<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-06-02 -153 21:30:00.000"
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="20.0">
<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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 80% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.06.02 (153) 21:30:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.00" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="73.46457" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202615306022130001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.775" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.872" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.615" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.025" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.025" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.125" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="227.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="227.500" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.675" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="258.322" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.482" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.025" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.025" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="228.823" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="213.798" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.667" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="21.457" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.875" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="11.394" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="21.360" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.170" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="31">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
3.025 3.05 3.075 3.1 3.125 3.15 3.175 3.2 3.225 3.25 3.275 3.3 3.325 3.35 3.375 3.4 3.425 3.45 3.475 3.5 3.525 3.55 3.575 3.6 3.625 3.65 3.675 3.7 3.725 3.75 3.775
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
227.500 227.500 227.500 227.500 228.750 230.000 232.500 232.500 233.750 235.000 235.000 237.500 240.000 240.000 240.000 240.000 240.000 242.500 245.000 245.000 245.000 247.500 250.000 250.000 252.500 255.000 258.322 262.371 267.414 273.868 282.421
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 69 69 66 0 69 69 66 0 78 69 60 48 51 84 87 87 87 66 66 66 66 69 72 66 57 63 69 0 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
3.125 3.125 -3.125 3.125 -3.125 3.125 3.125 -3.125 3.125 -3.125 3.125 -3.125 3.125 3.125 -3.125 3.125 3.125 3.125 -3.125 -3.125 3.125 -3.125 -3.125 -3.125 -3.125 3.125 -3.125 3.125 -3.125 -3.125 -3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="318">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
91.786 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 137.41667 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 164.83333 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 192.25 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 228.823 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.2099743 0.2529017 0.28876123 0.31880146 0.34440583 0.36653897 0.38583416 0.4027383 0.41756117 0.43052837 0.44181135 0.4515372 0.45980552 0.4666925 0.47225717 0.47654226 0.4795816 0.48139644 0.482 0.48176757 0.48100457 0.47971436 0.4779694 0.47571233 0.47289044 0.46958506 0.46568748 0.4612866 0.45628664 0.4506646 0.44452462 0.4376824 0.430206 0.4220074 0.41302714 0.40336153 0.39273986 0.3811848 0.36860505 0.3549362 0.33989766 0.32337502 0.30507892 0.28469822 0.2618292 0.23604113 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.21 0.2116535 0.22157447 0.23149544 0.24141641 0.25133738 0.26125836 0.27117932 0.2811003 0.2910213 0.30094224 0.31086323 0.32078418 0.33070517 0.34062615 0.3505471 0.3604681 0.37038904 0.38031003 0.390231 0.40015197 0.41007295 0.4199939 0.4299149 0.43983588 0.44975683 0.45967782 0.46959877 0.47951975 0.482 0.52290124 0.5823869 0.64712965 0.7167999 0.791113 0.8699491 0.95326275 1.0410545 1.1334152 1.2304351 1.3321812 1.438693 1.5499542 1.6657968 1.7860358 1.910255 2.0378985 2.1682289 2.3002794 2.4330213 2.5651798 2.6954916 2.8226225 2.9453027 3.062308 3.1726222 3.2752736 3.3695364 3.4547794 3.5305347 3.5964556 3.6522508 3.6977572 3.7328334 3.7574015 3.7714124 3.775 3.7749114 3.7711515 3.7620842 3.7480302 3.7293112 3.7062478 3.679157 3.6483498 3.6141298 3.5767922 3.536622 3.493893 3.4488678 3.401797 3.3529186 3.3024583 3.2506292 3.1976316 3.1436536 3.0888712 3.033449 2.9775393 2.9212837 2.8648138 2.8082497 2.751703 2.6952755 2.6390603 2.5831418 2.5275972 2.472496 2.4179008 2.3638678 2.310447 2.2576828 2.2056146 2.1542761 2.1036975 2.0539043 2.004918 1.9567566 1.909435 1.8629647 1.817355 1.7726122 1.7287402 1.6857413 1.6436154 1.602361 1.5619746 1.5224519 1.4837868 1.4459723 1.4090003 1.3728619 1.3375473 1.303046 1.2693471 1.2364388 1.2043091 1.1729456 1.1423355 1.112466 1.0833236 1.0548949 1.0271666 1.000125 0.97375643 0.9480473 0.9229839 0.89855266 0.8747401 0.85153276 0.8289174 0.80688065 0.78540957 0.7644912 0.74411285 0.7242619 0.7049259 0.68609273 0.66775036 0.64988697 0.632491 0.615551 0.59905577 0.5829944 0.56735605 0.5521303 0.53730667 0.52287513 0.5088258 0.4951489 0.481835 0.4688749 0.45625943 0.4439798 0.43202734 0.4203936 0.40907028 0.39804935 0.387323 0.37688345 0.36672324 0.3568351 0.3472118 0.3378465 0.3287323 0.31986266 0.31123108 0.3028313 0.29465714 0.2867027 0.27896205 0.2714296 0.26409975 0.25696716 0.25002658 0.24327284 0.236701 0.2303062 0.22408368 0.21802887 0.21213727 0.2064045 0.20082633 0.19539861 0.1901173 0.18497847 0.17997831 0.17511308 0.17037918 0.16577305 0.16129129 0.15693052 0.1526875 0.14855908 0.14454216 0.14063375 0.1368309 0.13313079 0.12953065 0.12602778 0.12261957 0.11930345 0.11607695 0.11293765 0.109883204 0.10691131 0.104019746 0.101206355 0.09846901 0.09580567 0.093214326 0.09069305 0.08823994 0.08585315 0.0835309 0.08127145 0.07907309 0.07693417 0.0748531 0.07282831 0.07085827 0.068941504 0.06707658 0.065262094 0.06349667 0.061779007 0.060107794 0.058481783 0.05689975 0.055360507 0.053862896 0.052405793 0.0509881

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.482" PeakHeight="110.0" Num="3" Error="0.0">
-21.996 4.149 -0.367
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.482" EndFrequency="3.775" PeakHeight="228.823" Num="5" zHalfNm="213.798" Error="0.463">
-36.753 0.504 -0.571 0.358 -0.111
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="7" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.005" EndDistance="6480.001" A="-1.0182599E12" B="3.1427776E8" C="-24249.594" Error="0.00915"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6507.417" A="-4.45473096E11" B="1.37491696E8" C="-10608.695" Error="0.00503"/>
<QuasiParabolic ID="2" StartDistance="6507.417" EndDistance="6534.833" A="0.0" B="-1192.9493" C="0.22732651" Error="0.0153"/>
<QuasiParabolic ID="3" StartDistance="6534.833" EndDistance="6561.0" A="1.93527169E11" B="-5.9395144E7" C="4557.2285" Error="0.0166"/>
<QuasiParabolic ID="4" StartDistance="6561.0" EndDistance="6569.0" A="1.75080535E13" B="-5.3374095E9" C="406783.6" Error="0.0298"/>
<QuasiParabolic ID="5" StartDistance="6569.0" EndDistance="6588.0" A="3.13374403E13" B="-9.5479091E9" C="727266.1" Error="0.029"/>
<QuasiParabolic ID="6" StartDistance="6588.0" EndDistance="6598.823" A="-6.9124164E13" B="2.09504522E10" C="-1587424.4" Error="0.00986"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="82.25" Depth="0.272"/>
<TopsideChapman PeakHeight="228.823" PeakDensity="176806.77" PeakScaleHeight="11.394" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
