Program BSRPREDICT Version of 14-OCT-93 This run: Thu Oct 14 13:30:49 1993 Input is from file: bsrinput/mgn.93313.hga.s Initial vectors at SCET 1993-11-09 09:40:20 target to spacecraft: 3.36025400D+06 -5.35899400D+06 -1.96395000D+06 S/C velocity wrt target: 3.97352000D+02 -2.05342600D+03 6.57061300D+03 earth position wrt target: 2.07626638D+11 1.14514077D+11 4.31416170D+10 unit vector, tgt to earth: 8.61502825D-01 4.75151945D-01 1.79007016D-01 target to earth distance: 2.41005174D+11 Planet parameters: target radius (km): 6051. target mass (10**20 kg): 48684.02554 target rotation period (hrs): 5832.60000 RA of target north pole (deg): 272.69000 Dec of target north pole (deg): 67.17000 autumnal equinox (deg): 90.00000 rms surface roughness (radians): 0.10000 frequency (MHz): 2298. transmitter power (w): 6. spacecraft antenna gain (dB): 37.00 half-power half beamwidth (deg): 1.10 polarization: L ground antenna gain (dB): 63.30 receiving system noise temperature (K) 17.00 receiver noise power density (dBm/Hz): -186.30 surface dielectric constant: 3.60 orbit increment (secs): 10. start time (secs wrt initial vectors): 0. output spacing (secs): 300. last time (secs wrt initial vectors): 6000. number of increments: 21 Transform matrix to planet frame: 9.98898080D-01 4.69321100D-02 0.00000000D+00 -4.32554600D-02 9.20644530D-01 3.87998220D-01 1.82095800D-02 -3.87570680D-01 9.21660120D-01 Inverse transform to go back to original frame: 9.98898082D-01 -4.32554542D-02 1.82095752D-02 4.69321171D-02 9.20644525D-01 -3.87570677D-01 -2.17468460D-09 3.87998222D-01 9.21660124D-01 The identity matrix? 1.00000000D+00 3.42087469D-15 7.69176389D-15 -1.69044760D-18 1.00000000D+00 -1.66533454D-16 1.42241647D-18 0.00000000D+00 1.00000000D+00 A backwards identity matrix? 1.00000000D+00 1.71737624D-16 8.41340886D-15 8.67361738D-19 1.00000000D+00 2.22044605D-16 0.00000000D+00 0.00000000D+00 1.00000000D+00 Converted position is: 3.1050424D+06 = 9.9889808D-01 4.6932110D-02 0.0000000D+00 3.3602540D+06 -5.8410869D+06 = -4.3255460D-02 9.2064453D-01 3.8799822D-01 -5.3589940D+06 3.2808337D+05 = 1.8209580D-02 -3.8757068D-01 9.2166012D-01 -1.9639500D+06 Converted velocity is: 3.0054253D+02 = 9.9889808D-01 4.6932110D-02 0.0000000D+00 3.9735200D+02 6.4172309D+02 = -4.3255460D-02 9.2064453D-01 3.8799822D-01 -2.0534260D+03 6.8589553D+03 = 1.8209580D-02 -3.8757068D-01 9.2166012D-01 6.5706130D+03 Converted earth position is: 2.1277224D+11 = 9.9889808D-01 4.6932110D-02 0.0000000D+00 2.0762664D+11 1.1318464D+11 = -4.3255460D-02 9.2064453D-01 3.8799822D-01 1.1451408D+11 -8.3959692D+08 = 1.8209580D-02 -3.8757068D-01 9.2166012D-01 4.3141617D+10 Output which appears is the following: Line 1: time (secs) from initial vectors (TIME )(1) s/c position in target-ctrd system (SCPOS )(2-4) s/c velocity in target-ctrd system (SCVEL )(5-7) unit vector to specular point in target system (PSP )(8-10) Line 2: direct signal Doppler wrt target center (Hz) (FD )(11) echo signal Doppler wrt target center (Hz) (FR )(12) differential Doppler between above (Hz) (FDD )(13) echo bandwidth (Hz) (BW )(14) specular incidence angle (deg) (PHI )(15) derivative of incidence angle (deg/sec) (PHID )(16) radar cross section (RCS )(17) echo signal level wrt direct signal (dB) (SLS )(18) distance, s/c to specular point (km) (DIST )(19) Line 3: unit vector spacecraft to specular point (SCSP )(20-22) angle, specular pt to spacecraft to earth (deg) (SP_SC_E )(23) angle, target center to spacecraft to earth (deg) (TGT_SC_E)(24) detectability: SLS divided by BW (dB) (DETECT )(25) Line 4: direct signal strength (dBm) (PR_DIR )(26) HH reflection coefficient for HH incident (dB) (RHO_HH )(27) VV reflection coefficient for VV incident (dB) (RHO_VV )(28) signal loss due to finite antenna beam (dB) (REDUCT )(29) expected HH power at receiver (dBm) (PR_HH )(30) expected VV power at receiver (dBm) (PR_VV )(31) bandwidth of beam-limited echo (dB) (BW_RED )(32) total noise power in echo bw (>= 1 Hz)(dBm) (PN )(33) HH echo margin: HH to noise times sqrt(rbw)(dB) (M_HH )(34) VV echo margin: VV to noise times sqrt(rbw)(dB) (M_VV )(35) Line 5: specular point unit vector in VBF coordinates (PSP_VBF )(36-36) specular point latitude (deg N) (PSP_LAT )(37) specular point longitude (deg E) (PSP_LON )(38) 0 3.105D+06 -5.841D+06 3.281D+05 3.005D+02 6.417D+02 6.859D+03 6.650D-01 -7.454D-01 4.730D-02 4158. 3991. 167. 5216. 76.30 -0.0021 1.3058 -5.6 1618. 5.3120684D-01 7.9409722D-01 2.9534539D-01 27.399 89.974 -42.82 -129.53 -2.54 -10.09 -7.29 -145.01 -152.56 1152.83 -155.68 25.98 18.43 3.887D-01 9.202D-01 4.730D-02 2.71 67.10 300 3.038D+06 -5.359D+06 2.335D+06 -7.461D+02 2.550D+03 6.404D+03 6.437D-01 -6.842D-01 3.429D-01 3956. 4066. -109. 5459. 75.77 -0.0013 1.3916 -5.3 1512. 5.2787700D-01 8.3520992D-01 1.5417610D-01 28.452 91.368 -42.69 -129.53 -2.64 -10.55 -7.50 -144.99 -152.91 1193.70 -155.53 25.92 18.01 3.424D-01 8.747D-01 3.429D-01 20.05 68.62 600 2.663D+06 -4.334D+06 4.104D+06 -1.737D+03 4.234D+03 5.284D+03 5.761D-01 -5.464D-01 6.079D-01 3344. 3735. -391. 5642. 75.53 -0.0003 1.4798 -5.0 1384. 5.5653248D-01 8.3081134D-01 4.9103404D-03 28.944 92.644 -42.50 -129.53 -2.68 -10.78 -7.64 -144.84 -152.93 1210.16 -155.47 26.04 17.95 2.468D-01 7.547D-01 6.079D-01 37.44 71.89 900 2.011D+06 -2.859D+06 5.446D+06 -2.572D+03 5.518D+03 3.576D+03 4.659D-01 -3.415D-01 8.163D-01 2364. 2985. -622. 5729. 75.63 0.0010 1.5661 -4.7 1240. 6.1579321D-01 7.7733651D-01 -1.2863385D-01 28.737 93.671 -42.24 -129.53 -2.66 -10.68 -7.70 -144.54 -152.56 1199.41 -155.51 26.36 18.34 1.088D-01 5.673D-01 8.163D-01 54.71 79.14 1200 1.145D+06 -1.079D+06 6.205D+06 -3.153D+03 6.243D+03 1.426D+03 3.209D-01 -8.603D-02 9.432D-01 1096. 1843. -747. 5679. 76.13 0.0024 1.6433 -4.4 1093. 6.9784588D-01 6.8109515D-01 -2.2163153D-01 27.730 94.326 -41.89 -129.53 -2.57 -10.23 -7.64 -144.09 -151.75 1160.62 -155.65 26.88 19.22 -5.986D-02 3.268D-01 9.432D-01 70.59 100.38 1500 1.532D+05 8.190D+05 6.279D+06 -3.400D+03 6.290D+03 -9.529D+02 1.537D-01 1.956D-01 9.686D-01 -336. 403. -739. 5455. 77.04 0.0037 1.7003 -4.1 955. 7.8854184D-01 5.5949078D-01 -2.5528776D-01 25.911 94.510 -41.48 -129.53 -2.41 -9.44 -7.44 -143.49 -150.53 1096.25 -155.90 27.61 20.57 -2.426D-01 5.500D-02 9.686D-01 75.60 167.23 1800 -8.557D+05 2.622D+06 5.637D+06 -3.261D+03 5.612D+03 -3.293D+03 -1.776D-02 4.720D-01 8.814D-01 -1772. -1165. -608. 5053. 78.29 0.0046 1.7191 -4.0 841. 8.7047282D-01 4.3776146D-01 -2.2503770D-01 23.417 94.171 -41.02 -129.53 -2.18 -8.41 -7.09 -142.78 -149.01 1014.51 -156.23 28.48 22.25 -4.188D-01 -2.185D-01 8.814D-01 61.81 207.55 2100 -1.764D+06 4.118D+06 4.336D+06 -2.733D+03 4.255D+03 -5.299D+03 -1.714D-01 7.081D-01 6.850D-01 -3033. -2626. -407. 4525. 79.70 0.0047 1.6764 -4.0 770. 9.2923610D-01 3.3980984D-01 -1.4508460D-01 20.605 93.324 -40.59 -129.53 -1.92 -7.29 -7.04 -142.52 -147.90 923.49 -156.64 28.95 23.57 -5.661D-01 -4.586D-01 6.850D-01 43.24 219.01 2400 -2.462D+06 5.122D+06 2.518D+06 -1.870D+03 2.368D+03 -6.699D+03 -2.845D-01 8.713D-01 4.000D-01 -3947. -3744. -203. 3991. 80.99 0.0038 1.5575 -4.3 762. 9.6004674D-01 2.7660976D-01 -4.2394551D-02 18.024 92.060 -40.34 -129.53 -1.69 -6.31 -7.05 -142.59 -147.22 832.31 -157.09 29.10 24.48 -6.650D-01 -6.307D-01 4.000D-01 23.58 223.49 2700 -2.863D+06 5.510D+06 3.977D+05 -7.789D+02 1.897D+02 -7.296D+03 -3.394D-01 9.386D-01 6.283D-02 -4390. -4355. -35. 3584. 81.90 0.0022 1.3851 -4.8 827. 9.6818492D-01 2.4292899D-01 6.0028891D-02 16.205 90.539 -40.39 -129.53 -1.52 -5.64 -7.05 -142.94 -147.06 759.51 -157.49 28.96 24.84 -7.021D-01 -7.093D-01 6.283D-02 3.60 225.29 3000 -2.921D+06 5.236D+06 -1.771D+06 3.958D+02 -1.993D+03 -7.018D+03 -3.292D-01 9.014D-01 -2.814D-01 -4305. -4404. 98. 3371. 82.32 0.0006 1.2172 -5.4 957. 9.6121629D-01 2.2823334D-01 1.5483147D-01 15.366 88.960 -40.73 -129.53 -1.44 -5.33 -7.03 -143.44 -147.33 717.11 -157.74 28.58 24.69 -6.729D-01 -6.842D-01 -2.814D-01 -16.34 225.48 3300 -2.632D+06 4.341D+06 -3.731D+06 1.502D+03 -3.902D+03 -5.924D+03 -2.583D-01 7.665D-01 -5.880D-01 -3718. -3932. 215. 3331. 82.30 -0.0007 1.0957 -6.0 1123. 9.4241013D-01 2.2816256D-01 2.4455061D-01 15.404 87.525 -41.20 -129.53 -1.44 -5.34 -6.99 -143.94 -147.84 703.53 -157.82 28.12 24.22 -5.814D-01 -5.623D-01 -5.880D-01 -36.02 224.04 3600 -2.039D+06 2.944D+06 -5.260D+06 2.408D+03 -5.315D+03 -4.182D+03 -1.393D-01 5.541D-01 -8.208D-01 -2722. -3048. 327. 3419. 81.95 -0.0016 1.0274 -6.3 1298. 9.1138795D-01 2.4491604D-01 3.3073877D-01 16.108 86.402 -41.68 -129.53 -1.51 -5.60 -6.95 -144.32 -148.42 712.74 -157.77 27.71 23.62 -4.406D-01 -3.636D-01 -8.208D-01 -55.16 219.53 3900 -1.217D+06 1.216D+06 -6.199D+06 3.021D+03 -6.098D+03 -2.032D+03 1.078D-02 2.928D-01 -9.561D-01 -1455. -1891. 436. 3592. 81.35 -0.0023 1.0030 -6.5 1458. 8.6730760D-01 2.8247014D-01 4.0986356D-01 17.298 85.706 -42.09 -129.53 -1.62 -6.04 -6.90 -144.59 -149.01 741.32 -157.60 27.36 22.94 -2.691D-01 -1.160D-01 -9.561D-01 -72.96 203.32 4200 -2.614D+05 -6.463D+05 -6.464D+06 3.290D+03 -6.203D+03 2.693D+02 1.734D-01 1.504D-02 -9.847D-01 -72. -604. 532. 3822. 80.58 -0.0028 1.0114 -6.6 1587. 8.1089799D-01 3.4307342D-01 4.7407285D-01 18.833 85.485 -42.42 -129.53 -1.76 -6.62 -6.86 -144.74 -149.59 788.77 -157.33 27.07 22.22 -8.807D-02 1.502D-01 -9.847D-01 -79.98 120.39 4500 7.221D+05 -2.441D+06 -6.047D+06 3.210D+03 -5.660D+03 2.476D+03 3.312D-01 -2.487D-01 -9.102D-01 1278. 684. 594. 4088. 79.70 -0.0031 1.0437 -6.5 1677. 7.4532590D-01 4.2532815D-01 5.1340555D-01 20.594 85.736 -42.65 -129.53 -1.92 -7.29 -6.82 -144.80 -150.17 854.23 -156.98 26.84 21.47 8.231D-02 4.059D-01 -9.102D-01 -65.54 78.54 4800 1.632D+06 -3.986D+06 -5.009D+06 2.805D+03 -4.555D+03 4.379D+03 4.691D-01 -4.726D-01 -7.461D-01 2467. 1866. 601. 4374. 78.77 -0.0031 1.0938 -6.4 1723. 6.7629713D-01 5.2342402D-01 5.1831408D-01 22.464 86.409 -42.80 -129.53 -2.09 -8.03 -6.79 -144.80 -150.73 933.95 -156.59 26.64 20.71 2.252D-01 6.266D-01 -7.461D-01 -48.25 70.23 5100 2.378D+06 -5.130D+06 -3.467D+06 2.127D+03 -3.012D+03 5.815D+03 5.756D-01 -6.373D-01 -5.124D-01 3390. 2858. 532. 4668. 77.84 -0.0030 1.1571 -6.2 1726. 6.1156053D-01 6.2731235D-01 4.8215446D-01 24.323 87.424 -42.88 -129.53 -2.26 -8.78 -6.77 -144.75 -151.27 1020.44 -156.21 26.50 19.99 3.281D-01 7.936D-01 -5.124D-01 -30.82 67.54 5400 2.887D+06 -5.765D+06 -1.580D+06 1.242D+03 -1.181D+03 6.663D+03 6.426D-01 -7.300D-01 -2.328D-01 3971. 3592. 379. 4959. 76.98 -0.0027 1.2305 -5.9 1687. 5.5993619D-01 7.2375216D-01 4.0330420D-01 26.042 88.682 -42.88 -129.53 -2.42 -9.50 -7.06 -144.93 -152.01 1096.10 -155.90 26.17 19.09 3.829D-01 8.940D-01 -2.328D-01 -13.46 66.81 5700 3.110D+06 -5.827D+06 4.645D+05 2.314D+02 7.716D+02 6.850D+03 6.650D-01 -7.438D-01 6.731D-02 4158. 4008. 149. 5234. 76.26 -0.0021 1.3114 -5.6 1612. 5.3003986D-01 7.9805596D-01 2.8664337D-01 27.484 90.067 -42.81 -129.53 -2.55 -10.12 -7.31 -145.01 -152.59 1156.25 -155.67 25.97 18.39 3.857D-01 9.202D-01 6.731D-02 3.86 67.26 6000 3.023D+06 -5.307D+06 2.462D+06 -8.146D+02 2.670D+03 6.350D+03 6.406D-01 -6.774D-01 3.617D-01 3928. 4057. -129. 5473. 75.75 -0.0013 1.3974 -5.3 1505. 5.2876631D-01 8.3641335D-01 1.4428756D-01 28.504 91.457 -42.68 -129.53 -2.64 -10.58 -7.51 -144.98 -152.92 1195.61 -155.52 25.92 17.99 3.361D-01 8.696D-01 3.617D-01 21.20 68.87