PDS_VERSION_ID = PDS3 RECORD_TYPE = STREAM STANDARD_DATA_PRODUCT_ID = HEA DATA_SET_ID = "MEX-M-MRS-1/2/3-PRM-0378-V1.0" PRODUCT_ID = "M00SUE0L1A_HEA_051140855_00.TXT" PRODUCT_CREATION_TIME = 2008-06-30T10:48:17.000 PRODUCER_ID = "SUE" INSTRUMENT_HOST_ID = "MEX" OBJECT = TEXT PUBLICATION_DATE = 2006-05-07 NOTE = "DSN MEX Data Collection" END_OBJECT = TEXT END Miscellaneous ============= These data were collected in 2005. The 100 kHz files were not processed until a couple days ago. There is no record that a message went out previously announcing that the 25 kHz data had been received and processed. The file name for this message (HEA5119A.TXT) was selected so the report could be found near the data. The file name obviously has little to do with when the report was actually distributed. Open Loop Data ============== Data Collection --------------- We have completed quick-look processing on the following MEX RSR open loop 25 and 100 kHz bistatic radar data at Stanford: DOY DSS RSR BAND RSR CH KSPS BT REC RECS RSR MAX START STOP ID RS LEN FILE NAME SNR --- --- -------- -------- ---- --- -- ---- -- ----- ----- ------------ ----- 114 14 08:55:00 10:05:00 -/XR 4 3 25 16 25260 16801 5114085A.RSR 3.7 114 14 08:55:00 10:05:00 -/SR 3 3 25 16 25260 16801 5114085B.RSR 3.3 114 14 08:55:00 10:05:00 -/XL 2 3 25 16 25260 16801 5114085C.RSR 4.2 114 14 08:55:00 10:05:00 -/SL 1 3 25 16 25260 16801 5114085D.RSR 4.1 114 14 10:59:00 11:36:00 -/XR 4 3 25 16 25260 8881 5114105A.RSR 3.8 114 14 10:59:00 11:36:00 -/SR 3 3 25 16 25260 8881 5114105B.RSR 10.8 114 14 10:59:00 11:36:00 -/XL 2 3 25 16 25260 8881 5114105C.RSR 4.0 114 14 10:59:00 11:36:00 -/SL 1 3 25 16 25260 8881 5114105D.RSR 10.8 114 14 11:36:00 11:56:00 -/XR 4 3 25 16 25260 4801 5114113A.RSR 14.8 114 14 11:36:00 11:56:00 -/SR 3 3 25 16 25260 4801 5114113B.RSR 11.8 114 14 11:36:00 11:56:00 -/XL 2 3 25 16 25260 4801 5114113C.RSR 10.1 114 14 11:36:00 11:56:00 -/SL 1 3 25 16 25260 4801 5114113D.RSR 11.5 114 14 11:56:00 12:10:00 -/XR 4 3 25 16 25260 3361 5114115A.RSR 6.0 114 14 11:56:00 12:10:00 -/SR 3 3 25 16 25260 3361 5114115B.RSR 24.0 114 14 11:56:00 12:10:00 -/XL 2 3 25 16 25260 3361 5114115C.RSR 5.1 114 14 11:56:00 12:10:00 -/SL 1 3 25 16 25260 3361 5114115D.RSR 18.3 114 14 12:10:00 13:03:00 -/XR 4 3 25 16 25260 12721 5114121A.RSR 68.6 114 14 12:10:00 13:03:00 -/SR 3 3 25 16 25260 12721 5114121B.RSR 46.4 114 14 12:10:00 13:03:00 -/XL 2 3 25 16 25260 12721 5114121C.RSR 36.3 114 14 12:10:00 13:03:00 -/SL 1 3 25 16 25260 12721 5114121D.RSR 20.5 114 14 13:03:00 13:52:00 -/XR 4 3 25 16 25260 11761 5114130A.RSR 13.1 114 14 13:03:00 13:51:59 -/XL 2 3 25 16 25260 11760 5114130C.RSR 4.1 114 14 13:03:00 13:52:00 -/SR 3 3 25 16 25260 11761 5114130B.RSR 4.0 114 14 13:03:00 13:51:59 -/SL 1 3 25 16 25260 11760 5114130D.RSR 3.1 114 14 11:35:00 11:55:00 -/XR 4 4 100 16 20260 24001 5114113E.RSR 21.3 114 14 11:35:00 11:55:00 -/SR 3 4 100 16 20260 24001 5114113F.RSR 11.4 114 14 11:35:00 11:55:00 -/XL 2 4 100 16 20260 24001 5114113G.RSR 18.5 114 14 11:35:00 11:55:00 -/SL 1 4 100 16 20260 24001 5114113H.RSR 11.7 These data appear to be of good quality (no obvious problems found in quick-look processing). There is a recognizable surface echo in all four channels, though it is weak at S-Band. The echo is only present for four minutes. The data were collected near pericenter, so dynamic signals are expected; but the suddeness with which these echoes appear and disapppear may be unique among the experiments conducted so far (as of 2006-05-07). The target area may be surrounded by a much rougher surface type which stifles the bistatic echo. Interestingly, the S-Band echo drifts to lower frequencies (away from the carrier) as time increases, as would be expected for the specular point. The X-Band echo drifts to HIGHER frequencies. It is likely that the surface is relatively rougher at X-Band and that the echo shape is dominated by the HGA illumniation at X-Band.