<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-30 -089 03:35:00.000"
URSICode="SMK29"
StationName="Santa Maria"
GeoLatitude="-29.69"
GeoLongitude="307.81"
Source="Ionosonde"
SourceType="DPS-4D"
ScalerType="auto">
<SystemInfo UMLStationID="129">
<FrequencyStepping StartFrequency="2.0" StopFrequency="15.0">
<LinearStepping Step="0.025" Units="MHz" />
</FrequencyStepping>
<RangeStepping StartRange="80.0" StopRange="1360.0" >
<LinearStepping Step="2.5" Units="km" />
</RangeStepping>
<AutoScaler Name="Artist5" Version="500200" ArtistFlags="2 2 0 0 0 0 0 0 0 11 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 90% PACIFIC flags: One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.30 (089) 03:35:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.18" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202608903300335001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.175" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.464" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.997" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.650" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.650" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.475" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="275.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="275.000" Name="h`F2" Units="km" QL="/" DL="/" />
<URSI ID="90" Val="110.000" Name="hmE" Units="km" QL="/" DL="/" />
<URSI ID="83" Val="20.000" Name="yE" Units="km" QL="/" DL="/" />
<URSI ID="86" Val="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.100" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="315.789" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.650" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.650" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="273.691" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="252.831" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.031" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="29.862" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.850" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="15.690" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="29.880" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.080" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="22">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.65 2.675 2.7 2.725 2.75 2.775 2.8 2.825 2.85 2.875 2.9 2.925 2.95 2.975 3.0 3.025 3.05 3.075 3.1 3.125 3.15 3.175
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
275.000 277.500 278.750 280.000 282.500 284.722 286.944 289.167 291.389 292.730 294.212 295.859 297.699 299.771 302.119 304.803 307.901 311.516 315.789 320.919 327.193 335.039
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
72 72 0 72 72 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 7.8125 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="419">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 147.15266 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 184.30533 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 221.458 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 273.691 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.21213934 0.23390245 0.2526677 0.26895854 0.28319094 0.29565945 0.30659118 0.31614733 0.32445762 0.331616 0.33769703 0.34275886 0.34684667 0.3499937 0.352225 0.3535571 0.354 0.3538872 0.35362422 0.35321164 0.35265058 0.35186794 0.35086685 0.3497987 0.34844553 0.34695965 0.3453451 0.3434644 0.3413979 0.3392231 0.3367418 0.33417124 0.3313214 0.32827562 0.32504994 0.321539 0.31788927 0.31394622 0.30974555 0.30529785 0.30059338 0.29563248 0.2902625 0.28466517 0.2787535 0.2724855 0.26579615 0.2586961 0.25110114 0.24306668 0.23452905 0.22539099 0.21562141 0.2052173 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.20287943 0.2070245 0.21116956 0.21531461 0.21945967 0.22360472 0.2277498 0.23189485 0.2360399 0.24018496 0.24433002 0.24847509 0.25262013 0.25676522 0.26091027 0.26505533 0.26920038 0.27334544 0.2774905 0.28163555 0.2857806 0.28992566 0.29407072 0.2982158 0.30236086 0.30650592 0.31065097 0.31479603 0.3189411 0.32308614 0.3272312 0.33137625 0.33552134 0.3396664 0.34381145 0.3479565 0.35210156 0.354 0.37111577 0.40379196 0.43803248 0.4740007 0.5118454 0.5516895 0.5936294 0.63776433 0.6841741 0.7329181 0.7840246 0.83752745 0.8934088 0.9516531 1.0122102 1.0750204 1.139988 1.2069823 1.2758926 1.3465556 1.4188162 1.4924685 1.567332 1.6431822 1.7198128 1.7969841 1.8744681 1.9520007 2.0293527 2.1062524 2.1824424 2.2576687 2.3316727 2.404172 2.474908 2.5436182 2.610036 2.6738977 2.7349603 2.7929466 2.8476405 2.8987906 2.9461796 2.9896002 3.0288382 3.0637193 3.0940864 3.1197867 3.1407006 3.15672 3.1677678 3.1737914 3.175 3.1748803 3.1728797 3.1684928 3.161823 3.1529737 3.1420481 3.1291504 3.1143827 3.0978472 3.0796437 3.0598712 3.0386262 3.016003 2.9920936 2.966988 2.9407732 2.9135334 2.88535 2.8563018 2.826464 2.79591 2.7647088 2.7329278 2.700631 2.667879 2.6347303 2.6012404 2.5674615 2.533444 2.499235 2.464879 2.430419 2.3958943 2.3613427 2.3267994 2.2922976 2.2578685 2.223541 2.1893425 2.155298 2.1214314 2.087764 2.0543168 2.021108 1.9881548 1.9554734 1.9230782 1.8909824 1.8591982 1.8277365 1.7966073 1.7658193 1.7353806 1.7052982 1.6755782 1.646226 1.6172463 1.5886428 1.5604191 1.5325775 1.5051203 1.4780487 1.4513639 1.4250665 1.3991562 1.373633 1.3484961 1.3237443 1.2993761 1.27539 1.2517838 1.2285554 1.2057021 1.1832212 1.1611098 1.1393647 1.1179827 1.0969604 1.0762941 1.0559801 1.0360146 1.0163937 0.99711335 0.9781695 0.95955795 0.9412746 0.9233151 0.9056752 0.8883505 0.8713367 0.85462946 0.83822435 0.8221169 0.80630285 0.79077774 0.7755372 0.7605768 0.7458922 0.73147917 0.71733326 0.7034502 0.68982583 0.6764558 0.663336 0.6504622 0.6378303 0.62543625 0.613276 0.60134554 0.58964086 0.5781582 0.5668935 0.5558431 0.5450032 0.53437 0.52393985 0.51370925 0.50367445 0.49383202 0.48417848 0.47471043 0.46542445 0.45631722 0.44738546 0.438626 0.43003562 0.4216112 0.41334966 0.40524802 0.39730325 0.38951245 0.38187274 0.37438127 0.36703527 0.35983202 0.35276878 0.34584296 0.33905193 0.3323931 0.32586405 0.31946224 0.31318527 0.30703077 0.30099636 0.2950798 0.2892788 0.28359115 0.2780147 0.27254725 0.26718676 0.26193118 0.25677845 0.2517266 0.2467737 0.24191782 0.23715708 0.23248966 0.22791372 0.22342753 0.21902932 0.21471739 0.21049006 0.2063457 0.2022827 0.19829945 0.19439441 0.19056608 0.18681294 0.18313351 0.1795264 0.17599016 0.17252344 0.16912484 0.16579306 0.1625268 0.15932475 0.15618567 0.15310834 0.15009154 0.14713408 0.1442348 0.14139257 0.13860628 0.13587481 0.1331971 0.13057208 0.12799874 0.12547606 0.12300304 0.120578706 0.11820211 0.11587231 0.11358838 0.111349426 0.10915457 0.10700294 0.104893684 0.10282598 0.100798994 0.09881195 0.09686404 0.094954506 0.093082584 0.09124755 0.089448676 0.087685235 0.08595654 0.08426192 0.082600676 0.08097218 0.079375766 0.07781082 0.07627671 0.074772835 0.073298596 0.07185342 0.07043672 0.06904794 0.06768654 0.06635197 0.06504371 0.063761234 0.06250403 0.06127162 0.060063496 0.05887919 0.05771823 0.056580152 0.05546451 0.054370865 0.05329878 0.052247826 0.051217593 0.05020767

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.354" PeakHeight="110.0" Num="3" Error="0.0">
-18.791 2.435 -0.142
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.354" EndFrequency="3.175" PeakHeight="273.691" Num="5" zHalfNm="252.831" Error="0.434">
-52.335 0.123 -0.061 -0.015 0.055
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.0205" EndDistance="6480.001" A="-5.5027394E11" B="1.69837632E8" C="-13104.63" Error="0.0016"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6517.153" A="-1.10187045E11" B="3.4008348E7" C="-2623.9756" Error="0.00178"/>
<QuasiParabolic ID="2" StartDistance="6517.153" EndDistance="6554.305" A="0.0" B="-592.065" C="0.13088216" Error="0.0137"/>
<QuasiParabolic ID="3" StartDistance="6554.305" EndDistance="6589.0" A="3.9247188E10" B="-1.2041134E7" C="923.576" Error="0.0137"/>
<QuasiParabolic ID="4" StartDistance="6589.0" EndDistance="6590.0" A="-1.22236423E12" B="3.70903584E8" C="-28135.82" Error="3.08E-11"/>
<QuasiParabolic ID="5" StartDistance="6590.0" EndDistance="6592.0" A="7.8745583E12" B="-2.38992256E9" C="181335.06" Error="0.0191"/>
<QuasiParabolic ID="6" StartDistance="6592.0" EndDistance="6600.0" A="5.2502069E12" B="-1.59369946E9" C="120941.92" Error="0.0202"/>
<QuasiParabolic ID="7" StartDistance="6600.0" EndDistance="6612.0" A="1.10341558E13" B="-3.34641126E9" C="253723.12" Error="0.0282"/>
<QuasiParabolic ID="8" StartDistance="6612.0" EndDistance="6630.0" A="1.03058694E13" B="-3.12611891E9" C="237064.6" Error="0.0375"/>
<QuasiParabolic ID="9" StartDistance="6630.0" EndDistance="6643.691" A="-2.77642016E13" B="8.3580652E9" C="-629012.7" Error="0.0109"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="111.458" Depth="0.154"/>
<TopsideChapman PeakHeight="273.691" PeakDensity="125069.79" PeakScaleHeight="15.69" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
