http://ovsa.njit.edu//wiki/index.php?action=history&feed=atom&title=2019_July 2026-04-17T16:24:01Z Revision history for this page on the wiki MediaWiki 1.38.1 http://ovsa.njit.edu//wiki/index.php?title=2019_July&diff=4501&oldid=prev 2019-07-23T13:00:22Z

<p><span dir="auto"><span class="autocomment">July 02</span></span></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 13:00, 23 July 2019</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l3">Line 3:</td> <td colspan="2" class="diff-lineno">Line 3:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== July 02 ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== July 02 ==</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''12:14 UT''' Today I set all of the antennas (1-13) back to their old pointing coefficients from before I did the pointing measurements.  For whatever reason, the update to the pointing measurements was incorrect and nothing I did could make the updated pointing coefficients work.  I really do not understand why the update should fail.  I suppose I need to go through the algorithm in detail and see if there is a bug somewhere.  I did leave the 27-m (ant14) pointing coefficients updated, although I do not have a good way to check how good they are.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''12:14 UT''' Today I set all of the antennas (1-13) back to their old pointing coefficients from before I did the pointing measurements.  For whatever reason, the update to the pointing measurements was incorrect and nothing I did could make the updated pointing coefficients work.  I really do not understand why the update should fail.  I suppose I need to go through the algorithm in detail and see if there is a bug somewhere.  I did leave the 27-m (ant14) pointing coefficients updated, although I do not have a good way to check how good they are.</div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">== July 23 ==</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">'''12:54 UT''' Yesterday I attempted to reset the DCM master table, but I messed up the command and the result was a table that was very much mis-set.  Probably yesterday's data are not much good.  This morning I figured out what went wrong, and reset it to correct values in time for the morning high-frequency receiver calibration.  I am trying to determine the EQ coefficients and come up with a scheme for setting them quickly and automatically, and to allow them to vary with antenna and band.</ins></div></td></tr> </table>

Dgary http://ovsa.njit.edu//wiki/index.php?title=2019_July&diff=4485&oldid=prev 2019-07-02T12:19:11Z

<p>Created page with &quot;[http://www.ovsa.njit.edu/wiki/index.php/Expanded_Owens_Valley_Solar_Array#Observing_Log Back to Observing Log] == July 02 == &#039;&#039;&#039;12:14 UT&#039;&#039;&#039; Today I set all of the antennas (...&quot;</p> <p><b>New page</b></p><div>[http://www.ovsa.njit.edu/wiki/index.php/Expanded_Owens_Valley_Solar_Array#Observing_Log Back to Observing Log]<br /> <br /> == July 02 ==<br /> '''12:14 UT''' Today I set all of the antennas (1-13) back to their old pointing coefficients from before I did the pointing measurements. For whatever reason, the update to the pointing measurements was incorrect and nothing I did could make the updated pointing coefficients work. I really do not understand why the update should fail. I suppose I need to go through the algorithm in detail and see if there is a bug somewhere. I did leave the 27-m (ant14) pointing coefficients updated, although I do not have a good way to check how good they are.</div>

Dgary