PDS_VERSION_ID               = PDS3
RECORD_TYPE                  = STREAM
DATA_SET_ID                  =  "MEX-M-MRS-1/2/3-EXT2-2440-V1.0"
STANDARD_DATA_PRODUCT_ID     = ENB
PRODUCER_ID                  = "SUE"
PRODUCT_ID                   = "M00SUE0L1A_ENB_101421647_00.TXT"
PRODUCT_CREATION_TIME        =  2012-10-09T18:44:11.000
INSTRUMENT_HOST_ID           = "MEX"
OBJECT                       = TEXT
  PUBLICATION_DATE             = 2011-03-10
  NOTE                         = "MEX SUE Experimenter Notes"
END_OBJECT                   = TEXT
END

From rsimpson Mon May 17 15:04:24 2010
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Date: Mon, 17 May 2010 15:04:24 -0700 (PDT)
From: Dick Simpson 650-723-3525 <rsimpson>
Message-Id: <201005172204.o4HM4OK10772@magellan.stanford.edu>
To: Hannes.Griebel@esa.int, Stefan.Remus@sciops.esa.int,
        daniel.s.kahan@jpl.nasa.gov, gene.goltz@jpl.nasa.gov, rsimpson
Subject: MEX BSR 2010/142 Orbit 8179
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Hannes, Stefan:

The DSN Keyword File for DSS 63 on 2010/142 shows
no S-Band activity for the bistatic radar
experiment.  I'm assuming this is an error in
generation of the file; we have seen similar errors
in the past.  If the spacecraft configuration is
actually wrong, however, there may still be time
to make a correction.

Regards,
Dick






From gene.goltz@jpl.nasa.gov Sat May 22 15:00:03 2010
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To: Dick Simpson 650-723-3525 <rsimpson@magellan.stanford.edu>
From: Gene Goltz <gene.goltz@jpl.nasa.gov>
Subject: MEX 2010-142 BSR Ops Log
Cc: Sami Asmar <sami.asmar@jpl.nasa.gov>, Daniel.S.Kahan@jpl.nasa.gov
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Dick,

Attached please find the operations log for the MEX Bistatic Radar
(BSR) experiment that was conducted on 22 May (DOY 142) at DSS-63.
This experiment went very well, with strong X-band echoes returned
(and weaker S-band); LCP signals stronger than RCP for both bands,
slowly transitioning to RCP stronger than LCP around 20:01.  There
was one station problem during this support: during step #6 of the
Pre-Cal procedure, the DC01 Digital Controller stopped responding,
and was re-booted.  The effects of this did not show up on the RSR
until steps #15 and #16, when the S-RCP noise diode enable/disable
commands failed.  The DC02 commands from step #6 were re-executed;
then step #4 was repeated; then the Pre-Cal procedure was resumed,
beginning at step #15.  The only other oddity that appears to have
derived from the CD re-boot was that the ambient load temperatures
were seen to increase by quite a bit between step #5 and step #12,
especially for the S-band channels.


- Gene & Danny
--=====================_376010968==_
Content-Type: application/octet-stream; name="MEX_BSR_20100522_D63.xls";
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0M8R4KGxGuEAAAAAAAAAAAAAAAAAAAAAPgADAP7/CQAGAAAAAAAAAAAAAAACAAAAAQAAAAAAAAAA
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                               ...



From rsimpson Mon May 24 10:08:30 2010
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Date: Mon, 24 May 2010 10:08:30 -0700 (PDT)
From: Dick Simpson 650-723-3525 <rsimpson>
Message-Id: <201005241708.o4OH8UY17996@magellan.stanford.edu>
To: daniel.s.kahan@jpl.nasa.gov, gene.goltz@jpl.nasa.gov, rsimpson
Subject: Re: MEX 2010-142 BSR Ops Log
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Gene and Danny:

Thanks for the log and the notes about the experiment.  I'll
keep an eye on the pre-cal and whether it was affected by the
reboot of DC01.  Also, whether the system temperatures seem
to be stable throughout.

It looks as though you get a (MEX) holiday weekend off, then
we have three more before Independence Day, and then a longer
break.  Thanks for your continuing excellent help in these
experiments.  I'll summarize the results in my 'health'
reports, which are running a little behind but should be
caught up by this next weekend.

Dick




From wilson.chen@dsn.nasa.gov Mon May 24 08:30:40 2010
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The listed file has been processed and delivered to:

OSCARX://ftp/ras/sc41/odfs/10142O142_63X_1s.SC041

Regards,

Wilson Chen

RMDC Analyst
Office - 626-305-6269
Cell - 626-552-8281

This document has been reveiwed for export control
and, does NOT contain controlled technical data.




From daniel.s.kahan@jpl.nasa.gov Tue May 25 16:42:58 2010
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From: "Kahan, Daniel S (332K)" <daniel.s.kahan@jpl.nasa.gov>
To: "Simpson, Richard A (6520-Affiliate)" <rsimpson@magellan.stanford.edu>
CC: "Martin.Paetzold@uni-koeln.de" <Martin.Paetzold@uni-koeln.de>,
        "Matthias.Hahn@uni-koeln.de" <Matthias.Hahn@uni-koeln.de>,
        "Silvia.Tellmann@uni-koeln.de" <Silvia.Tellmann@uni-koeln.de>,
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        "Asmar, Sami W
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        "Goltz, Gene L (332K)"
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Date: Tue, 25 May 2010 16:42:55 -0700
Subject: MEX 2010-142 Bistatic Radar Data
Thread-Topic: MEX 2010-142 Bistatic Radar Data
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Dick,

A MEX Bistatic Radar Experiment on DOY 2010-142 was conducted at DSS-63.
RSR open-loop data were recorded and played back to your MEX directory on r=
sops2 as follows:

    -  X-band RCP, 1-way
    -  RSR2B3
    -  25 kHz, 16 bits
    -  16:47:00 - 17:30:00
    -  17:30:00 - 18:22:00
    -  18:31:00 - 19:06:00
    -  19:06:00 - 20:32:00
    -  20:32:00 - 21:09:00
    -  21:09:00 - 21:43:00

  and:

    -  S-band RCP, 1-way
    -  RSR2A3
    -  25 kHz, 16 bits
    -  16:47:00 - 17:30:00
    -  17:30:00 - 18:22:00
    -  18:31:00 - 19:06:00
    -  19:06:00 - 20:32:00
    -  20:32:00 - 21:09:00
    -  21:09:00 - 21:43:00

 and:

    -  X-band LCP, 1-way
    -  RSR1B3
    -  25 kHz, 16 bits
    -  16:47:00 - 17:30:00
    -  17:30:00 - 18:22:00
    -  18:31:00 - 19:06:00
    -  19:06:00 - 20:32:00
    -  20:32:00 - 21:09:00
    -  21:09:00 - 21:15:32
    -  21:15:34 - 21:43:00

 and:

    -  S-band LCP, 1-way
    -  RSR1A3
    -  25 kHz, 16 bits
    -  16:47:00 - 17:30:00
    -  17:30:00 - 18:22:00
    -  18:31:00 - 19:06:00
    -  19:06:00 - 20:32:00
    -  20:32:00 - 21:02:00
    -  20:02:02 - 21:09:00
    -  21:09:00 - 21:43:00

plus:
    -  X-band RCP, 1-way
    -  RSR2B4
    -  100 kHz, 16 bits
    -  19:06:00 - 19:28:00
    -  19:28:00 - 19:50:00
    -  19:50:00 - 20:12:00
    -  20:12:00 - 20:32:00

  and:

    -  S-band RCP, 1-way
    -  RSR2A4
    -  100 kHz, 16 bits
    -  19:06:00 - 19:28:00
    -  19:28:00 - 19:50:00
    -  19:50:00 - 20:12:00
    -  20:12:00 - 20:32:00

 and:

    -  X-band LCP, 1-way
    -  RSR1B4
    -  100 kHz, 16 bits
    -  19:06:00 - 19:28:00
    -  19:28:00 - 19:50:00
    -  19:50:00 - 20:12:00
    -  20:12:00 - 20:32:00

and:

    -  S-band LCP, 1-way
    -  RSR1A4
    -  100 kHz, 16 bits
    -  19:06:00 - 19:28:00
    -  19:28:00 - 19:50:00
    -  19:50:00 - 20:12:00
    -  20:12:00 - 20:32:00

Note that corrupt records were found in the 25 KHz recordings at 21:02:01 o=
n rsr1A and at 21:15:33 on rsr1B3. Those records were not included in the p=
layback.

- Regards,
  Gene & Danny



From daniel.s.kahan@jpl.nasa.gov Mon May 24 18:09:44 2010
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From: "Kahan, Daniel S (332K)" <daniel.s.kahan@jpl.nasa.gov>
To: "Simpson, Richard A (6520-Affiliate)" <rsimpson@magellan.stanford.edu>
Date: Mon, 24 May 2010 18:09:43 -0700
Subject: RE: MEX BSR 142 RSR Data
Thread-Topic: MEX BSR 142 RSR Data
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There seems to be some corruption in the files. I split 1A3 into two files at 02:02, sacrificing 1 second of data.

Still working on 1B3. There may also be one point which is corrupt and (hopefully) good after that. Will continue trying to find the corrupt point tomorrow.

Not sure why this should be. There was no indication of RSR problems during the experiment and no warning messages in the RSR logs.


-----Original Message-----
From: Dick Simpson 650-723-3525 [mailto:rsimpson@magellan.stanford.edu]
Sent: Monday, May 24, 2010 5:11 PM
To: Kahan, Daniel S (332K)
Subject: MEX BSR 142 RSR Data


041MABI2010142_2032NNNS63LD.1A3 also appears to be short compared
with its siblings.

And 041MABI2010142_2109NNNX63LD.1B3 is long (and still growing) ...
but maybe I'm jumping to conclusions since these seem to be only
a few minutes old.





From rsimpson Mon May 24 18:42:05 2010
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Date: Mon, 24 May 2010 18:42:04 -0700 (PDT)
From: Dick Simpson 650-723-3525 <rsimpson>
Message-Id: <201005250142.o4P1g4O07618@magellan.stanford.edu>
To: daniel.s.kahan@jpl.nasa.gov
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>There seems to be some corruption in the files. I split 1A3 into two files at 02:02, sacrificing 1 second of data ...

  It works best for me if files from the four RSRs have the same
  start time.  But it's also best if the files start on even
  seconds.  So let's see what you come up with; I may do some
  rearranging here at Stanford.

  I'm heading out.  Will see where things stand tomorrow.

  Thanks,
  Dick





From daniel.s.kahan@jpl.nasa.gov Tue May 25 11:15:39 2010
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From: "Kahan, Daniel S (332K)" <daniel.s.kahan@jpl.nasa.gov>
To: "Simpson, Richard A (6520-Affiliate)" <rsimpson@magellan.stanford.edu>
Date: Tue, 25 May 2010 11:15:36 -0700
Subject: RE: MEX BSR 142 RSR Data
Thread-Topic: MEX BSR 142 RSR Data
Thread-Index: Acr7q3z3kSPcw/zrSxufOgmu7XrYbgAiZA8g
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Dick,

Corruption exists in the files as follows:

1A3 21:02:01
1B3 21:15:33

I narrowed it down by playing back segments before and after these times until getting only good data.

So at the moment we have two files for the 20:32-21:09 segment for 1A3 and two files for the 21:09-21:43 segment for 1B3, with one second missing from each segment. I can replay the other three for each segment to match these, we can readjust the segments

Danny

-----Original Message-----
From: Dick Simpson 650-723-3525 [mailto:rsimpson@magellan.stanford.edu]
Sent: Monday, May 24, 2010 6:42 PM
To: Kahan, Daniel S (332K)
Cc: Simpson, Richard A (6520-Affiliate)
Subject: RE: MEX BSR 142 RSR Data


>There seems to be some corruption in the files. I split 1A3 into two files at 02:02, sacrificing 1 second of data ...

  It works best for me if files from the four RSRs have the same
  start time.  But it's also best if the files start on even
  seconds.  So let's see what you come up with; I may do some
  rearranging here at Stanford.

  I'm heading out.  Will see where things stand tomorrow.

  Thanks,
  Dick





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Date: Tue, 25 May 2010 11:44:16 -0700 (PDT)
From: Dick Simpson 650-723-3525 <rsimpson>
Message-Id: <201005251844.o4PIiGq13519@magellan.stanford.edu>
To: daniel.s.kahan@jpl.nasa.gov
Subject: RE: MEX BSR 142 RSR Data
Cc: rsimpson
Content-Length: 1203
Status: RO


>So at the moment we have two files for the 20:32-21:09 segment for 1A3 and two
>files for the 21:09-21:43 segment for 1B3, with one second missing from each segment.
>I can replay the other three for each segment to match these, we can readjust
>the segments altogether to accommodate these, or I can leave it as is
>and let you carve them as you wish.

  Play the uncorrupted channels back in files 20:32-21:09 and 21:09-21:43.
  I'll try to fabricate 4 records to insert where the data are missing and
  glue the broken pieces together.

  In Voyager days with the DSP, we often simply repeated records if some
  were missing; I'll try to do the same with these.  When you're processing
  coherent signals the repeated records can cause artifacts, but those are
  often less troubling than having no data at all.  The BSR surface echoes
  aren't even coherent, so I think we can get away with it.  But I'll need
  to make some notes for the archive.

  Thanks for the careful work in pinning the losses down; that's often the
  time consuming part.  Of course, now I need to develop some software
  to make the repairs; but, having done it before, this may not be too
  difficult.

  Thanks,
  Dick




From daniel.s.kahan@jpl.nasa.gov Tue May 25 11:47:38 2010
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From: "Kahan, Daniel S (332K)" <daniel.s.kahan@jpl.nasa.gov>
To: "Simpson, Richard A (6520-Affiliate)" <rsimpson@magellan.stanford.edu>
Date: Tue, 25 May 2010 11:47:36 -0700
Subject: RE: MEX BSR 142 RSR Data
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OK. Then all the files are there now.

I'll start on the 100 KHz files.

-----Original Message-----
From: Dick Simpson 650-723-3525 [mailto:rsimpson@magellan.stanford.edu]
Sent: Tuesday, May 25, 2010 11:44 AM
To: Kahan, Daniel S (332K)
Cc: Simpson, Richard A (6520-Affiliate)
Subject: RE: MEX BSR 142 RSR Data


>So at the moment we have two files for the 20:32-21:09 segment for 1A3 and two
>files for the 21:09-21:43 segment for 1B3, with one second missing from each segment.
>I can replay the other three for each segment to match these, we can readjust
>the segments altogether to accommodate these, or I can leave it as is
>and let you carve them as you wish.

  Play the uncorrupted channels back in files 20:32-21:09 and 21:09-21:43.
  I'll try to fabricate 4 records to insert where the data are missing and
  glue the broken pieces together.

  In Voyager days with the DSP, we often simply repeated records if some
  were missing; I'll try to do the same with these.  When you're processing
  coherent signals the repeated records can cause artifacts, but those are
  often less troubling than having no data at all.  The BSR surface echoes
  aren't even coherent, so I think we can get away with it.  But I'll need
  to make some notes for the archive.

  Thanks for the careful work in pinning the losses down; that's often the
  time consuming part.  Of course, now I need to develop some software
  to make the repairs; but, having done it before, this may not be too
  difficult.

  Thanks,
  Dick





From rsimpson Tue May 25 16:52:15 2010
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Date: Tue, 25 May 2010 16:52:15 -0700 (PDT)
From: Dick Simpson 650-723-3525 <rsimpson>
Message-Id: <201005252352.o4PNqF619842@magellan.stanford.edu>
To: daniel.s.kahan@jpl.nasa.gov
Subject: Re: MEX 2010-142 Bistatic Radar Data
Cc: Martin.Paetzold@uni-koeln.de, Matthias.Hahn@uni-koeln.de,
        Silvia.Tellmann@uni-koeln.de, Thomas.Kuerten@uni-koeln.de,
        gene.l.goltz@jpl.nasa.gov, rsimpson, sami.w.asmar@jpl.nasa.gov
Content-Length: 532
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>Note that corrupt records were found in the 25 KHz recordings at 21:02:01
>om rsr1A and at 21:15:33 on rsr1B3 ...

  I was able to adapt existing software to create dummy records
  which were used to fill the gap; then I concatenated the good
  records before and after with the dummies to create a new
  file that is logically equivalent to the original.  It passed
  the labeling step successfully.  If it passes the quick-look
  processing (power spectra, sample histograms, power vs time)
  without problems, we should be OK.




From daniel.s.kahan@jpl.nasa.gov Tue May 25 17:09:46 2010
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From: "Kahan, Daniel S (332K)" <daniel.s.kahan@jpl.nasa.gov>
To: "Simpson, Richard A (6520-Affiliate)" <rsimpson@magellan.stanford.edu>
Date: Tue, 25 May 2010 17:09:43 -0700
Subject: RE: MEX 2010-142 Bistatic Radar Data
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The data disk needs to be replaced. Please let me know when the data on the RSR can be erased.

-----Original Message-----
From: Dick Simpson 650-723-3525 [mailto:rsimpson@magellan.stanford.edu]
Sent: Tuesday, May 25, 2010 4:52 PM
To: Kahan, Daniel S (332K)
Cc: Martin.Paetzold@uni-koeln.de; Matthias.Hahn@uni-koeln.de; Silvia.Tellmann@uni-koeln.de; Thomas.Kuerten@uni-koeln.de; Goltz, Gene L (332K); Simpson, Richard A (6520-Affiliate); Asmar, Sami W (332K)
Subject: Re: MEX 2010-142 Bistatic Radar Data


>Note that corrupt records were found in the 25 KHz recordings at 21:02:01
>om rsr1A and at 21:15:33 on rsr1B3 ...

  I was able to adapt existing software to create dummy records
  which were used to fill the gap; then I concatenated the good
  records before and after with the dummies to create a new
  file that is logically equivalent to the original.  It passed
  the labeling step successfully.  If it passes the quick-look
  processing (power spectra, sample histograms, power vs time)
  without problems, we should be OK.







From daniel.s.kahan@jpl.nasa.gov Wed May 26 13:28:16 2010
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To: "Simpson, Richard A (6520-Affiliate)" <rsimpson@magellan.stanford.edu>,
        "Goltz, Gene L (332K)" <gene.l.goltz@jpl.nasa.gov>
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Subject: RE: Data Disk on RSOPS2
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Actually, I was referring to the disk on RSR1 at Madrid (the reason for the corrupt data). Nevertheless, the motivation is the same. Thanks for the update. It will be good if we can get the work going soon, in the hopes of having two RSRs in time for the n

-----Original Message-----
From: Dick Simpson 650-723-3525 [mailto:rsimpson@magellan.stanford.edu]
Sent: Wednesday, May 26, 2010 1:24 PM
To: Kahan, Daniel S (332K); Goltz, Gene L (332K); Simpson, Richard A (6520-Affiliate)
Subject: Data Disk on RSOPS2


Danny indicated yesterday that there was a need to replace the
data disk on rsops2.  I have copied all of the BSR data to
Stanford; by 15:15 PDT I will have a second copy at Stanford
(on the PC we use to write the backup DVDs).

I have removed the 25 kHz data from rsops2, since there is
already a second copy at Stanford; only the 100 kHz data are
still being replicated.

If you want to make the disk swap, I think the risk is small
enough that it could be done anytime; and by 15:15, the risk
will be even smaller.







From rsimpson Wed May 26 13:46:51 2010
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Date: Wed, 26 May 2010 13:46:51 -0700 (PDT)
From: Dick Simpson 650-723-3525 <rsimpson>
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>Actually, I was referring to the disk on RSR1 at Madrid ...

  OK.  You said only "data disk" so I made my own message
  very explicit in hopes you would correct in case I was
  wrong.  If it's the data disk on RSR1 at SPC60, then we
  already have two copies (rsops2 and one at Stanford);
  so there's no reason to wait.  I think you squeezed as
  much out of the old disk as possible, so it's OK with
  me if they go ahead with the replacement.

  If all goes according to plan, I will be in Sweden,
  preparing for the MEX Science Working Team meeting at
  Kiruna, when the next BSR happens.  I should be able
  to sketch out the time line early next week.  If Iceland
  does not interrupt international air travel, I will
  leave early on Friday (local time) and arrive at my
  destination about 1300 UTC on day 156.  Where I will
  be 24 hours later depends on state of consciousness,
  among other things.  You should probably assume that
  you and Gene will have an unfettered hand in carrying
  out the operations.






From Olivier.Reboud@esa.int Mon Jun 21 00:24:51 2010
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        Thomas.Ormston@esa.int, John.Reynolds@esa.int
Subject: Re: MEX BSR Data Report => Did you send a report for MEX BSR DoY142.2010
 over DSS-63 ?
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Dear Dick,

Did you send a report about MEX BSR observation supported by DSS-63 on
DoY142.2010 ?
Our spacon on console (ACE) mentioned some problems to acquire MEX signal
reported on the voice loop by DSS-63, but I don't know more than this. I
also don't know which band X or S downlink was concerned by this
acquisition problem, and if it was during the initial Earth Pointing, or
later, during the S/C HGA pointing to Mars. As we don't get S/C TM during
these BSR passes, we just rely on the Voice Loop to follow-up how the
observation is going on and possible issues reported by the station.
Kind regards,

Olivier








From rsimpson Mon Jun 21 10:26:55 2010
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Date: Mon, 21 Jun 2010 10:26:54 -0700 (PDT)
From: Dick Simpson 650-723-3525 <rsimpson>
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To: Olivier.Reboud@esa.int
Subject: Re: MEX BSR Data Report => Did you send a report for MEX BSR DoY142.2010 over DSS-63 ?
Cc: John.Reynolds@esa.int, Thomas.Ormston@esa.int, mexmps@esa.int, rsimpson,
        stefan.remus@sciops.esa.int, stellman@uni-koeln.de
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>Did you send a report about MEX BSR observation supported by DSS-63 on
>DoY142.2010 ?

  Olivier:

  I will send the report separately in case you did not receive it
  the first time.  It was written about 5 days after the experiment.

>Our spacon on console (ACE) mentioned some problems to acquire MEX signal
>reported on the voice loop by DSS-63, but I don't know more than this. I
>also don't know which band X or S downlink was concerned by this
>acquisition problem, and if it was during the initial Earth Pointing, or
>later, during the S/C HGA pointing to Mars. As we don't get S/C TM during
>these BSR passes, we just rely on the Voice Loop to follow-up how the
>observation is going on and possible issues reported by the station.

  There were some problems during this experiment, but I think they all
  involved ground equipment -- unresponsive controllers which turn on
  noise diodes, unstable LNAs (S-Band only), and a bad disk drive.

  Sometimes the station personnel attempt to capture a few minutes of
  telemetry before or after a BSR; but we have advised them that these
  telemetry sessions are very low priority.

  I have completed part of the detailed processing of the data from
  142.  I have not seen any problems beyond those outlined in my earlier
  message.  Stability of the S-Band LNAs remins a concern; but these
  data will probably be useful for science with only minor
  reservations.

  Regards,
  Dick