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_8A" 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_8A.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 8A." END_OBJECT = TEXT END Trigger 8A Description Sequence: All Trigger 8A (High Rate WFR Checkout Mode) Mode to test the WFR in various High-rate modes Receiver Frequency Range Sensor Cycle Time Snapshot Size -------- --------------- ---------------- ---------------- ------------- MFR 25Hz-12KHz EX,EW,BZ 32.000 Seconds LPden N/A Langmuir Probe 10.125 Seconds LPswp N/A Langmuir Probe 10.000 Seconds LPden N/A Langmuir Probe 10.000 Seconds WFR 50Hz-2.5KHz EX 1.500 Seconds 10240 WFR 50Hz-2.5KHz LMR+,LMR-,LPS 0.750 Seconds 3072 WFR 50Hz-2.5KHz EX,EW,BX,BY,BZ 1.500 Seconds 2048 WFR 1Hz-40Hz EX,EW,BX,BY,BZ 20.750 Seconds 2048 WFR 50Hz-2.5KHz EX 4.000 Seconds 10240 The HFR steps through a variety of modes to match the WFR antenna selections Correlations Channels Integ. Size Frequency Band Ant. Auto- Cross- per Band df Period Rep Steps kHz Start - Stop ---- ---- ----- ------ -------- -- ------ --- ----- ---- ------------ ABC 2E y y 32 n 1000 1 3.6-319KHz HF1 2E y y 4 n 160 1 70 25 0.250-2.000MHz HF2 2E y y 1 n 80 1 70 200 2.025-16.025MHz Bands ABC require 3.120 sec to complete, H1 requires 12.301 sec, and H2 requires 6.266 sec for a total of 21.687 sec per sweep. The hfr cycle time is 22.125 seconds. Correlations Channels Integ. Size Frequency Band Ant. Auto- Cross- per Band df Period Rep Steps kHz Start - Stop ---- ---- ----- ------ -------- -- ------ --- ----- ---- ------------ ABC 1E y n 16 n 1000 1 3.6-319KHz HF1 1E y n 2 n 80 1 60 25 0.325-1.825MHz HF2 1E n n 1 n 20 1 72 200 1.825-16.225MHz Bands ABC require 2.110 sec to complete, H1 requires 3.931 sec, and H2 requires 1.461 sec for a total of 7.503 sec per sweep. The hfr cycle time is 7.750 seconds. Correlations Channels Integ. Size Frequency Band Ant. Auto- Cross- per Band df Period Rep Steps kHz Start - Stop ---- ---- ----- ------ -------- -- ------ --- ----- ---- ------------ ABC 1E y n 16 n 1000 1 3.6-319KHz HF1 1E y n 2 n 80 1 60 25 0.325-1.825MHz HF2 1E n n 1 n 20 1 72 200 1.825-16.225MHz Bands ABC require 2.110 sec to complete, H1 requires 3.931 sec, and H2 requires 1.461 sec for a total of 7.503 sec per sweep. The hfr cycle time is 7.750 seconds. Correlations Channels Integ. Size Frequency Band Ant. Auto- Cross- per Band df Period Rep Steps kHz Start - Stop ---- ---- ----- ------ -------- -- ------ --- ----- ---- ------------ ABC 2E y y 16 n 500 1 3.6-319KHz HF1 2E y y 2 n 80 1 36 25 0.325-1.225MHz HF2 1E n n 1 n 20 1 75 200 1.225-16.225MHz Bands ABC require 1.580 sec to complete, H1 requires 3.284 sec, and H2 requires 1.522 sec for a total of 6.386 sec per sweep. The hfr cycle time is 6.625 seconds. The WFR is stepped through the following modes Duration WFR Setup 112/128 Seconds HBAND, 10240 Samples, Man Gain 30 dB, EX, Free run (Trigger 14 setup for rest of instrument) 108/128 Seconds dN/N (Trigger 16 setup) 112/128 Seconds HBAND, 2048 samples, Man Gain 30 dB, 5 channel 168/192 seconds HBAND, 5 channel, Auto Gain (Trigger 1A) 192/192 Seconds LBAND, 5 channel, Auto Gain (Trigger 1A but Low Band) indefinite LFWBR (2.5 kHz WFR Ex) (Trigger 14 setup)