<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-08 -128 01:35:00.000"
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: 95% PACIFIC flags: Multiple candidates for F2x cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.08 (128) 01:35:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.99" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202612805080135001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.075" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.891" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="15.857" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.050" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.050" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.450" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="202.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="202.500" 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="3.900" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="248.116" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.050" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.050" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="222.166" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="199.460" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.363" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="32.204" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.491" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="17.504" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="26.800" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="4.040" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="82">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.05 2.075 2.1 2.125 2.15 2.175 2.2 2.225 2.25 2.275 2.3 2.325 2.35 2.375 2.4 2.425 2.45 2.475 2.5 2.525 2.55 2.575 2.6 2.625 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 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 3.8 3.825 3.85 3.875 3.9 3.925 3.95 3.975 4.0 4.025 4.05 4.075
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
202.500 202.500 202.500 202.500 202.500 203.333 204.167 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 207.500 207.500 207.500 207.500 207.500 207.500 210.000 210.000 211.250 212.500 212.500 212.500 212.500 212.500 212.500 212.500 212.500 212.500 213.333 214.167 215.000 215.000 215.000 215.000 215.000 215.000 217.500 217.500 217.500 217.500 217.500 220.000 220.000 220.000 220.000 222.500 222.500 222.500 225.000 225.000 225.000 227.500 227.500 227.500 227.500 230.000 232.500 233.342 234.275 235.315 236.480 237.795 239.291 241.008 243.000 245.336 248.116 251.480 255.631 260.885 267.747 277.088 290.550 311.630
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
60 63 63 72 66 0 0 48 51 45 51 54 57 69 69 72 72 72 75 78 78 78 78 72 63 66 0 57 0 39 39 42 0 0 54 75 0 0 81 90 90 93 96 93 93 96 99 99 99 108 111 111 108 111 111 102 96 90 90 87 90 90 87 99 96 69 66 66 60 0 87 81 84 87 93 99 99 78 81 90 84 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
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</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="408">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 131.58333 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 153.16667 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 174.75 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 222.166 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
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</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="4.075" PeakHeight="222.166" Num="5" zHalfNm="199.46" Error="0.415">
-54.375 11.441 -6.838 2.87 -0.514
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="14" 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="6501.583" A="-2.82569605E11" B="8.721284E7" C="-6729.2603" Error="0.0016"/>
<QuasiParabolic ID="2" StartDistance="6501.583" EndDistance="6523.167" A="0.0" B="-1648.2983" C="0.30468014" Error="0.018"/>
<QuasiParabolic ID="3" StartDistance="6523.167" EndDistance="6543.0" A="9.7080189E10" B="-2.9861834E7" C="2296.4004" Error="0.018"/>
<QuasiParabolic ID="4" StartDistance="6543.0" EndDistance="6544.0" A="-1.17782256E12" B="3.5983792E8" C="-27483.498" Error="3.08E-11"/>
<QuasiParabolic ID="5" StartDistance="6544.0" EndDistance="6546.0" A="1.82303347E13" B="-5.5717504E9" C="425724.66" Error="0.0135"/>
<QuasiParabolic ID="6" StartDistance="6546.0" EndDistance="6547.0" A="-3.50431609E12" B="1.06883942E9" C="-81500.35" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6547.0" EndDistance="6548.0" A="1.42469004E13" B="-4.3538632E9" C="332636.1" Error="2.79E-10"/>
<QuasiParabolic ID="8" StartDistance="6548.0" EndDistance="6551.0" A="5.6230328E12" B="-1.7198167E9" C="131502.42" Error="0.00758"/>
<QuasiParabolic ID="9" StartDistance="6551.0" EndDistance="6556.0" A="1.51111556E13" B="-4.616511E9" C="352590.38" Error="0.00563"/>
<QuasiParabolic ID="10" StartDistance="6556.0" EndDistance="6559.0" A="3.35970273E13" B="-1.02558863E10" C="782683.06" Error="0.00235"/>
<QuasiParabolic ID="11" StartDistance="6559.0" EndDistance="6568.0" A="6.905469E13" B="-2.10677965E10" C="1606887.2" Error="0.0154"/>
<QuasiParabolic ID="12" StartDistance="6568.0" EndDistance="6577.0" A="-5.0012667E13" B="1.51890104E10" C="-1153222.9" Error="0.00807"/>
<QuasiParabolic ID="13" StartDistance="6577.0" EndDistance="6592.166" A="-2.76476818E13" B="8.3880417E9" C="-636196.25" Error="0.00331"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="64.75" Depth="0.128"/>
<TopsideChapman PeakHeight="222.166" PeakDensity="206025.12" PeakScaleHeight="17.504" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
