RadCom. It will b= e on a comparison
> between SDR receivers (SDR-IQ and Perseus in parti= cular, plus some comments
> on the difficulties of specifying and test= ing SDR designs).
> It took me about 30 hours to do the measurement wo= rk, get the data,
> think about it,
> review the data, write th= e article, sending to a few friends for
> review, correcting it,
&= gt; adding some picture and so on. And it is not a construction article, > only a test
> on existing HW and SW. But I'm convinced that the=20= SDR is a whole new world
> for ham radio, so I did the effort. Some en= thusiasm is needed, HI.
>
> 73 - Marco IK1ODO / AI4YF
> <= BR>>


Help yourself to FREE treats served up daily at=20= the Messenger Caf=E9. Stop by today! =3D --_71613c08-bef1-42a4-a12b-ea7052cf7f8c_--