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[129.206.22.206]) by smtp.gmail.com with ESMTPSA id 36sm1810413wrk.15.2017.03.22.06.15.15 for (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 22 Mar 2017 06:15:15 -0700 (PDT) From: DK7FC <73dk7fc@googlemail.com> X-Google-Original-From: DK7FC <73dk7fc@gmail.com> Message-ID: <58D278E2.4070300@gmail.com> Date: Wed, 22 Mar 2017 14:15:14 +0100 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: <15ab5924c85-6837-1eec0@webprd-a101.mail.aol.com> <6f50fc19-4302-204c-d14f-deb705f76601@freenet.de> <58C2E24C.6020409@posteo.de> <58C7E621.3000906@posteo.de> <8a2c82ce-ba0a-de45-25d5-1c155165b3ed@psk31.plus.com> <0d073f34-795a-628d-db68-77f5e7336eea@abelian.org> <61c49d39-3794-ba91-0057-c9606788471a@abelian.org> <51c13f4c-b432-e967-2a38-971b265e5eb0@abelian.org> <5fae97ad-9e53-467b-2655-8f3967a1304b@abelian.org> <58D23E73.7090201@gmail.com> <9940b1f3-2fdb-01df-6c41-463a63d3119a@abelian.org> In-Reply-To: <9940b1f3-2fdb-01df-6c41-463a63d3119a@abelian.org> X-Scan-Signature: 33d261536bb1467bb13d5764461d5ec4 Subject: Re: ULF: New carrier near 2970 Hz... Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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 X-Scanned-By: MIMEDefang 2.75 Status: RO X-Status: X-Keywords: X-UID: 10981 Hi Paul, Interesting. Do you also use the noise normalisation function which proved to be useful in recent stackings on 5170 Hz? Still a few weeks before the 6 channel input soundcard for the Raspi appears... 73, Stefan Am 22.03.2017 11:25, schrieb Paul Nicholson: > > Stefan wrote: > > > Isn't it extremely unlikely that this is something > > elso than my signal?? > > Well I don't know. It would be an extraordinary achievement > for your 2970 signal to reach this far. It needs a result > that can stand up to scrutiny. I'd like to do some more > work with it to get an unequivocal detection at 5 sigma. > > > I'm going to run the carrier another few days, at least > > until friday, > > A few more days signal will help. Adding 21st didn't > improve the peak, nor did the blanker settings I left > running last night. > > For these runs I am blanking each antenna channel > independently, then mixing and phasing. Usually I do > the mixing first and blank the composite signal. > While one channel is blanked and another isn't, the > mix is wrong. That ought to be worse than blanking > after the mix. With less than 5% blanking factor it > might not be much of an issue either way. > > I can also look again at your previous 2970 tests, > stacking the same 14:00 to 19:00 window. > > -- > Paul Nicholson > -- >