Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dh04.r1000.mx.aol.com (Internet Inbound) with ESMTP id 260F33800050B; Fri, 9 Sep 2011 08:35:01 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1R20H1-00082C-1Z for rs_out_1@blacksheep.org; Fri, 09 Sep 2011 13:33:35 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1R20H0-000823-K5 for rsgb_lf_group@blacksheep.org; Fri, 09 Sep 2011 13:33:34 +0100 Received: from mail.foreach.it ([213.254.15.250] helo=for01.foreach.it) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from <ik1odo@spin-it.com>) id 1R20Gx-0002ae-QL for rsgb_lf_group@blacksheep.org; Fri, 09 Sep 2011 13:33:34 +0100 Received: by for01.foreach.it (Postfix, from userid 65534) id C916B281527; Fri, 9 Sep 2011 14:33:29 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by for01.foreach.it (Postfix) with ESMTP id 42F5228140F for <rsgb_lf_group@blacksheep.org>; Fri, 9 Sep 2011 14:33:29 +0200 (CEST) X-Virus-Scanned: amavisd-new at ebirds.it Received: from for01.foreach.it ([127.0.0.1]) by localhost (for01.foreach.it [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id hvhKWJhXH+5r for <rsgb_lf_group@blacksheep.org>; Fri, 9 Sep 2011 14:33:29 +0200 (CEST) Received: from imac2 (host185-41-static.24-87-b.business.telecomitalia.it [87.24.41.185]) by for01.foreach.it (Postfix) with ESMTP id F34002813F6 for <rsgb_lf_group@blacksheep.org>; Fri, 9 Sep 2011 14:33:28 +0200 (CEST) X-Mailer: QUALCOMM Windows Eudora Version 7.1.0.9 Date: Fri, 09 Sep 2011 14:33:27 +0200 To: rsgb_lf_group@blacksheep.org From: Marco IK1ODO -2 <ik1odo@spin-it.com> In-Reply-To: <C0FBE2114B7E4639B26AA310B49F98EC@gmc.net> References: <C0FBE2114B7E4639B26AA310B49F98EC@gmc.net> Mime-Version: 1.0 Message-Id: <20110909123329.42F5228140F@for01.foreach.it> X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: LF: Mystery VLF-MF RX Content-Type: multipart/alternative; boundary="=====================_174522781==.ALT" 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=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-global-disposition: G X-AOL-SCOLL-SCORE: 0:2:291167104:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d41184e6a07f5719a X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none --=====================_174522781==.ALT Content-Type: text/plain; charset="us-ascii"; format=flowed At 13:11 09-09-11, you wrote: >Hello all, > >Did anyone hear about this RX:? ><http://www.radiomuseum.org/r/hrb_hw1390a.html>http://www.radiomuseum.org/r/hrb_hw1390a.html > >I found this item available on eBay as well: ><http://www.ebay.de/itm/HRB-Systens-HW1390A-Extremely-Professional-built-SLF-ULF-ELF-VLF-LF-MF-Receiver-/250889327409?pt=DE_TV_Video_Elektronik_Funkger%C3%A4te&hash=item3a6a2b5331>http://www.ebay.de/itm/HRB-Systens-HW1390A-Extremely-Professional-built-SLF-ULF-ELF-VLF-LF-MF-Receiver-/250889327409?pt=DE_TV_Video_Elektronik_Funkger%C3%A4te&hash=item3a6a2b5331 > >In vain I searched (briefly) for a web of the manufacturer. > >(yes, it is expensive, yes, we can make RX ourselves...) > >73, Petr, OK1FIG Seems to me a little outpriced, if not as a collector part. At the same price you get a Perseus or other SDR receivers, covering from kHz to 30 MHz, with a completely different performance. Receiver technology has advanced a little in last 5 years ... said by an HF receiver collector (I have about 30 different models) and appassionate tester (I mean, I like to measure them). On this matter, have a look at the work of SM5BSZ Leif on receiver AGC performance in <http://www.sm5bsz.com/lir/agc/agc.htm>http://www.sm5bsz.com/lir/agc/agc.htm 73 - Marco IK1ODO --=====================_174522781==.ALT Content-Type: text/html; charset="us-ascii" <html> <body> At 13:11 09-09-11, you wrote:<br> <blockquote type=cite class=cite cite="">Hello all,<br> <br> Did anyone hear about this RX:?<br> <a href="http://www.radiomuseum.org/r/hrb_hw1390a.html"> http://www.radiomuseum.org/r/hrb_hw1390a.html</a><br> <br> I found this item available on eBay as well:<br> <a href="http://www.ebay.de/itm/HRB-Systens-HW1390A-Extremely-Professional-built-SLF-ULF-ELF-VLF-LF-MF-Receiver-/250889327409?pt=DE_TV_Video_Elektronik_Funkger%C3%A4te&hash=item3a6a2b5331"> http://www.ebay.de/itm/HRB-Systens-HW1390A-Extremely-Professional-built-SLF-ULF-ELF-VLF-LF-MF-Receiver-/250889327409?pt=DE_TV_Video_Elektronik_Funkger%C3%A4te&hash=item3a6a2b5331</a> <br> <br> In vain I searched (briefly) for a web of the manufacturer.<br> <br> (yes, it is expensive, yes, we can make RX ourselves...)<br> <br> 73, Petr, OK1FIG</blockquote><br><br> Seems to me a little outpriced, if not as a collector part. At the same price you get a Perseus or other SDR receivers, covering from kHz to 30 MHz, with a completely different performance.<br> Receiver technology has advanced a little in last 5 years ... said by an HF receiver collector (I have about 30 different models) and appassionate tester (I mean, I like to measure them).<br><br> On this matter, have a look at the work of SM5BSZ Leif on receiver AGC performance in <a href="http://www.sm5bsz.com/lir/agc/agc.htm"> http://www.sm5bsz.com/lir/agc/agc.htm</a><br><br> 73 - Marco IK1ODO<br> </body> </html> --=====================_174522781==.ALT--