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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: A couple of days ago (Tue Mar 11), the high-power French Navy station came back on 21.75 kHz. This time they did not switch frequency, but continued to transmit on 18.3 kHz simultaneously. I wonder if they are using the same antenna for both carriers, which must be quite a challenge in terms of diplexer design and antenna voltage. This might give us a chance to compare diurnal propagation patterns on the two frequencies. [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [205.188.109.203 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (markusvester[at]aol.com) -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -0.0 SPF_PASS SPF: sender matches SPF record 0.0 HTML_MESSAGE BODY: HTML included in message 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 49f0f587e44d6711c57b8a4e950ba850 Subject: VLF: HWU dual frequency? Content-Type: multipart/alternative; boundary="----=_NextPart_000_0008_01CF3EE8.5CFB94C0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.6 required=5.0 tests=HTML_40_50,HTML_MESSAGE, 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 Dies ist eine mehrteilige Nachricht im MIME-Format. ------=_NextPart_000_0008_01CF3EE8.5CFB94C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable A couple of days ago (Tue Mar 11), the high-power French Navy station = came back on 21.75 kHz. This time they did not switch frequency, but = continued to transmit on 18.3 kHz simultaneously. I wonder if they are = using the same antenna for both carriers, which must be quite a = challenge in terms of diplexer design and antenna voltage. This might = give us a chance to compare diurnal propagation patterns on the two = frequencies. 73, Markus (DF6NM) ------=_NextPart_000_0008_01CF3EE8.5CFB94C0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
A couple of days ago (Tue Mar = 11), the=20 high-power French Navy station came back on 21.75 kHz. This time they = did not=20 switch frequency, but continued to transmit on 18.3 kHz=20 simultaneously. I wonder if they are using the same antenna for both = carriers,=20 which must be quite a challenge in terms of diplexer design and antenna = voltage.=20 This might give us a chance to = compare=20 diurnal propagation patterns on the two frequencies.
 
73, Markus=20 (DF6NM)
 
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