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[129.206.22.206]) by mx.google.com with ESMTPSA id q2sm25776021wix.5.2014.05.29.06.28.09 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 29 May 2014 06:28:10 -0700 (PDT) From: DK7FC <73dk7fc@googlemail.com> X-Google-Original-From: DK7FC <73dk7fc@gmail.com> Message-ID: <538735E9.8080309@gmail.com> Date: Thu, 29 May 2014 15:28:09 +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: <3aus82kygodvhbmtvch78dsa.1401357615521@email.android.com> <53871547.5080506@gmail.com> <5387266B.3050809@kpnmail.nl> In-Reply-To: <5387266B.3050809@kpnmail.nl> 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: Hi Jan, Am 29.05.2014 14:22, schrieb pa3abk: > Seems you are very young at age :-) No, i became 38 some days ago... > > Earlier users were forced to use MCW on the calling freq in order to > be heard by those stations who were not yet equipped with the "new" > technology to receive A1 transmissions. > Some shiptransmitters used their generator frequency raw rectified, > which produced a 1kHz full modulated transmission. Aah, that's a good idea! ;-) [...] 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 [74.125.82.180 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: 739d4fb39bd02fc5a2de5437a39bb056 Subject: Re: LF: 472 tonight 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 Hi Jan, Am 29.05.2014 14:22, schrieb pa3abk: > Seems you are very young at age :-) No, i became 38 some days ago... > > Earlier users were forced to use MCW on the calling freq in order to > be heard by those stations who were not yet equipped with the "new" > technology to receive A1 transmissions. > Some shiptransmitters used their generator frequency raw rectified, > which produced a 1kHz full modulated transmission. Aah, that's a good idea! ;-) > An early version of a switch mode modulator as we know now. > In those days most vessels had only DC available a generator was > necessary to power the radiostation "at high voltage". > Emergency calls had to be made in this mode. The Autoalarm only > reacted on this mode. Particular in high static regions this was an > advantage. > > Just like your chirpy mode, it is was quite distinctive for the human > ear within statics. > > http://en.wikipedia.org/wiki/Modulated_continuous_wave Thanks for the informations. 73, Stefan > > DK7FC wrote On 29-5-2014 13:08: >> MCW ??? >> What is that? >> 73 > >