Return-Path: Received: from mtain-dk04.r1000.mx.aol.com (mtain-dk04.r1000.mx.aol.com [172.29.180.8]) by air-ma04.mail.aol.com (v129.4) with ESMTP id MAILINMA044-b5234d1a5fcf192; Tue, 28 Dec 2010 17:08:15 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dk04.r1000.mx.aol.com (Internet Inbound) with ESMTP id 51EE33800008D; Tue, 28 Dec 2010 17:08:14 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PXhhN-0006Dl-B2 for rs_out_1@blacksheep.org; Tue, 28 Dec 2010 22:07:17 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PXhhM-0006Dc-Qu for rsgb_lf_group@blacksheep.org; Tue, 28 Dec 2010 22:07:16 +0000 Received: from smtp6.freeserve.com ([193.252.22.190]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PXhhK-0003Ef-Hp for rsgb_lf_group@blacksheep.org; Tue, 28 Dec 2010 22:07:16 +0000 Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3601.me.freeserve.com (SMTP Server) with ESMTP id EBB5A700008C for ; Tue, 28 Dec 2010 23:07:08 +0100 (CET) Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3601.me.freeserve.com (SMTP Server) with ESMTP id DF7AE700008D for ; Tue, 28 Dec 2010 23:07:08 +0100 (CET) Received: from AGB (unknown [91.109.44.48]) by mwinf3601.me.freeserve.com (SMTP Server) with SMTP id A917E700008C for ; Tue, 28 Dec 2010 23:07:08 +0100 (CET) X-ME-UUID: 20101228220708692.A917E700008C@mwinf3601.me.freeserve.com Message-ID: <7C2A014D163B46FABEC67D555164D681@AGB> From: "Graham" To: References: <101B609FB6D54B6D9FF4102ED3E158BE@AGB><004001cba6bf$c6c9cf30$6d01a8c0@DELL4> In-Reply-To: Date: Tue, 28 Dec 2010 22:07:08 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8089.726 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8089.726 X-Antivirus: avast! (VPS 101228-1, 28/12/2010), Outbound message X-Antivirus-Status: Clean X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: 160 to 190 KHz a real magic band ? Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.1 required=5.0 tests=MISSING_OUTLOOK_NAME 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-sid: 3039ac1db4084d1a5fcd3c47 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Ok Warren Interesting , see who will be the first mille gallon over the pond .. (Imperial gallon of course) G .. -------------------------------------------------- From: "Warren Ziegler" Sent: Tuesday, December 28, 2010 9:40 PM To: Subject: Re: LF: 160 to 190 KHz a real magic band ? > > Graham, > > John and Jay summed it up very nicely. > I'd add that my 160-190 kHz license (WE2XEB) is for cw, ssb and > digital modes - experimental licenses have no set limits, its all what > you can justify and get approved by the FCC. > Part 15 deals mainly with incidental radiators - i.e. switching power > supplies, industrial and consumer equipment which use radio > frequencies but are not intended to radiate. The 160-190 kHz > experimenter band is a nice add-in to those rules. > > Note that Jay has a very rf quiet location, I don't think I could > receive many of the long distance 1W stations that Jay does! > > 73 Warren K2ORS > > > On Tue, Dec 28, 2010 at 1:48 PM, wrote: >> Graham >> >> Long distance skywave reception of 1-watt Part 5 stations isn't that >> unusual >> during the winter months. While the reception of Andy's WSPR signal at >> 1200 >> km looks like somewhat of a feat ... it really wasn't. When Andy runs >> 'XR' >> in QRSS30 his signal is 'welding goggle' (bright) copy at my location for >> most of the night. Other distant stations routinely copied here are 'SIW' >> in >> Illinois at 1200 miles and 'WEB' in Texas at 2300 km and these are all >> over >> land paths. Propagation does seem to favor N-S rather than E-W >> directions. >> >> Jay W1VD WD2XNS WE2XGR/2 >> >> >> ----- Original Message ----- From: "Graham" >> To: >> Sent: Tuesday, December 28, 2010 12:23 PM >> Subject: Re: LF: 160 to 190 KHz a real magic band ? >> >> >>> 1/4 KW ? >>> >>> Andy is talking about 1 watt dc feed to the PA and a short Ae >>> , >>> I thought 2000 kmt was good going for 1 watt >>> >>> is it the same band ? >>> >>> G.. >>> >>> -------------------------------------------------- >>> From: "Warren Ziegler" >>> Sent: Tuesday, December 28, 2010 5:08 PM >>> To: >>> Subject: Re: LF: 160 to 190 KHz a real magic band ? >>> >>>> >>>> I occasionally put a beacon on the 180 kHz band with 250 Watts out and >>>> have been copied in France and the Netherlands during the time each >>>> night that Europe 1 is off. >>>> No magic, about the same results as 137kHz except that 137 is quieter. >>>> >>>> >>>> -- >>>> 73 Warren K2ORS >>>> WD2XGJ >>>> WD2XSH/23 >>>> WE2XEB/2 >>>> WE2XGR/1 >>>> >>>> On Tue, Dec 28, 2010 at 11:40 AM, Gary - G4WGT >>>> wrote: >>>>> >>>>> Graham, >>>>> Have a listen after dark, I seem to remember it was quite horrendous >>>>> last >>>>> time I looked at that part of the spectrum. I will have another listen >>>>> tonight. I think the EU chaps wait until Europe1 has stopped Txing. >>>>> Here >>>>> is >>>>> one frequency I know of, extract from Joe's e-mail. >>>>> VO1NA, 184.509.3kHz >>>>> TX about 5 watts 0.4 amps to 100m wire at 15 m high. >>>>> 73, >>>>> Gary - G4WGT - IO83qo. >>>>> LF MF Grabber - Web Site - Blogspot - 9kHz Grabber >>>>> >>>>> >>>>> >>>>> On 28 December 2010 16:22, Graham wrote: >>>>>> >>>>>> Ok Gary, >>>>>> >>>>>> Seems to be some quite big gaps in that spectrum , big enough >>>>>> for >>>>>> a cw filter and wspr signal to sit with no splash ? >>>>>> >>>>>> G >>>>>> >>>>>> Nb looks like someone has the spam filter -mal-adjusted- ? >>>>>> >>>>>> ----- Original Message ----- >>>>>> From: Gary - G4WGT >>>>>> To: rsgb_lf_group@blacksheep.org >>>>>> Sent: Tuesday, December 28, 2010 2:54 PM >>>>>> Subject: Re: LF: 160 to 190 KHz a real magic band ? >>>>>> Graham, >>>>>> I have occasionally read mails on LF regarding U.S. 184kHz qrs >>>>>> beacons >>>>>> & >>>>>> captures from Europe. Apparently there is a very powerful broadcast >>>>>> station >>>>>> in Europe on a near frequency which causes high qrm when on, I >>>>>> believe >>>>>> it is >>>>>> "Europe1" >>>>>> Gary - G4WGT. >>>>>> >>>>>> On 28 December 2010 12:16, Graham wrote: >>>>>>> >>>>>>> Lifted from the WSPR web site http://wsprnet.org/drupal/ >>>>>>> >>>>>>> 1 watt and 15 mtrs of antenna ,decoding over 1148 kmtrs , >>>>>>> (best >>>>>>> round 2000k) seems to make the 137 attempts look a little >>>>>>> 'coy >>>>>>> with >>>>>>> somewhat bigger power levels and rather large arrays , (possibly >>>>>>> mal-adjusted ?) >>>>>>> >>>>>>> Is this a band like 500 with enhanced propagation ? >>>>>>> >>>>>>> WHAT IS THE POSSIBILITY OF A TA DECODE ? >>>>>>> >>>>>>> The frequency range is 160 to 190 KHz. This is most commonly known >>>>>>> as >>>>>>> Part-15 operation ( under our FCC Part-15 rules ). The basics: Power >>>>>>> is >>>>>>> limited to 1 Watt DC Input to the Final amplifier, and the antenna >>>>>>> length >>>>>>> cannot exceed 15 meters, including the feed line, >>>>>>> >>>>>>> (XR4TN is the experimental call of KU4XR) >>>>>>> >>>>>>> 2010-12-10 11:16 XR4TN 0.185701 -27 0 EM75xr +30 1.000 W1VD FN31is >>>>>>> 1148 >>>>>>> G.. >>>>>>> >>>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>> >>>> >>> >>> >>> >> >> >> > > > > -- > 73 Warren K2ORS > WD2XGJ > WD2XSH/23 > WE2XEB/2 > WE2XGR/1 > >