<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-07 -097 07:40:00.000"
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 F2o cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.04.07 (097) 07:40:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202609704070740001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.675" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.707" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.625" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.425" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.425" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.050" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="217.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="217.500" 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="0.125" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.500" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="268.109" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.425" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.425" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="236.738" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="213.365" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.754" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="33.273" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.262" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="18.060" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="29.060" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.450" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="51">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
217.500 217.500 217.500 220.000 220.000 220.000 220.000 222.500 222.500 222.500 222.500 225.000 225.000 225.000 227.500 227.500 227.500 227.500 228.333 229.167 230.000 232.500 232.500 235.000 235.000 236.667 238.333 240.000 240.000 240.000 242.500 245.000 247.500 247.500 250.000 250.000 250.000 252.500 255.000 257.500 259.678 262.132 264.918 268.109 271.800 276.117 281.236 287.403 294.975 304.496 316.828
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
72 72 63 63 66 66 69 66 66 66 63 63 66 69 39 0 42 42 0 0 63 66 81 81 93 0 0 84 90 90 69 66 87 96 69 72 84 81 69 72 84 84 81 81 81 75 0 78 90 81 66
</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 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 -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 -1.5625 1.5625 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="425">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 135.08333 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 160.16667 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 185.25 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 236.738 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0
</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="3.675" PeakHeight="236.738" Num="5" zHalfNm="213.365" Error="1.209">
-56.938 9.202 -5.916 2.79 -0.626
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="18" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.0205" EndDistance="6480.001" A="-5.5027394E11" B="1.69837632E8" C="-13104.63" Error="0.0016"/>
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<QuasiParabolic ID="2" StartDistance="6505.083" EndDistance="6530.167" A="0.0" B="728.3654" C="-0.07195573" Error="0.0104"/>
<QuasiParabolic ID="3" StartDistance="6530.167" EndDistance="6532.0" A="-2.48509524E12" B="7.608569E8" C="-58237.48" Error="0.0369"/>
<QuasiParabolic ID="4" StartDistance="6532.0" EndDistance="6539.0" A="4.01844503E11" B="-1.23080576E8" C="9424.604" Error="0.0394"/>
<QuasiParabolic ID="5" StartDistance="6539.0" EndDistance="6548.0" A="-9.7761026E10" B="2.9727352E7" C="-2259.746" Error="0.017"/>
<QuasiParabolic ID="6" StartDistance="6548.0" EndDistance="6549.0" A="1.37741114E12" B="-4.20844448E8" C="32145.555" Error="3.8E-11"/>
<QuasiParabolic ID="7" StartDistance="6549.0" EndDistance="6550.0" A="-1.23700353E12" B="3.77571968E8" C="-28811.57" Error="3.65E-11"/>
<QuasiParabolic ID="8" StartDistance="6550.0" EndDistance="6551.0" A="1.37841987E12" B="-4.21030624E8" C="32150.457" Error="0.0"/>
<QuasiParabolic ID="9" StartDistance="6551.0" EndDistance="6552.0" A="-1.23774265E12" B="3.77675712E8" C="-28810.184" Error="0.0"/>
<QuasiParabolic ID="10" StartDistance="6552.0" EndDistance="6553.0" A="1.37941562E12" B="-4.2121264E8" C="32155.045" Error="0.0"/>
<QuasiParabolic ID="11" StartDistance="6553.0" EndDistance="6554.0" A="-2.93787743E12" B="8.9644128E8" C="-68383.17" Error="0.0"/>
<QuasiParabolic ID="12" StartDistance="6554.0" EndDistance="6557.0" A="1.0466634E13" B="-3.19404134E9" C="243676.84" Error="0.0174"/>
<QuasiParabolic ID="13" StartDistance="6557.0" EndDistance="6559.0" A="3.17492429E12" B="-9.6994202E8" C="74079.51" Error="0.00539"/>
<QuasiParabolic ID="14" StartDistance="6559.0" EndDistance="6566.0" A="7.0995851E12" B="-2.16666726E9" C="165307.23" Error="0.00603"/>
<QuasiParabolic ID="15" StartDistance="6566.0" EndDistance="6573.0" A="1.82546197E13" B="-5.5644846E9" C="424050.56" Error="0.0138"/>
<QuasiParabolic ID="16" StartDistance="6573.0" EndDistance="6581.0" A="4.7175782E13" B="-1.43644744E10" C="1093454.9" Error="0.00357"/>
<QuasiParabolic ID="17" StartDistance="6581.0" EndDistance="6606.738" A="-2.32350663E13" B="7.0337485E9" C="-532302.75" Error="0.012"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="75.25" Depth="0.154"/>
<TopsideChapman PeakHeight="236.738" PeakDensity="167563.58" PeakScaleHeight="18.06" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
