# # pointing model file # format is az za # is comment #! is archived date and codes # units are great circle arcseconds # history: 23aug00 copied from lbnarrow updated from a few strips.. # 23jan04 horn was moved 14jan04.data taken 16jan04. try to make # offsets as close as possible to the other feeds # (absorb errors in model, move turret for residual). # za still off by 116 asecs (about 3 "). # 30mar09 800 rfi feed tur=188.5 was 182.71 # manually played with azoffset while tracking took me # -346.01-> -94.01. then single cross fit # gave +17.6,-68.13. subtracting gave -111.61,72.22 #!model61017A 13 B enctbl17A 071216 model17 # tur:188.50 ,scl:-.75 format B ..rfi feed pos 30mar09 # 21jun08 after 1,3 az fits. sub cor: from old values # constant oldVals: -39.42 -14.74 cor: 0.59 -0.65 # cos(az) oldVals: -7.71 -104.18 cor: -0.51 -8.13 # sin(az) oldVals: 100.56 -5.25 cor: 9.03 0.68 # cos(3az) oldVals: -24.75 -12.44 cor: -1.65 0.27 # sin(3az) oldVals: -9.25 -7.98 cor: 0.73 -0.46 # -40.01 -14.09 constant # -346.01 4.09 constant -306, + 18 rfi feed. # -94.01 4.09 constant -346 + 252..checking turpos offset 30mar09 -111.61 72.22 constant azoff=17.6,zaoff=-68 from single cross -7.20 -96.05 cos(az) 91.53 -5.93 sin(az) -776.49 125.02 sin(za) -960.35 713.55 sin(za)**2 -23.10 -12.71 cos(3az) -9.98 -7.52 sin(3az) 17.95 -5.13 sin(za-balance)*cos(3az) 115.98 6.49 sin(za-balance)*sin(3az) -0.06 0.17 cos(2az) -0.92 -2.49 sin(2az) -2.16 0.09 cos(6az) 1.67 0.15 sin(6az) # #!model61015B 13 B enctbl15A 061211 model15 # tur:182.71 ,scl:-.75 format B ..feed move 14jan04 # -43.19 7.49 constant need to verify this... # -45.35 -15.65 constant 20may04 from verify run #! -43.35 -16.35 constant sub [-2,.7] dec06 #! -7.65 -101.36 cos(az) -[1.6,5.8] 10dec06 (see modhist:11dec06) #! 96.25 -7.93 sin(az) -[3.9,3.8] 10dec06 #! -766.51 141.69 sin(za) -[35.3,0] 10dec06 #! -1013.97 677.51 sin(za)**2 #! -24.53 -10.41 cos(3az) #! -11.19 -7.71 sin(3az) #! 9.18 -10.39 sin(za-balance)*cos(3az) #! 106.04 0.08 sin(za-balance)*sin(3az) #! 3.02 0.43 cos(2az) #! -1.74 -0.62 sin(2az) #! -3.46 0.03 cos(6az) #! 1.29 -0.36 sin(6az) #!model61015A 13 B enctbl15A 040513 model15 # tur:182.71 ,scl:-.75 format B ..feed move 14jan04 # -43.19 7.49 constant need to verify this... #! -45.35 -15.65 constant 20may04 from verify run #! -6.05 -95.56 cos(az) #! 92.35 -4.13 sin(az) #! -731.21 141.69 sin(za) #! -1013.97 677.51 sin(za)**2 #! -24.53 -10.41 cos(3az) #! -11.19 -7.71 sin(3az) #! 9.18 -10.39 sin(za-balance)*cos(3az) #! 106.04 0.08 sin(za-balance)*sin(3az) #! 3.02 0.43 cos(2az) #! -1.74 -0.62 sin(2az) #! -3.46 0.03 cos(6az) #! 1.29 -0.36 sin(6az) #!model61014A 13 B enctbl14A 030304 model14 done. # tur:182.71 ,scl:-.75 format B .. feed move 14jan04 # tur:330.55 ,scl:-.75 format B .. till 14jan04 # -222.15 180.78 constant same offsets at model 11 tosbn till 14jan04 #! -42. 30.78 constant from calib runs 16jan04. #! -6.41 -100.92 cos(az) #! 99.16 -5.74 sin(az) #! -713.84 175.81 sin(za) #! -1028.24 489.81 sin(za)**2 #! -22.20 -11.42 cos(3az) #! -12.08 -7.80 sin(3az) #! 7.31 4.00 sin(za-balance)*cos(3az) #! 111.56 1.25 sin(za-balance)*sin(3az) #! 2.49 0.43 cos(2az) #! -0.69 -0.42 sin(2az) #! -1.93 -0.30 cos(6az) #! 0.91 -0.19 sin(6az) # #!model61011A 13 B enctbl11A 000206 model11 done. then used to verify feeds # tur:330.55 ,scl:-.75 format B .. # -49.74 -94.38 offsets from lbn # -80.74 223 offsets -31,+317from strips # -209. 94 -129,-222 2nd set of strips... #! -225. 170 -16 ,+76 3rd set of strips... #! -14.28 -95.08 cosaz #! 91.27 -11.98 sinaz #! -969.26 261.77 sinza az enc jump 16sep02 #! -796.59 -348.23 sinza*sinza #! -22.31 -10.79 cos3az #! -13.95 -7.12 sin3az #! 31.40 -14.38 cos3az*sin(za-balance) #! 119.20 18.99 sin3az*sin(za-balance) #! 2.40 3.95 cos2az #! -6.11 -1.75 sin2az #! -2.89 0.91 cos6az #! -0.19 -0.77 sin6az #!modelLB10 13 B enctbl10 981231 # tur:309.12, scl:-.75 format B .. # after dome realignment # -40.99 -76.13 offsets from sband model # -72.99 -46.13 offsets -32,+30 eyeball 6 strips #! -80.66 -50.08 offsets -7.67,-3.95 from verify run #! -16.19 -96.82 cosaz #! 94.12 -14.03 sinaz #! 809.88 62.71 sinza #!-1549.79 325.55 sinza*sinza #! -22.45 -10.42 cos3az #! -11.79 -6.48 sin3a #! 29.68 -9.38 cos3az*sin(za-balance) #! 109.85 10.82 sin3az*sin(za-balance) #! 3.03 5.49 cos2az #! -6.62 -1.19 sin2az #! -1.76 -0.24 cos6az #! 1.05 0.08 sin6az #!modelLB9 13 B enctbl9 980529 # tur:309.12,scl:-.75 format B # -46.73 -32.34 offsets sband offset # -14.63 -12.12 offsets 29may98 keep relative offsets sb/lb # 8oct98 after georges add offsets: 9.46 0 # cosAz : -1.80 -8.14 # sinAz : 6.69 2.13 # -11.18 -8.37 offsets +3.45,+3.75 30may98 after compare with sbsrcs # -11.63 -48.49 cosAz # 45.33 -11.13 sinAz #! -1.72 -8.37 offsets 12oct georges offsets in #! -13.43 -56.63 cosAz #! 52.02 -9.00 sinAz #! 763.56 -234.42 sinZa #!-1578.65 896.11 sinZa*sinZa #! -22.98 -7.86 cos3az #! -14.70 -6.77 sin3az #! 33.33 -20.95 cos3az*sin(za-balance) #! 109.32 22.21 sin3az*sin(za-balance) #! 0.15 2.27 cos2az #! -2.35 -2.04 sin2az #! -3.68 0.55 cos6az #! 0.51 -0.57 sin6az # #!modelLB8 13 B enctbl7 980503 # tur:309.12,scl:-.75 format B # # 20jan98 mean: mean of az,za errors -1.1,-3.4 --> # -13.7119-1.1 = -14.8119, 12.6008-3.4=9.2008 # -6.1219 -4.2892 offsets computed from sband offset used 19jan98 # -13.7119 12.6008 offsets computed from 19jan98 residuals # -15.4669 15.7708 10feb98 via comparison sbTx,lband same src # -15.4669 -2.7708 3may98 tertiary moved #! -15.4669 -12.7708 14may98 .. for tert moves #! -18.2705 -68.6485 cosAz #! 63.6188 -21.3361 sinAz #! 753.4523 -106.8762 sinZa #! -1520.5494 409.2893 sinZa*sinZa #! -21.5628 -8.1415 cos3az #! -12.3515 -7.6062 sin3az #! 25.9566 -46.0313 cos3az*sin(za-9.15) #! 96.0349 16.7237 sin3az*sin(za-9.15) #! 4.8112 2.7913 cos2az #! -4.6584 -1.2751 sin2az #! -1.5199 0.7486 cos6az #! 0.9746 -0.3744 sin6az #!modelLB7 13 B enctbl7 980118 # tur:309.12,scl:-.75 format B # # 20jan98 mean: mean of az,za errors -1.1,-3.4 --> # -13.7119-1.1 = -14.8119, 12.6008-3.4=9.2008 # -6.1219 -4.2892 offsets computed from sband offset used 19jan98 # -13.7119 12.6008 offsets computed from 19jan98 residuals #! -15.4669 15.7708 10feb98 via comparison sbTx,lband same src #! -18.2705 -68.6485 cosAz #! 63.6188 -21.3361 sinAz #! 753.4523 -106.8762 sinZa #! -1520.5494 409.2893 sinZa*sinZa #! -21.5628 -8.1415 cos3az #! -12.3515 -7.6062 sin3az #! 25.9566 -46.0313 cos3az*sin(za-9.15) #! 96.0349 16.7237 sin3az*sin(za-9.15) #! 4.8112 2.7913 cos2az #! -4.6584 -1.2751 sin2az #! -1.5199 0.7486 cos6az #! 0.9746 -0.3744 sin6az # #!modelLB5 10 A none 971221 format a # turret scale -.75 format A #! -40.2787 -19.3645 offsets for sband #! -6.27 2.34 offsets set floor to 309.12 and measured offsets #! -19.2414 -69.6293 cosAz #! 70.5450 -18.9357 sinAz #! 668.467 65.9725 sinZa #! -1242.92 -104.9139 sinZa*sinZa #! -0.186047 -12.3431 sin 57 Za #! -29.7606 -9.40068 cos3Az #! -10.26309 -5.57490 sin3Az #! -55.6470 -2.75763 cos3Az sin (ZA-balance) #! 118.517 19.8289 sin3Az sin (ZA-balance) #! #!modelLB1 4 M none 971205 new model #! 59.7 -24.3 offsets #!-39.3 -75.0 cosAz #! 77.4 -19.4 sinAz #! 151.3 60.6 sinZa #! 0. 0. #! 0. 0. #! 0. 0. #! 0. 0. #! 0. 0. #! 0. 0. # #!modelLB 4 M none 971001 original model #! 19.2 51.4 offsets #!-17.5 -56.9 cosAz #! 63.8 -34.8 sinAz #!237.5 -15.9 sinZa #! 0. 0. #! 0. 0. #! 0. 0. #! 0. 0. #! 0. 0. #! 0. 0.