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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: Stefan, Thank you for your findings on 630m SNR vs. time during magnetic disturbance onset. The resolution of your data and your narrative details highlight fascinating characteristics. 73, [...] Content analysis details: (-0.5 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [76.96.30.48 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (hvanesce[at]comcast.net) -0.0 SPF_PASS SPF: sender matches SPF record -0.5 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 046f068074e745d5c60ca47deee9b503 Subject: LF: RE: Open MF T/A path during the night Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none 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 Status: O X-Status: X-Keywords: X-UID: 770 Stefan, Thank you for your findings on 630m SNR vs. time during magnetic = disturbance onset. The resolution of your data and your narrative details highlight fascinating characteristics. 73, Jim AA5BW -----Original Message----- From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Stefan = Sch=E4fer Sent: Thursday, October 31, 2013 9:42 AM To: rsgb_lf_group@blacksheep.org; dave.riley3@verizon.net Subject: LF: Open MF T/A path during the night MF, Very interesting, while the DST stuff (http://lasp.colorado.edu/space_weather/dsttemerin/dsttemerin.html) peaked down to -50nT and LF was nearly dead, there was an open path on = MF between DL and the US west coast. Often we can find a quite small = opening window on 630m for TA contacts, sometimes just 10 minutes or so, during sunset in the US. However last night the window was open until 6 UTC and then closed instantly. I took the chance and sent WSPR-2 in 33% mode and = got a nice set of data for the attached SNR plot. BTW congrats to the other stations for the good results! 73, Stefan/DK7FC