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[129.206.22.206]) by mx.google.com with ESMTPSA id f6sm65419151wiy.19.2014.06.26.05.33.14 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 26 Jun 2014 05:33:15 -0700 (PDT) From: DK7FC <73dk7fc@googlemail.com> X-Google-Original-From: DK7FC <73dk7fc@gmail.com> Message-ID: <53AC1307.9030109@gmail.com> Date: Thu, 26 Jun 2014 14:33:11 +0200 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: , <3E2191D6995647D48932529876C7636C@gnat> <53AC1579.29762.C84E42@mike.dennison.ntlworld.com> In-Reply-To: <53AC1579.29762.C84E42@mike.dennison.ntlworld.com> X-Spam-Score: -0.7 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Hello Mike, Am 26.06.2014 13:43, schrieb Mike Dennison: > Personally, I have been disappointed by the amount of DX received > during darkness hours on 472kHz so far. It seems commonplace > to receive stations out to Scandinavia and Italy, but little beyond. > Yes, I have seen some transatlantic DX but nothing to match > the stories of worldwide openings reported by retired marine 500kHz > operators, or indeed what is availalable routinely on 160m. Is this > just lack of activity? > [...] Content analysis details: (-0.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [74.125.82.171 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (73dk7fc[at]googlemail.com) -0.0 SPF_PASS SPF: sender matches SPF record 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: e09cca6d8e44a91eadbdfb3e1b8aec09 Subject: Re: LF: RE: Summer Solstice Test report Content-Type: text/plain; charset=ISO-8859-1; format=flowed 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=0.3 required=5.0 tests=FROM_HAS_MIXED_NUMS 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 Hello Mike, Am 26.06.2014 13:43, schrieb Mike Dennison: > Personally, I have been disappointed by the amount of DX received > during darkness hours on 472kHz so far. It seems commonplace > to receive stations out to Scandinavia and Italy, but little beyond. > Yes, I have seen some transatlantic DX but nothing to match > the stories of worldwide openings reported by retired marine 500kHz > operators, or indeed what is availalable routinely on 160m. Is this > just lack of activity? > It is lack of RF power for many stations! Furthermore there is a big difference between 2200m and 630m regarding propagation above sea water and above land. There have been just a few WSPR decodes on 630m by russian RX stations while they are getting very good results on 2200m. That explaines the advantage of living near the sea. In other words, it should be relatively "easy" to get some TA detections by stations living near the sea, however it is much harder to get the same results when living a few 100 km distant from the sea... 73, Stefan