PDS_VERSION_ID = PDS3 RECORD_TYPE = STREAM STANDARD_DATA_PRODUCT_ID = HEA DATA_SET_ID = "MEX-M-MRS-1/2/3-EXT2-1438-V1.0" PRODUCT_ID = "M00SUE0L1A_HEA_080600746_00.TXT" PRODUCT_CREATION_TIME = 2011-04-20T13:34:46.000 PRODUCER_ID = "SUE" INSTRUMENT_HOST_ID = "MEX" OBJECT = TEXT PUBLICATION_DATE = 2008-03-06 NOTE = "DSN MEX Bistatic Radar Data" END_OBJECT = TEXT END Miscellaneous ============= This is the first report since HEA8059A.TXT. For those who follow such things, today is the 30th anniversary of the final Viking bistatic radar experiment, conducted over Olympus Mons. Open Loop Data ============== Data Collection --------------- We have completed quick-look processing on the following MEX bistatic radar 25 kHz RSR open loop data at Stanford: DOY DSS RSR BAND RSR CH KSPS BT REC RECS RSR MAX START STOP ID RS LEN FILE NAME SNR --- --- -------- -------- ---- --- -- ---- -- ----- ----- ------------ ----- 060 43 07:46:01 08:55:00 -/XR 4 3 25 16 25260 16557 8060074A.RSR 4.8 060 43 07:46:01 08:55:00 -/SR 3 3 25 16 25260 16557 8060074B.RSR 3.5 060 43 07:46:01 08:55:00 -/XL 2 3 25 16 25260 16557 8060074C.RSR 5.8 060 43 07:46:01 08:55:00 -/SL 1 3 25 16 25260 16557 8060074D.RSR 4.2 060 43 09:50:00 10:42:00 -/XR 4 3 25 16 25260 12481 8060095A.RSR 70.5 060 43 09:50:00 10:42:00 -/SR 3 3 25 16 25260 12481 8060095B.RSR 49.6 060 43 09:50:00 10:42:00 -/XL 2 3 25 16 25260 12481 8060095C.RSR 34.7 060 43 09:50:00 10:42:00 -/SL 1 3 25 16 25260 12481 8060095D.RSR 24.3 060 43 10:42:00 11:30:00 -/XR 4 3 25 16 25260 11521 8060104A.RSR 26.6 060 43 10:42:00 11:30:00 -/SR 3 3 25 16 25260 11521 8060104B.RSR 9.1 060 43 10:42:00 11:30:00 -/XL 2 3 25 16 25260 11521 8060104C.RSR 25.6 060 43 10:42:00 11:30:00 -/SL 1 3 25 16 25260 11521 8060104D.RSR 11.6 060 43 11:30:00 12:55:00 -/XR 4 3 25 16 25260 20401 8060113A.RSR 70.9 060 43 11:30:00 12:55:00 -/SR 3 3 25 16 25260 20401 8060113B.RSR 48.7 060 43 11:30:00 12:55:00 -/XL 2 3 25 16 25260 20401 8060113C.RSR 40.2 060 43 11:30:00 12:55:00 -/SL 1 3 25 16 25260 20401 8060113D.RSR 23.7 We have completed quick-look processing on the following MEX bistatic radar 100 kHz RSR open loop data at Stanford: DOY DSS RSR BAND RSR CH KSPS BT REC RECS RSR MAX START STOP ID RS LEN FILE NAME SNR --- --- -------- -------- ---- --- -- ---- -- ----- ----- ------------ ----- 060 43 10:42:00 11:00:00 -/XR 4 4 100 16 20260 21601 8060104E.RSR 26.8 060 43 10:42:00 11:00:00 -/SR 3 4 100 16 20260 21601 8060104F.RSR 13.3 060 43 10:42:00 11:00:00 -/XL 2 4 100 16 20260 21601 8060104G.RSR 29.1 060 43 10:42:00 11:00:00 -/SL 1 4 100 16 20260 21601 8060104H.RSR 13.6 060 43 11:00:00 11:15:00 -/XR 4 4 100 16 20260 18001 8060110A.RSR 26.9 060 43 11:00:00 11:15:00 -/SR 3 4 100 16 20260 18001 8060110B.RSR 14.1 060 43 11:00:00 11:15:00 -/XL 2 4 100 16 20260 18001 8060110C.RSR 28.9 060 43 11:00:00 11:15:00 -/SL 1 4 100 16 20260 18001 8060110D.RSR 14.2 060 43 11:15:00 11:29:59 -/XR 4 4 100 16 20260 18000 8060111A.RSR 27.8 060 43 11:15:00 11:29:59 -/SR 3 4 100 16 20260 18000 8060111B.RSR 13.9 060 43 11:15:00 11:29:59 -/XL 2 4 100 16 20260 18000 8060111C.RSR 30.0 060 43 11:15:00 11:29:59 -/SL 1 4 100 16 20260 18000 8060111D.RSR 14.4 All of these data appear to be of good quality. Partly as a diagnostic exercise to investigate puzzling changes in X-RCP noise levels associated with changes in ground antenna pointing, we asked the DSS 43 to use "planetary" rather than spacecraft pointing during the surface scattering portion of these observations. In planetary pointing, the antenna is aimed toward the center of Mars rather than toward the spacecraft. The difference should be negligible for the geometrical conditions of 2008/060; and we saw no changes in real time. However, it may be desirable to include planetary pointing in the future since our echoes come from the surface of Mars and spacecraft with very elongated orbits could draw the 70-m antenna away from the surface -- especially near opposition. Signals were visible in all four channels in real time; and they can be seen clearly in the quick-look results.