Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_MED,SPF_PASS,T_DKIM_INVALID autolearn=ham autolearn_force=no version=3.4.0 X-Spam-DCC: INFN-TO: mailn 1233; Body=2 Fuz1=2 Fuz2=2 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by lipkowski.org (8.14.4/8.14.4/Debian-8+deb8u1) with ESMTP id v4TAO6FY027342 for ; Mon, 29 May 2017 12:24:07 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1dFHlt-00033N-25 for rs_out_1@blacksheep.org; Mon, 29 May 2017 11:19:33 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1dFHls-00033E-Hc for rsgb_lf_group@blacksheep.org; Mon, 29 May 2017 11:19:32 +0100 Received: from porthos.netcom.co.uk ([217.72.171.73]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1dFHlp-0008UV-N4 for rsgb_lf_group@blacksheep.org; Mon, 29 May 2017 11:19:31 +0100 X-DKIM-Result: Domain=abelian.org Result=Signature OK DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=abelian.org ; s=default; h=Content-Type:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Sender:Reply-To:Cc:Content-Transfer-Encoding:Content-ID :Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To: Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe :List-Post:List-Owner:List-Archive; bh=AR5RSnlVXDUrHO4HI1W8EhBgPELnVqAp+NXDpBfqSBU=; b=VabFW6JNGWkte9eZp9ovmrNEgw y/qTeDDvHOPdlwDXPCj9XDpMb5uT2xxiXEivps24mBNoSe+JrFdnMed2X6yDi+dCFcbpAeDMKFXIi 0lvA6G+2op4+to+ysDPN9aNusGA+w/sXOdYQ0A8mNpbZtF3OILren7v5HcSZPGW7bAN8=; Received: from i-194-106-52-83.freedom2surf.net ([194.106.52.83]:45853 helo=pn.abelian.org) by porthos.netcom.co.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1dFHlp-00057U-D5 for rsgb_lf_group@blacksheep.org; Mon, 29 May 2017 11:19:29 +0100 Received: from [127.0.0.1] (localhost [127.0.0.1]) by pn.abelian.org (Postfix) with ESMTP id D6111400025 for ; Mon, 29 May 2017 10:19:28 +0000 (UTC) To: rsgb_lf_group@blacksheep.org References: <0efb6950-4bf2-4c0e-f951-82d9f32356cc@virginbroadband.com.au> <5153ab2e-39ad-3178-3d31-b06dcdf14af5@abelian.org> From: Paul Nicholson Message-ID: Date: Mon, 29 May 2017 10:19:28 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - porthos.netcom.co.uk X-AntiAbuse: Original Domain - blacksheep.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - abelian.org X-Get-Message-Sender-Via: porthos.netcom.co.uk: authenticated_id: catchall@abelian.org X-Authenticated-Sender: porthos.netcom.co.uk: catchall@abelian.org X-Scan-Signature: 896f9ee4f10c5db37812c155e804756d Subject: Re: LF: 82 Hz signal Content-Type: multipart/mixed; boundary="------------D68A9AB5E3E79170D2BA969C" 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: 11814 This is a multi-part message in MIME format. --------------D68A9AB5E3E79170D2BA969C Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit > what do you use for making these long spectrograms? > vtsidgram? For these I use vtnspec to produce the spectrum data, awk assembles it into a data file and gnuplot does the rest with its pm3d map mode. I attach two scripts, one prepares the spectra and the other does the plot. I just alter the T1 and T2 in both scripts to set the time range, and sometimes I remember to alter the set title command to match. -- Paul Nicholson -- --------------D68A9AB5E3E79170D2BA969C Content-Type: text/plain; charset=UTF-8; name="runzevs" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="runzevs" IyEvYmluL2Jhc2gKClQxPWB2dGRhdGUgLWluICcyMDE3LTA1LTI4IDA2OjAwJ2AKVDI9YHZ0 ZGF0ZSAtaW4gJzIwMTctMDUtMjggMjE6MzAnYAoKbWtkaXIgLXAgemV2c20KClQ9JFQxCndo aWxlIFsgJFQgLWxlICRUMiBdCmRvCiAgIFsgISAtcyB6ZXZzbS8kVCBdICYmIHsKICAgICAg dnRkYXRlIC1pcyAkVAogICAgICB2dHJlYWQgLVQkVCwrMW0gL3JhdyB8IHZ0bWl4IC1jIDAu NTU5LDAuODI5LDAgfCB2dG5zcGVjIC1yMTYuNjY2NmUtMyAtYSAtZjgyIC13MyA+IHpldnNt LyRUCiAgIH0KCiAgIFQ9JCgoVCArIDYwKSkKZG9uZQo= --------------D68A9AB5E3E79170D2BA969C Content-Type: text/plain; charset=UTF-8; name="plotzevs" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="plotzevs" IyEvYmluL2Jhc2gKCmNkIHpldnNtCj4gL3Jvb3QvemV2cy5kYXQKCmZvciBUIGluICoKZG8K ICAgYXdrICd7CiAgICAgIHByaW50ZiggIiVkICUuNmYgJS42ZVxuIiwgVCwgJDEsICQyKTsK ICAgfScgVD0kVCA8ICRUID4+IC9yb290L3pldnMuZGF0CgogICBlY2hvID4+IC9yb290L3pl dnMuZGF0CmRvbmUKClQxPWB2dGRhdGUgLWluICcyMDE3LTA1LTI4IDA2OjAwJ2AKVDI9YHZ0 ZGF0ZSAtaW4gJzIwMTctMDUtMjggMjE6MzAnYAoKZWNobyAiCiAgIHNldCB0ZXJtaW5hbCBw bmcgc21hbGwgc2l6ZSAyMDAwLDQwMAogICBzZXQgeWxhYmVsICdGcmVxdWVuY3ksIEh6Jwog ICBzZXQgeGxhYmVsICdVVEMgSEg6TU0nCiAgIHNldCBwYWxldHRlIGNvbG9yIG1heGNvbG9y cyA0MDk2CiAgIHNldCBwbTNkIGF0IGIgaW50ZXJwb2xhdGUgNDUwLDEzNmUtNgogICBzZXQg dmlldyBtYXAKICAgc2V0IHN0eWxlIGRhdGEgcG0zZAogICBzZXQgc3R5bGUgZnVuYyBwbTNk CiAgIHNldCBub2tleQogICBzZXQgeGRhdGEgdGltZQogICBzZXQgdGltZWZtdCAnJXMnCiAg IHNldCBmb3JtYXQgeCAnJUg6JU0nCiAgIHNldCB4dGljcyBib3JkZXIgbWlycm9yIG91dCAx ODAwCiAgIHNldCB4cmFuZ2UgWyckVDEnOickVDInXQogICBzZXQgeXJhbmdlIFs4MC41Ojgz LjVdCiAgIHNldCB4dGljcyAxODAwCiAgIHNldCBteHRpY3MgNgogICBzZXQgeXRpY3MgYm9y ZGVyIG1pcnJvciBvdXQgMC4yCiAgIHNldCBjYmxhYmVsICdSZWxhdGl2ZSBwb3dlcicKICAg ICAgICAKICAgc2V0IHRpdGxlICdUb2Rtb3JkZW4gSC1maWVsZCAyMDE3LTA1LTI2IDgySHou IEJlYXJpbmcgMzQgZGVnLiBSZWxhdGl2ZSBwb3dlciBpbiAxNi42bUh6LiAgU2FtcGxlIHdp ZHRoIDYwIHNlY3MsIHN0ZXBwaW5nIDYwIHNlY3MnCiAgIHNwbG90ICcvcm9vdC96ZXZzLmRh dCcgdXNpbmcgMToyOihcJDMgKiBcJDMgKiAxZTkpCiAgICAgICAgICIgfCBnbnVwbG90ID4g L3Jvb3QvemV2cy5wbmcKCg== --------------D68A9AB5E3E79170D2BA969C--