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[129.206.22.206]) by mx.google.com with ESMTPSA id o7sm34756242eew.25.2014.05.18.07.01.10 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sun, 18 May 2014 07:01:11 -0700 (PDT) X-Google-Original-From: DK7FC <73dk7fc@gmail.com> Message-ID: <5378BD26.20500@gmail.com> Date: Sun, 18 May 2014 16:01:10 +0200 From: DK7FC <73dk7fc@googlemail.com> 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: <536F1A51.3060806@abelian.org> <078901cf6d1b$4179a730$c46cf590$@comcast.net> <5370FABB.8020500@abelian.org> <53711C3E.4040207@gmail.com> <53724676.20309@abelian.org> <5378AC0C.20704@abelian.org> In-Reply-To: <5378AC0C.20704@abelian.org> 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: Paul, Am 18.05.2014 14:48, schrieb Paul Nicholson: > This is possibly the strongest forward error correction code > ever transmitted by a radio amateur. In combination with > coherent signalling and Viterbi list decoding, a circa 10uW > ERP signal is decoded with 95% reliability at a range of over > 1000km and achieves 85% of the Shannon capacity. [...] 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 [74.125.83.43 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: 925300287489a1d7272e62b121c112aa Subject: Re: VLF: Coherent BPSK at 8270 from DF6NM 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 Paul, Am 18.05.2014 14:48, schrieb Paul Nicholson: > This is possibly the strongest forward error correction code > ever transmitted by a radio amateur. In combination with > coherent signalling and Viterbi list decoding, a circa 10uW > ERP signal is decoded with 95% reliability at a range of over > 1000km and achieves 85% of the Shannon capacity. Does this suggest that a 100 uW signal can make it over the pond?? 73, Stefan