MISSION: Seelye Loop DATE: 20141020 SPECIAL ISSUES: DATE NOTES: For good measure, following guide and commenting on each action step. STEPS FOR STARTUP Power to GPS - check Power to dds - check Run dds software(run via exe) - check Run radar software (run via exe) - check Today's happenings: Taxi - 1147 z Takeoff: 115120 z (MCoRDS time ahead by about a minute. Will coordinate a time-sync during flight) Ramp-pass: 115900 z Coordinated UTC: 123200 PA fans: 1214 PAs on: 1216 Records: segment00- noise analysis w/ 50 ohm loads, 30000 feet altitude segment01- noise analysis (antennas attached), 30000 feet altitude segment02 - equalization_10us, 30000 feet altitude segment03 - high altitude 2wf survey land ice (25-dB attenuation wf0) segment04 - equalization 1us (useless) segment05 - deconvolution mode! Noise analysis (01) Expected ADC noise floor @ ADC -62.0 dBm Expected Rx noise floor @ ADC -45.0 dBm Expected levels only valid for param.presums = 1 Noise power is in dBm: -37.7 -39.7 -39.7 -40.3 -39.9 -37.8 -62.4 -62.5 Tx cal (segment02) ======================================================== TX 1: -0.65 ns (9.78 ns) TX 2: 6.51 ns (58.42 ns) TX 3: 3.69 ns (59.02 ns) TX 4: 0.00 ns (0.81 ns) TX 5: -6.07 ns (35.62 ns) TX 6: -5.32 ns (71.40 ns) Recommended new DDS time offset (ns): -0.4100 -4.1386 -4.9886 0.0000 5.2962 0.7396 0.0000 0.0000 ======================================================== Relative power for each waveform (dB) TX 1: -0.57 dB (-4.81 dB) TX 2: -1.28 dB (-2.60 dB) TX 3: -4.57 dB (-5.96 dB) TX 4: 0.00 dB (-Inf dB) TX 5: -1.97 dB (-8.60 dB) TX 6: -0.90 dB (-4.62 dB) Recommended new DDS amplitude settings (DDS counts): 9945 15136 28125 11214 18827 12100 0 0 ======================================================== WF 1: relative phase: 2.861 radians, 163.9 deg WF 2: relative phase: 2.278 radians, 130.5 deg WF 3: relative phase: 1.202 radians, 68.9 deg WF 4: relative phase: 0.000 radians, 0.0 deg WF 5: relative phase: 0.109 radians, 6.2 deg WF 6: relative phase: -0.096 radians, -5.5 deg Recommended new DDS phase settings (deg): -241.0 -274.8 -94.1 0.0 -131.3 64.9 0.0 0.0 ======================================================== DDS_time_error (ns) /process/mcords/board0/mcords3_0_20141021_123936_02_0002.bin -5.20 -22.88 37.15 0.00 25.24 7.80 0.00 0.00 /process/mcords/board0/mcords3_0_20141021_123945_02_0003.bin 15.37 -18.97 -3.42 0.00 0.74 10.18 0.00 0.00 /process/mcords/board0/mcords3_0_20141021_123956_02_0004.bin -0.65 6.51 3.69 0.00 -6.07 -5.32 0.00 0.00 DDS_time (ns) /process/mcords/board0/mcords3_0_20141021_123936_02_0002.bin 4.14 25.25 -38.45 0.00 -26.01 -12.38 0.00 0.00 /process/mcords/board0/mcords3_0_20141021_123945_02_0003.bin -16.43 21.34 2.12 0.00 -1.51 -14.76 0.00 0.00 /process/mcords/board0/mcords3_0_20141021_123956_02_0004.bin -0.41 -4.14 -4.99 0.00 5.30 0.74 0.00 0.00 Original -1.06 2.37 -1.30 0.00 -0.77 -4.58 0.00 0.00 Mean -4.23 14.15 -13.77 0.00 -7.41 -8.80 0.00 0.00 Median -0.41 21.34 -4.99 0.00 -1.51 -12.38 0.00 0.00 Stdev 10.81 15.96 21.66 0.00 16.46 8.35 0.00 0.00 DDS_amp_error (dB) /process/mcords/board0/mcords3_0_20141021_123936_02_0002.bin -3.2 -2.1 -3.3 0.0 0.8 -0.5 0.0 0.0 /process/mcords/board0/mcords3_0_20141021_123945_02_0003.bin -2.9 -1.6 -2.4 0.0 -0.2 -3.0 0.0 0.0 /process/mcords/board0/mcords3_0_20141021_123956_02_0004.bin -0.6 -1.3 -4.6 0.0 -2.0 -0.9 0.0 0.0 DDS_amp (DDS Counts, linear) /process/mcords/board0/mcords3_0_20141021_123936_02_0002.bin 13441 16614 24210 11214 13602 11619 0 0 /process/mcords/board0/mcords3_0_20141021_123945_02_0003.bin 12929 15770 21873 11214 15433 15353 0 0 /process/mcords/board0/mcords3_0_20141021_123956_02_0004.bin 9945 15136 28125 11214 18827 12100 0 0 Original 9312 13066 16610 11214 15000 10915 0 0 Mean 8319 10886 17000 7707 10965 8951 0 0 Median 12929 15770 24210 11214 15433 12100 0 0 Stdev 1888 741 3159 0 2651 2031 0 0 DDS_phase_error (deg) /process/mcords/board0/mcords3_0_20141021_123936_02_0002.bin -177.6 126.3 -0.8 0.0 7.1 9.4 0.0 0.0 /process/mcords/board0/mcords3_0_20141021_123945_02_0003.bin -177.7 148.3 15.4 0.0 -7.8 -54.7 0.0 0.0 /process/mcords/board0/mcords3_0_20141021_123956_02_0004.bin 163.9 130.5 68.9 0.0 6.2 -5.5 0.0 0.0 DDS_phase (deg) /process/mcords/board0/mcords3_0_20141021_123936_02_0002.bin 101 -271 -24 0 -132 50 0 0 /process/mcords/board0/mcords3_0_20141021_123945_02_0003.bin 101 -293 -41 0 -117 114 0 0 /process/mcords/board0/mcords3_0_20141021_123956_02_0004.bin -241 -275 -94 0 -131 65 0 0 Original -77.1 -144.3 -25.2 0.0 -125.1 59.4 0.0 0.0 Mean 106.7 80.7 -52.2 0.0 -127.0 75.7 0.0 0.0 Median 106.7 80.7 -52.2 0.0 -127.0 75.7 0.0 0.0 Stdev 10.6 11.7 36.5 0.0 8.4 33.6 0.0 0.0 Delay Compensated Mean -110.5 166.5 174.8 0.0 139.0 147.1 0.0 0.0 Rx cal (segment02) Not working due to matlab error