PDS_VERSION_ID = PDS3 RECORD_TYPE = STREAM OBJECT = TEXT PUBLICATION_DATE = 2007-07-31 NOTE = " E-mail and other messages concerning MGS Radio Science on or about 2006/037." END_OBJECT = TEXT END From sami.asmar@jpl.nasa.gov Mon Feb 6 09:50:21 2006 Return-Path: Received: from nmta2.jpl.nasa.gov (nmta2.jpl.nasa.gov [137.78.160.215]) by magellan.stanford.edu (8.11.7p1+Sun/8.11.7) with ESMTP id k16HoLF00926 for ; Mon, 6 Feb 2006 09:50:21 -0800 (PST) Received: from xmta2.jpl.nasa.gov (xmta2.jpl.nasa.gov [137.78.160.56]) by nmta2.jpl.nasa.gov (Switch-3.1.7/Switch-3.1.7) with ESMTP id k16HoLT7026181 for ; Mon, 6 Feb 2006 09:50:21 -0800 Received: from SAMI.jpl.nasa.gov (sami.jpl.nasa.gov [137.78.84.97]) by xmta2.jpl.nasa.gov (Switch-3.1.7/Switch-3.1.7) with ESMTP id k16HoGnM027209 for ; Mon, 6 Feb 2006 09:50:21 -0800 Message-Id: <6.2.1.2.2.20060206094944.02cfe7e0@mail.jpl.nasa.gov> X-Mailer: QUALCOMM Windows Eudora Version 6.2.1.2 Date: Mon, 06 Feb 2006 09:50:14 -0800 To: rsimpson@magellan.stanford.edu From: Sami Asmar Subject: 120Hz Spurs Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed X-Source-IP: sami.jpl.nasa.gov [137.78.84.97] X-Source-Sender: sami.asmar@jpl.nasa.gov X-AUTH: Internal IP Content-Length: 2069 Status: RO >Date: Mon, 06 Feb 2006 14:58:14 +1100 >From: "Piechowski, Kevin J" >Subject: RE: MGS RST Rpt HEAG031A.TXT & 120Hz Spurs >To: "Klose, John" >Cc: "Kahan, Daniel S" , > Cassini Radio Science Ops , > "Hampton, Sherill" , > "Asmar, Sami W" , > "Kruzins, Ed" > >John > >G'day. Hows it going. I finally managed to get some time on DSS43 by >bumping a VGR2 track onto DSS45. > >We have had another 15V power supply fail in the RS/VLBI Downconverter Power >Supply Assy. This is the second P/S of this type to fail in three months. >This was the same problem we had on DSS45 previously. > >This should now rectify this problem. Please let me know if the Radio >Science crew are seeing any anomalies still. > >Regards > >KJP > >-----Original Message----- >From: Klose, John >Sent: Wednesday, 1 February 2006 6:32 AM >To: Piechowski, Kevin J >Cc: Kahan, Daniel S; Cassini Radio Science Ops; Hampton, Sherill; Asmar, >Sami W >Subject: FW: MGS RST Rpt HEAG031A.TXT & 120Hz Spurs > >G'Day Kevin; >Last week I got a call from Danny Kahan in the RSR Remote Ops group, >indicating that there were 120Hz spurs in the MGS data. >I spoke with Phil Pope and R. Quick about the problem and they were unable >to identify any specific culprit. Could you have a look at the X-band feed >system at 43 to verify it is ok. >Also perhaps you could take a look at the power supply on the Downconverter >to see if is properly working. The power supply problem was seen at dss45, >and caused 120Hz spurs like the ones we are seeing now. > >I have attached an FFT from Stanford from the data collected last week. > >Hope all is well Canberra. > >Regards, > >-John C. Klose V > >DSN O&M Program, Network Engineering >Software Operations Engineer: >Radio Science, SPT, BVE, and 34M/70M UPL >Tel: (626) 305-6127 >Pgr: (626) 491-0044 >jklose@jftl.jpl.nasa.gov >john.c.klose@jpl.nasa.gov -------------------------------------------------------------------------- From aseel@airmail.fltops.jpl.nasa.gov Wed Feb 8 10:00:07 2006 Received: from leland4.Stanford.EDU (leland4.Stanford.EDU [171.67.12.80]) by magellan.stanford.edu (8.11.7p1+Sun/8.11.7) with ESMTP id k18I07F10570 for ; Wed, 8 Feb 2006 10:00:07 -0800 (PST) Received: from airmail.fltops.jpl.nasa.gov (airmail2.fltops.jpl.nasa.gov [137.228.96.27]) by leland4.Stanford.EDU (8.12.11/8.12.11) with ESMTP id k18I01u7020686; Wed, 8 Feb 2006 10:00:05 -0800 Received: from rsops2.fltops.jpl.nasa.gov (rsops2.fltops.jpl.nasa.gov [137.228.136.22]) by airmail.fltops.jpl.nasa.gov (Postfix) with ESMTP id DCF6910912; Wed, 8 Feb 2006 10:09:57 -0800 (PST) Received: from rsops2.fltops.jpl.nasa.gov (localhost [127.0.0.1]) by rsops2.fltops.jpl.nasa.gov (8.12.10+Sun/8.12.8) with ESMTP id k18I00PC001145; Wed, 8 Feb 2006 18:00:00 GMT Received: (from aseel@localhost) by rsops2.fltops.jpl.nasa.gov (8.12.10+Sun/8.12.8/Submit) id k18I0012001144; Wed, 8 Feb 2006 18:00:00 GMT Date: Wed, 8 Feb 2006 18:00:00 GMT From: aseel anabtawi Message-Id: <200602081800.k18I0012001144@rsops2.fltops.jpl.nasa.gov> Content-Type: text To: undisclosed-recipients:; DSS: 15 RSR: RSR1A Subchannel: 1 Orbit Number: 30899 Occultation Sense: e SOE: mm468b.45.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/036-21:26:00 End Record: 2006/036-21:38:00 DSS: 15 RSR: RSR1A Subchannel: 1 Orbit Number: 30900 Occultation Sense: e SOE: mm468b.45.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/036-23:24:00 End Record: 2006/036-23:35:00 DSS: 15 RSR: RSR1A Subchannel: 1 Orbit Number: 30901 Occultation Sense: e SOE: mm468b.45.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/037-01:22:00 End Record: 2006/037-01:33:00 DSS: 15 RSR: RSR1A Subchannel: 1 Orbit Number: 30902 Occultation Sense: e SOE: mm468b.45.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/037-03:19:00 End Record: 2006/037-03:31:00 DSS: 15 RSR: RSR1A Subchannel: 1 Orbit Number: 30903 Occultation Sense: e SOE: mm468b.45.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/037-05:17:00 End Record: 2006/037-05:29:00 DSS: 15 RSR: RSR1A Subchannel: 1 Orbit Number: 30904 Occultation Sense: e SOE: mm468b.45.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/037-07:15:00 End Record: 2006/037-07:26:00 -------------------------------------------------------------------------- From aseel@airmail.fltops.jpl.nasa.gov Wed Feb 8 10:02:02 2006 Received: from leland4.Stanford.EDU (leland4.Stanford.EDU [171.67.12.80]) by magellan.stanford.edu (8.11.7p1+Sun/8.11.7) with ESMTP id k18I22F10605 for ; Wed, 8 Feb 2006 10:02:02 -0800 (PST) Received: from airmail.fltops.jpl.nasa.gov (airmail2.fltops.jpl.nasa.gov [137.228.96.27]) by leland4.Stanford.EDU (8.12.11/8.12.11) with ESMTP id k18I21xi021802; Wed, 8 Feb 2006 10:02:01 -0800 Received: from rsops2.fltops.jpl.nasa.gov (rsops2.fltops.jpl.nasa.gov [137.228.136.22]) by airmail.fltops.jpl.nasa.gov (Postfix) with ESMTP id 1E50D10912; Wed, 8 Feb 2006 10:11:58 -0800 (PST) Received: from rsops2.fltops.jpl.nasa.gov (localhost [127.0.0.1]) by rsops2.fltops.jpl.nasa.gov (8.12.10+Sun/8.12.8) with ESMTP id k18I21PC001254; Wed, 8 Feb 2006 18:02:01 GMT Received: (from aseel@localhost) by rsops2.fltops.jpl.nasa.gov (8.12.10+Sun/8.12.8/Submit) id k18I21Rp001253; Wed, 8 Feb 2006 18:02:01 GMT Date: Wed, 8 Feb 2006 18:02:01 GMT From: aseel anabtawi Message-Id: <200602081802.k18I21Rp001253@rsops2.fltops.jpl.nasa.gov> Content-Type: text To: undisclosed-recipients:; DSS: 55 RSR: RSR1A Subchannel: 1 Orbit Number: 30908 Occultation Sense: e SOE: mm468b.45.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/037-15:06:00 End Record: 2006/037-15:17:00 DSS: 55 RSR: RSR1A Subchannel: 1 Orbit Number: 30909 Occultation Sense: e SOE: mm468b.45.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/037-17:04:00 End Record: 2006/037-17:15:00 DSS: 55 RSR: RSR1A Subchannel: 1 Orbit Number: 30910 Occultation Sense: e SOE: mm468b.45.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/037-19:01:00 End Record: 2006/037-19:13:00 DSS: 55 RSR: RSR1A Subchannel: 1 Orbit Number: 30911 Occultation Sense: e SOE: mm468b.45.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/037-20:59:00 End Record: 2006/037-21:11:00 DSS: 55 RSR: RSR1A Subchannel: 1 Orbit Number: 30912 Occultation Sense: e SOE: mm468b.45.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/037-22:57:00 End Record: 2006/037-23:08:00 -------------------------------------------------------------------------- From aseel@airmail.fltops.jpl.nasa.gov Wed Feb 8 10:03:02 2006 Received: from leland3.Stanford.EDU (leland3.Stanford.EDU [171.67.16.108]) by magellan.stanford.edu (8.11.7p1+Sun/8.11.7) with ESMTP id k18I32F10620 for ; Wed, 8 Feb 2006 10:03:02 -0800 (PST) Received: from airmail.fltops.jpl.nasa.gov (airmail2.fltops.jpl.nasa.gov [137.228.96.27]) by leland3.Stanford.EDU (8.12.11/8.12.11) with ESMTP id k18I31Qc025266; Wed, 8 Feb 2006 10:03:01 -0800 Received: from rsops2.fltops.jpl.nasa.gov (rsops2.fltops.jpl.nasa.gov [137.228.136.22]) by airmail.fltops.jpl.nasa.gov (Postfix) with ESMTP id 2285710912; Wed, 8 Feb 2006 10:12:58 -0800 (PST) Received: from rsops2.fltops.jpl.nasa.gov (localhost [127.0.0.1]) by rsops2.fltops.jpl.nasa.gov (8.12.10+Sun/8.12.8) with ESMTP id k18I31PC001321; Wed, 8 Feb 2006 18:03:01 GMT Received: (from aseel@localhost) by rsops2.fltops.jpl.nasa.gov (8.12.10+Sun/8.12.8/Submit) id k18I31uo001320; Wed, 8 Feb 2006 18:03:01 GMT Date: Wed, 8 Feb 2006 18:03:01 GMT From: aseel anabtawi Message-Id: <200602081803.k18I31uo001320@rsops2.fltops.jpl.nasa.gov> Content-Type: text To: undisclosed-recipients:; DSS: 26 RSR: RSR1A Subchannel: 1 Orbit Number: 30912 Occultation Sense: e SOE: mm468b.45.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/037-22:57:00 End Record: 2006/037-23:08:00 DSS: 26 RSR: RSR1A Subchannel: 1 Orbit Number: 30913 Occultation Sense: e SOE: mm468b.45.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/038-00:55:00 End Record: 2006/038-01:06:00 DSS: 26 RSR: RSR1A Subchannel: 1 Orbit Number: 30914 Occultation Sense: e SOE: mm468b.45.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/038-02:52:00 End Record: 2006/038-03:04:00 DSS: 26 RSR: RSR1A Subchannel: 1 Orbit Number: 30915 Occultation Sense: e SOE: mm468b.45.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/038-04:50:00 End Record: 2006/038-05:02:00 DSS: 26 RSR: RSR1A Subchannel: 1 Orbit Number: 30916 Occultation Sense: e SOE: mm468b.45.tsoe Ground Mode: 1 Uplink Station: -- Sampling Rate: 2K Bit Resolution: 16 Begin Record: 2006/038-06:48:00 End Record: 2006/038-06:59:00