urn:nasa:pds:clementine1_bistatic:sort:rcp 1.0 1.21.0.0 Product_Observational 2000 This file contains a fixed-width table showing RCP power vs frequency and time when the Clementine BETA=0 point was closest to the Lunar South Pole. The table has 1464 rows with 1024 samples in each row. Each row is a power spectrum representing 0.65536 seconds of data; frequency resolution is approximately 1.5259 Hz. Each spectrum was derived by taking a Fourier Transform of 16384 complex time samples, saving frequency bins 7356-8379, and multiplying each value by its complex conjugate. In the original data the South Pole echo was expected to be at 12500 Hz (bin 8193). The data were calibrated by computing the average radiothermal noise level in the 40 highest frequency bins in all spectra (58560 points total) -- about a 0.5 percent determination of the statistical noise level. The data were normalized by the average noise, and the noise pedestal (=1.0) was removed. The result was then multiplied by Boltzman's constant and the system temperature -- assumed to be the sum of the receiver temperature (18.41K) and a contribution from the lunar limb (61.45K). The values in the table are thus in units of watts per Hz. Time of South Pole closest approach was taken to be 18:46:36.5 ERT (designated t0). The first row in the table is centered on t0-591.1624 s; the last row is centered on t0+367.6293 s. If the frequency of the South Pole bin in the table is taken to be f0 (bin 838), then the first sample in each row of the table is at f0-1275.6 Hz and the last sample in each row is at f0+285.3394 Hz. Each sample is represented as an ASCII real number in E16.7 format. Each row requires 16384 bytes for storage of 1024 sample values; each row is delimited by an ASCII carriage-return line-feed pair. This table was produced by Dick Simpson, Radio Science Advisor to the NASA Planetary Data System. 2024-05-13 1.0 Product migrated to PDS4 from PDS3. 1994-04-09T18:36:45Z 1999-04-09T18:52:44Z Deep Space Program Science Experiment Mission urn:nasa:pds:context:investigation:mission.deep_space_program_science_experiment data_to_investigation Clementine 1 Clementine 1 Host urn:nasa:pds:context:instrument_host:spacecraft.clem1 is_instrument_host Radio Science Subsystem Instrument urn:nasa:pds:context:instrument:clem1.rss is_instrument Moon Satellite urn:nasa:pds:context:target:satellite.earth.moon data_to_target table processing_information_to_data_object FNDLOOK rcp.tab 1998-03-20T00:00:00 TABLE table 0 1464 This table contains values of received right circularly polarized signal power versus frequency and time in units of watts per Hertz. Format is E16.7. The first row in the table is the earliest power spectrum; it was taken 591.2 s before the BETA=0 point passed closest to the South Pole. Succeeding spectra/rows are spaced by 0.65536 s. The South Pole closest approach corresponds to spectrum 903. The first sample in each row is 1275.6 Hz below the South Pole bin; succeeding samples are spaced by approximately 1.5259 Hz. The South Pole echo is in bin 838. Carriage-Return Line-Feed 0 1 16386 1 1024 1 0 1 16384 Frequency 1 1 ASCII_Real 16 1.0 0.0 rcp.lbl 0 PDS3 Original PDS3 label Carriage-Return Line-Feed