Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dd05.r1000.mx.aol.com (Internet Inbound) with ESMTP id CC6D338000086; Sun, 29 Jan 2012 20:30:21 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Rrg3Y-00060P-Ut for rs_out_1@blacksheep.org; Mon, 30 Jan 2012 01:29:16 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Rrg3Y-00060G-GG for rsgb_lf_group@blacksheep.org; Mon, 30 Jan 2012 01:29:16 +0000 Received: from mail16.primus.ca ([216.254.141.183] helo=mail-06.primus.ca) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Rrg3W-0008UW-3w for rsgb_lf_group@blacksheep.org; Mon, 30 Jan 2012 01:29:16 +0000 Received: from dyn-dsl-bb-76-75-67-82.nrtco.net ([76.75.67.82] helo=Bigmachine.magma.ca) by mail-06.primus.ca with esmtpa (Exim 4.72) (envelope-from ) id 1Rrg3U-0001i7-28 for rsgb_lf_group@blacksheep.org; Sun, 29 Jan 2012 20:29:12 -0500 X-Mailer: QUALCOMM Windows Eudora Version 7.1.0.9 Date: Sun, 29 Jan 2012 20:29:42 -0500 To: rsgb_lf_group@blacksheep.org From: Bill de Carle In-Reply-To: <4F25DA96.3080607@iup.uni-heidelberg.de> References: <4F246297.4020304@charter.net> <50DDDC5E26754BC284D529DCB4A1C2C3@White> <4F258CB5.2090105@charter.net> <4F25DA96.3080607@iup.uni-heidelberg.de> Mime-Version: 1.0 X-Authenticated: ve2iq - dyn-dsl-bb-76-75-67-82.nrtco.net (Bigmachine.magma.ca) [76.75.67.82] X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Message-Id: Subject: Re: VLF: WOLF?? Content-Type: text/plain; charset="us-ascii"; format=flowed 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=none 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: 0:2:481646016:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d40914f25f2ad2506 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Stefan: If you want to try an audio WOLF-10 file on 8970 Hz here is a .wav file recorded at 24000 samples per second. You can run it into your Tx (using a dummy load of course :-) and see what the sidebands look like. Wonder if anyone (Andy?) can decode it? How many dB down do you have to be at 9 Khz? Get the file here (only about 27 Kb zipped): http://www.magma.ca/~ve2iq/wolfsamp.zip 73, Bill VE2IQ At 06:47 PM 1/29/2012, Stefan DK7FC wrote: >Hmmmmmmmmmmmm, so what about a WOLF VLF test? Can the program easily >be configured to transmit at 8970 Hz? I.e. does it generate a tone >at that frequency? Please confirm that no linear mode PA is needed. >Wolf 10, means 10 Hz bandwidth? Sorry for the basic questions, i >could read the manual but its like reading readme files ;-) >Starting with local tests should show the limits and chances. >DD7PC who is in 77 km to my fixed location gave a WOLF report today, >so maybe... >And if OK2BVG can reveive my DFCW-3 from the 300m kite, it may be >worth to spend some time for a WOLF. >I could ask Michael Oexner first. He is just 45 km distant...