<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-06-02 -153 23:15:00.000"
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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 80% PACIFIC flags: Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.06.02 (153) 23:15:00</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">
FF202615306022315001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.000" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.603" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.411" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.175" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.175" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.400" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="247.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="247.500" 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="3.875" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="291.159" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.175" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.175" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="255.354" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="236.493" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.161" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="27.123" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.213" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="14.287" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="26.760" 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="34">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
247.500 250.000 251.250 252.500 252.500 252.500 255.000 255.000 255.000 256.250 257.500 262.500 262.500 262.500 267.500 267.500 270.000 270.797 271.678 272.657 273.750 274.979 276.371 277.960 279.793 281.929 284.450 287.472 291.159 295.758 301.655 309.492 320.412 336.682
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
90 87 0 87 84 87 87 87 87 0 87 84 84 87 81 81 81 75 72 75 75 78 72 72 0 0 0 0 81 87 102 96 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 -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="390">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 142.08333 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 174.16667 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 206.25 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 255.354 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0
</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 0.35354906 0.35298675 0.3521277 0.3511249 0.34983355 0.34833378 0.34655926 0.3445913 0.34229675 0.3398302 0.33706498 0.33401984 0.33071515 0.327109 0.32322994 0.31904808 0.31454307 0.3097052 0.30453598 0.29904887 0.29310012 0.2867813 0.2800439 0.2727352 0.26502842 0.25670934 0.24776544 0.23820302 0.22786881 0.21668318 0.20459439 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 0.204 0.2088 0.2136 0.2184 0.2232 0.228 0.2328 0.2376 0.2424 0.2472 0.252 0.2568 0.2616 0.2664 0.2712 0.276 0.2808 0.2856 0.2904 0.2952 0.3 0.3048 0.3096 0.3144 0.3192 0.324 0.3288 0.3336 0.3384 0.3432 0.348 0.3528 0.354 0.38285992 0.42388222 0.4676861 0.51420075 0.56338733 0.6152622 0.6698789 0.72729194 0.78760403 0.8509221 0.9173648 0.98703873 1.0600572 1.1365322 1.2165561 1.3002046 1.3874981 1.4784669 1.573059 1.6711757 1.7726461 1.8772572 1.9846802 2.094524 2.206333 2.3195455 2.4335613 2.547717 2.661332 2.7736773 2.8840792 2.991813 3.0962684 3.1968515 3.2929802 3.3842275 3.4701252 3.550347 3.624571 3.6925466 3.7540784 3.8089695 3.857112 3.8983893 3.9327164 3.960034 3.9803 3.9934795 3.9995542 4.0 3.999209 3.9949405 3.9871247 3.9759333 3.9615397 3.9441168 3.9238362 3.9008675 3.8753777 3.8475313 3.8174884 3.7854056 3.7514348 3.7157233 3.6784134 3.6396422 3.5995417 3.5582387 3.5158546 3.4725049 3.4283004 3.3833458 3.3377416 3.291582 3.244957 3.1979508 3.1506436 3.1031103 3.0554216 3.0076437 2.9598382 2.9120634 2.864373 2.816817 2.7694423 2.7222922 2.6754065 2.6288216 2.5825717 2.5366879 2.4911985 2.446129 2.4015036 2.3573427 2.3136659 2.27049 2.2278304 2.1857004 2.144112 2.1030753 2.062599 2.0226903 1.9833558 1.9446001 1.9064271 1.8688399 1.8318398 1.7954283 1.759605 1.7243699 1.6897212 1.6556572 1.6221751 1.589272 1.5569443 1.5251878 1.4939982 1.4633704 1.4332994 1.4037797 1.3748055 1.3463706 1.3184689 1.2910941 1.2642392 1.2378978 1.2120627 1.1867272 1.1618841 1.137526 1.1136459 1.0902365 1.0672905 1.0448005 1.0227593 1.0011593 0.97999346 0.9592543 0.9389347 0.91902727 0.8995248 0.8804203 0.86170655 0.8433766 0.82542336 0.80784 0.7906197 0.7737556 0.7572412 0.74106973 0.72523475 0.70972985 0.6945486 0.6796848 0.6651323 0.6508849 0.6369367 0.62328184 0.6099144 0.59682876 0.58401924 0.57148033 0.5592066 0.5471927 0.5354333 0.5239233 0.5126576 0.50163126 0.4908393 0.48027697 0.46993953 0.45982236 0.4499209 0.44023064 0.43074727 0.42146647 0.412384 0.40349573 0.39479762 0.3862857 0.37795603 0.36980483 0.36182833 0.35402286 0.3463848 0.33891064 0.3315969 0.3244402 0.31743726 0.31058475 0.30387956 0.2973185 0.29089853 0.28461665 0.27846992 0.27245548 0.2665705 0.26081225 0.255178 0.24966508 0.24427095 0.23899303 0.23382887 0.22877602 0.2238321 0.21899477 0.21426176 0.20963083 0.20509979 0.2006665 0.19632886 0.19208482 0.18793237 0.18386956 0.17989443 0.17600513 0.17219979 0.1684766 0.16483383 0.16126971 0.15778257 0.15437075 0.15103263 0.1477666 0.14457116 0.14144473 0.13838586 0.13539308 0.13246498 0.12960014 0.12679721 0.12405487 0.1213718 0.11874671 0.11617837 0.113665536 0.11120703 0.10880167 0.1064483 0.10414582 0.101893105 0.0996891 0.09753275 0.09542303 0.09335891 0.09133943 0.08936362 0.08743054 0.085539244 0.08368886 0.08187849 0.080107264 0.07837435 0.07667891 0.075020134 0.073397234 0.07180943 0.07025598 0.06873612 0.067249134 0.065794304 0.064370945 0.06297837 0.06161592 0.060282942 0.058978792 0.05770285 0.05645451 0.055233173 0.054038253 0.052869182 0.0517254 0.05060636

</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="4.0" PeakHeight="255.354" Num="5" zHalfNm="236.493" Error="0.934">
-49.715 0.972 -0.806 0.583 -0.138
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" 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="6512.083" A="-1.47549225E11" B="4.5539884E7" C="-3513.7546" Error="0.00163"/>
<QuasiParabolic ID="2" StartDistance="6512.083" EndDistance="6544.167" A="0.0" B="-1642.2052" C="0.2922044" Error="0.0316"/>
<QuasiParabolic ID="3" StartDistance="6544.167" EndDistance="6575.0" A="5.8071097E10" B="-1.781507E7" C="1366.3496" Error="0.0316"/>
<QuasiParabolic ID="4" StartDistance="6575.0" EndDistance="6580.0" A="9.2102638E12" B="-2.80175206E9" C="213072.58" Error="0.0298"/>
<QuasiParabolic ID="5" StartDistance="6580.0" EndDistance="6588.0" A="8.6691529E12" B="-2.63728077E9" C="200574.77" Error="0.0293"/>
<QuasiParabolic ID="6" StartDistance="6588.0" EndDistance="6600.0" A="2.56407073E13" B="-7.7895439E9" C="591608.7" Error="0.0218"/>
<QuasiParabolic ID="7" StartDistance="6600.0" EndDistance="6612.0" A="1.98689591E13" B="-6.0405294E9" C="459107.6" Error="0.0268"/>
<QuasiParabolic ID="8" StartDistance="6612.0" EndDistance="6625.354" A="-5.0124215E13" B="1.51310295E10" C="-1141887.5" Error="0.00968"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="96.25" Depth="0.154"/>
<TopsideChapman PeakHeight="255.354" PeakDensity="198511.17" PeakScaleHeight="14.287" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
