DUDENEY PROFILE effect of field 1 0. OF DUPLICATE W CARDS, THE LAST ONE DOMINATES 1 -1. EXTRAORDINARY RAY 1 1. ordinary ray 24 78.5 1 ACCEPTED STANDARD LAT. OF NORTH MAGNETIC POLE, DEG NORTH 25 291. 1 ACCEPTED STANDARD LONG. OF NORTH MAGNETIC POLE, DEG EAST 1 0. no magnetic field 24 90.0 1 put the magnetic pole at the geog pole for no-field case 25 0. 1 ditto 3 0. TRANSMITTER HEIGHT, KM 4 -34.7 1 TRANSMITTER LATITUDE, DEG NORTH 5 138.6 1 TRANSMITTER LONGITUDE, DEG EAST 7 10.00 INITIAL FREQUENCY, MC/S 8 20.00 final frequency 9 5. STEP FREQUENCY 11 0.0 1 INITIAL AZIMUTH ANGLE, DEGS CLOCKWISE FROM NORTH POLE 12 0. 1 final azimuth angle 13 0. 1 STEP AZIMUTH ANGLE 15 10.0 1 INITIAL ELEVATION ANGLE, DEG 16 30.0 1 FINAL ELEVATION ANGLE, DEG 17 5.0 1 STEP IN ELEVATION ANGLE, DEG 20 200. RECEIVER HEIGHT ABOVE THE EARTH, KM 20 0. rx height above the earth 22 1. NUMBER OF HOPS 42 0.0001 max allowable single step error 45 10. max step length 46 0.00001 minimum step length in km 57 2. INTEGRATE AND PRINT PHASE PATH 57 0. do not do phase path 58 2. INTEGRATE AND PRINT ABSORPTION 58 0. do not do absorption 71 100.0 NUMBER OF STEPS FOR EACH PRINTING 72 1. PUNCH RAYSETS 81 1. PLOT PROJECTION OF RAY PATH ON A VERTICAL PLANE 83 40.0 1 LEFT LATITUDE OF PLOT, DEG 84 -105. 1 LEFT LONGITUDE OF PLOT, DEG 85 52.12 1 RIGHT LATITUDE OF PLOT, DEG 86 -81.8 1 RIGHT LONGITUDE OF PLOT, DEG 87 100.0 1 DISTANCE BETWEEN TIC MARKS, KM 101 6.5 CRITICAL FREQUENCY, MC/S 101 8.978 critical freq MHz 102 300.0 HMAX, KM 103 62. SCALE HEIGHT, KM 103 100.0 ym for qp layer 104 0.5 ALPHA CHAPMAN LAYER 104 0. 150 1. CALL PERTURBATION SUBROUTINE 150 0. no perturbation 151 250. Z0, KM 152 100. SH, SCALE HEIGHT, KM 153 0.1 DELTA 155 100. LAMBDAX, HORIZONTAL WAVELENGTH, KM 156 100. LAMBDAZ, VERTICAL WAVELENGTH, KM 201 0.8 GYROFREQUENCY ON THE GROUND AT THE EQUATOR, MHZ 251 3.65 E4 COLLISION FREQUENCY AT H1, /SEC 252 100.0 H1, REFERENCE HEIGHT, KM 253 .148 A1, EXPONENTIAL DECREASE OF NU WITH HEIGHT, /KM 254 30. COLLISION FREQUENCY AT H2, /SEC 255 140. H2, REFERENCE HEIGHT, KM 256 .0183 A2, EXPONENTIAL DECREASE OF NU WITH HEIGHT, /KM 300 0. data for q-p layer with latitudinal gradients 300 0.5 gradient of FC with latitude (A) 300 0.0 gradient of FC with latitude (A) 301 0.5 gradient of HMAX with latitude (B) 301 0.0 gradient of HMAX with latitude (B) 302 -34.7 1 starting latitude for gradients (TH00) 303 10. starting FC for gradients (FC0) 304 250. starting HMAX for gradients (HM0) 305 100. semi-thickness of q-p (YM) 0 (A BLANK IN COL. 1-3 ENDS THE CURRENT W ARRAY)