PDS_VERSION_ID = PDS3 RECORD_TYPE = STREAM DATA_SET_ID = {"CO-V/E/J/S/SS-RPWS-4-SUMM-KEY60S-V1.0", "CO-V/E/J/S/SS-RPWS-2-REFDR-ALL-V1.0", "CO-V/E/J/S/SS-RPWS-3-RDR-LRFULL-V1.0", "CO-V/E/J/S/SS-RPWS-2-REFDR-WBRFULL-V1.0", "CO-V/E/J/S/SS-RPWS-2-REFDR-WFRFULL-V1.0"} PRODUCT_ID = "C7_TRIG_02" PRODUCT_VERSION_ID = "1.00" PRODUCT_TYPE = ANCILLARY INSTRUMENT_HOST_NAME = "CASSINI ORBITER" INSTRUMENT_HOST_ID = CO INSTRUMENT_NAME = "RADIO AND PLASMA WAVE SCIENCE" INSTRUMENT_ID = RPWS OBJECT = TEXT PUBLICATION_DATE = 2005-03-17 NOTE = " TRIG_02.TXT describes the RPWS instrument configuration for the High Frequency Receiver (HFR), the Medium Frequency Receiver (MFR), the Low Frequency Receiver (LFR), the Waveform Receiver (WFR), the Wideband Receiver (WBR), the Langmuir Probe (LP), the Sounder, and the onboard Dust detection algorithm when using Trigger 2." END_OBJECT = TEXT END Trigger 2 Description Sequence: C7 (Venus-1) Trigger 2 (Venus-1 Science Mode) This mode is designed to provide HFR data to search for lightning during the Venus-1 gravity assist flyby. No LFR, MFR, Wideband or Waveform measurements are made. The frequency range 71 KHz - 16 MHz is covered. This Trigger writes the data to RPWS memory, where it was later MRO'd to telemetry. Receiver Frequency Range Sensors Time between Snapshots -------- ---------------- ------- ---------------------- HFR 71 kHz - 16 MHz EX 2 seconds The HFR is only on the dipole EX Antenna This mode is defined by: Correlations Channels Integ. Size Frequency Band Ant. Auto- Cross- per Band df Period Rep Steps kHz Start - Stop ---- ---- ----- ------ -------- -- ------ --- ----- ---- ------------ C 1E y n 8 n 1000 1 71 - 319 kHz H1 1E n n 1 n 80 1 12 350 125k - 4MHz H2 1E n n 1 n 80 1 8 200 5.475 - 16MHz The complete sweep takes about 2 seconds. Four Sweeps were collected in each HFR analysis record, with the time between each record being 7.875 seconds.