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 = "C11_TRIG_4A" 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_4A.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 4A." END_OBJECT = TEXT END Trigger 4A Description Sequence: All Trigger 4A (Quiet Test: LP Biasing effect on CAPS) This mode is designed to step through a series of bias voltage values for the LP and allow the other instruments to check for interference. Receiver Frequency Range Sensor Cycle Time Snapshot Size -------- --------------- ---------------- ---------------- ------------- LFR 1Hz-25Hz EW,BX 16.000 Seconds MFR 25Hz-12KHz EW,BZ 32.000 Seconds LPden N/A Langmuir Probe 16.000 Seconds WFR 50Hz-2.5KHz EX,EW,BX,BY,BZ 25.000 Seconds 512 WBR 100Hz-10KHz EW 4.000 Seconds 2048 Correlations Channels Integ. Size Frequency Band Ant. Auto- Cross- per Band df Period Rep Steps kHz Start - Stop ---- ---- ----- ------ -------- -- ------ --- ----- ---- ------------ ABC 2E y n 32 n 1000 1 3.6-319KHz HF1 2E y n 8 n 160 1 162 25 0.100-4.150MHz HF2 2E y n 8 n 80 1 241 50 4.125-16.175MHz Bands ABC require 2.945 sec to complete, H1 requires 26.457 sec, and H2 requires 20.365 sec for a total of 49.767 sec per sweep. The hfr cycle time is 51.000 seconds. The trigger steps through the following bias voltages 96 seconds Sphere bias -32V 96 seconds Sphere bias -24V 96 seconds Sphere bias -16V 96 seconds Sphere bias -8V 96 seconds Sphere bias 0V 96 seconds Sphere bias +8V 96 seconds Sphere bias +16V 96 seconds Sphere bias +24V 96 seconds Sphere bias +32V 96 seconds Ex- bias -12V 96 seconds Ex- bias -9V 96 seconds Ex- bias -6V 96 seconds Ex- bias -3V 96 seconds Ex- bias 0V 96 seconds Ex- bias +3V 96 seconds Ex- bias +6V 96 seconds Ex- bias +9V 96 seconds Ex- bias +12V 96 seconds Ex+ bias -12V 96 seconds Ex+ bias -9V 96 seconds Ex+ bias -6V 96 seconds Ex+ bias -3V 96 seconds Ex+ bias 0V 96 seconds Ex+ bias +3V 96 seconds Ex+ bias +6V 96 seconds Ex+ bias +9V 96 seconds Ex+ bias +12V At the end of the test, Trigger 70 is called.