<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-06-02 -153 22:35:00.000"
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 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) 22:35:00</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">
FF202615306022235001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.475" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.809" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.235" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.800" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="245.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="245.000" 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="3.400" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="268.658" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="240.498" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="226.343" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.593" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="20.308" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.693" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.680" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="20.280" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.110" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="20">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
245.000 247.500 247.500 247.500 250.000 250.000 251.250 252.500 252.500 255.000 257.500 257.500 257.500 260.000 262.373 265.208 268.658 272.943 278.411 285.630
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 81 81 93 93 81 0 90 90 0 87 96 93 84 84 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 7.8125 -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="313">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 141.5 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 204.5 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 240.498 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0
</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 0.3529118 0.35205317 0.35097662 0.34968653 0.34811512 0.3462709 0.3442354 0.34187606 0.33927825 0.33638793 0.33322465 0.32980946 0.32603815 0.32200715 0.31768805 0.31300464 0.30795586 0.3025528 0.29676917 0.29057935 0.28398937 0.27689454 0.26927269 0.26112098 0.25231692 0.24289067 0.23271252 0.2217551 0.20985778 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 0.2048889 0.20977777 0.21466666 0.21955556 0.22444445 0.22933333 0.23422222 0.23911111 0.244 0.2488889 0.25377777 0.25866666 0.26355556 0.26844445 0.27333334 0.27822223 0.28311113 0.288 0.29288888 0.29777777 0.30266666 0.30755556 0.31244445 0.31733334 0.32222223 0.32711112 0.332 0.33688888 0.34177777 0.34666666 0.35155556 0.354 0.3768053 0.42626646 0.48089257 0.54069614 0.6056967 0.67594504 0.7514567 0.8322765 0.9184102 1.0098507 1.1065406 1.2083645 1.3151319 1.4265264 1.5421938 1.6616081 1.784173 1.9091352 2.0356498 2.162792 2.2895157 2.4147644 2.5374253 2.6564105 2.770625 2.8790286 2.980661 3.074632 3.160123 3.23644 3.3029525 3.359143 3.4045978 3.4389696 3.462012 3.4735627 3.475 3.4742577 3.4684865 3.4572973 3.4410493 3.420102 3.394811 3.365527 3.3325915 3.2963367 3.2570825 3.215136 3.1707911 3.1243267 3.0760074 3.0260823 2.974786 2.9223382 2.8689435 2.8147929 2.7600627 2.7049162 2.6495044 2.5939648 2.5384243 2.4829977 2.4277897 2.3728952 2.3184 2.2643802 2.2109048 2.1580346 2.1058233 2.0543182 2.0035608 1.9535861 1.9044248 1.8561025 1.8086404 1.7620556 1.7163619 1.6715692 1.6276851 1.5847137 1.5426571 1.5015149 1.461285 1.421963 1.3835431 1.3460183 1.3093799 1.2736186 1.2387234 1.204683 1.1714851 1.1391168 1.1075647 1.0768149 1.0468531 1.0176648 0.989235 0.9615488 0.9345911 0.9083466 0.8828001 0.8579363 0.83374006 0.81019616 0.78728956 0.7650054 0.7433289 0.7222454 0.7017405 0.68179995 0.6624097 0.64355606 0.62522525 0.60740405 0.59007937 0.57323825 0.5568682 0.54095674 0.52549183 0.5104617 0.49585456 0.4816592 0.46786454 0.45445976 0.4414342 0.42877764 0.41647992 0.4045312 0.39292195 0.38164276 0.37068453 0.36003834 0.34969556 0.3396477 0.32988656 0.3204041 0.31119257 0.30224434 0.29355198 0.28510836 0.2769064 0.26893932 0.2612005 0.25368342 0.24638186 0.23928972 0.23240101 0.22570999 0.21921101 0.21289863 0.20676754 0.20081256 0.19502868 0.189411 0.18395479 0.17865545 0.17350848 0.16850951 0.16365434 0.15893884 0.154359 0.14991094 0.14559089 0.14139517 0.13732024 0.13336259 0.1295189 0.12578587 0.12216034 0.11863921 0.11521949 0.111898266 0.10867271 0.10554006 0.10249766 0.09954291 0.09667328 0.09388633 0.09117969 0.08855104 0.08599813 0.083518796 0.0811109 0.07877241 0.07650131 0.07429567 0.0721536 0.07007326 0.068052895 0.06609076 0.06418519 0.062334545 0.060537245 0.05879176 0.05709659 0.055450287 0.053851448 0.0522987 0.050790716

</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="3.475" PeakHeight="240.498" Num="5" zHalfNm="226.343" Error="0.184">
-36.22 0.377 -0.24 0.128 -0.043
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" 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="6511.5" A="-1.53036653E11" B="4.7233536E7" C="-3644.4375" Error="0.00157"/>
<QuasiParabolic ID="2" StartDistance="6511.5" EndDistance="6543.0" A="0.0" B="-3057.58" C="0.5095909" Error="0.0571"/>
<QuasiParabolic ID="3" StartDistance="6543.0" EndDistance="6571.0" A="8.5518115E10" B="-2.6194044E7" C="2005.8309" Error="0.0571"/>
<QuasiParabolic ID="4" StartDistance="6571.0" EndDistance="6573.0" A="-1.31326188E12" B="3.99549376E8" C="-30389.803" Error="0.00138"/>
<QuasiParabolic ID="5" StartDistance="6573.0" EndDistance="6579.0" A="1.17703453E13" B="-3.58146611E9" C="272441.12" Error="0.0395"/>
<QuasiParabolic ID="6" StartDistance="6579.0" EndDistance="6601.0" A="2.64047941E13" B="-8.0303027E9" C="610550.0" Error="0.0785"/>
<QuasiParabolic ID="7" StartDistance="6601.0" EndDistance="6610.498" A="-6.9056384E13" B="2.08929444E10" C="-1580273.1" Error="0.00906"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="94.5" Depth="0.154"/>
<TopsideChapman PeakHeight="240.498" PeakDensity="149821.66" PeakScaleHeight="10.68" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
