<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-19 -139 22:40:00.000"
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: 100%</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.19 (139) 22:40:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.99" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202613905192240001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.700" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.781" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.990" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.975" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.975" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.050" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="232.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="232.500" 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="3.575" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="266.216" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.975" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.975" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="236.719" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="220.930" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.690" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="22.682" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.871" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="11.936" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="22.540" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.140" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="30">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
232.500 235.000 235.000 237.500 237.500 237.500 237.500 240.000 240.000 242.500 242.500 242.500 245.000 245.000 247.500 250.000 250.000 250.000 252.500 255.000 256.566 258.387 260.533 263.097 266.216 270.091 275.037 281.566 290.585 303.852
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 69 93 87 78 81 96 93 93 90 93 96 96 96 93 90 96 93 105 105 81 81 81 81 78 78 75 75 72 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="332">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 138.58333 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 167.16667 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 195.75 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 236.719 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0
</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 0.3533988 0.35268724 0.35168076 0.35038465 0.34873247 0.34680796 0.3446216 0.34204412 0.33923516 0.3360058 0.33251932 0.32860458 0.3243659 0.31978112 0.314722 0.3093164 0.3034716 0.29713094 0.29034886 0.28298154 0.27503994 0.26650268 0.25724816 0.24721296 0.23637795 0.22454801 0.21165071 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 0.2044898 0.20987755 0.2152653 0.22065306 0.22604081 0.23142858 0.23681633 0.24220408 0.24759184 0.2529796 0.25836736 0.2637551 0.26914287 0.27453062 0.27991837 0.28530613 0.29069388 0.29608163 0.3014694 0.30685714 0.3122449 0.31763265 0.3230204 0.32840815 0.3337959 0.3391837 0.34457144 0.3499592 0.354 0.36361766 0.40484133 0.45047686 0.5005069 0.5548928 0.6136092 0.67663354 0.7439876 0.8157048 0.8918326 0.972432 1.0575436 1.1472068 1.2414135 1.3400968 1.4431553 1.5504085 1.6615683 1.7762487 1.893988 2.0141804 2.1361358 2.2590284 2.3820484 2.5042188 2.624607 2.742261 2.8562205 2.965607 3.0695982 3.1674252 3.2584088 3.3419752 3.4176164 3.484903 3.5434692 3.5930347 3.6333752 3.6643128 3.6857154 3.6974995 3.7 3.6998007 3.695932 3.687336 3.6742861 3.657057 3.6359222 3.611152 3.5830126 3.5517645 3.517661 3.480948 3.4418619 3.4006307 3.3574724 3.3125951 3.2661967 3.2184649 3.1695771 3.1197007 3.0689929 3.017601 2.9656634 2.9133089 2.8606565 2.8078177 2.7548954 2.7019844 2.649172 2.5965385 2.544157 2.4920948 2.4404123 2.3891647 2.3384016 2.288168 2.2385035 2.1894433 2.1410193 2.0932589 2.0461857 1.9998206 1.9541808 1.9092811 1.8651336 1.8217478 1.7791312 1.7372891 1.6962248 1.6559402 1.6164354 1.5777093 1.5397592 1.5025814 1.466171 1.4305226 1.3956292 1.3614837 1.328078 1.2954036 1.263451 1.2322109 1.2016729 1.171827 1.142662 1.1141676 1.0863322 1.0591446 1.0325934 1.006667 0.981354 0.95664257 0.93252116 0.90897816 0.88600194 0.86358094 0.8417037 0.8203589 0.79953516 0.7792213 0.75940627 0.74007916 0.7212292 0.70284563 0.68491805 0.66743606 0.6503895 0.63376826 0.6175626 0.6017627 0.5863592 0.5713427 0.556704 0.54243404 0.52852416 0.51496565 0.50175 0.48886892 0.4763143 0.46407822 0.45215285 0.4405306 0.42920402 0.41816577 0.40740877 0.39692608 0.38671082 0.3767564 0.36705628 0.35760412 0.34839374 0.33941904 0.3306741 0.32215318 0.31385064 0.30576095 0.29787877 0.2901988 0.28271598 0.2754253 0.26832184 0.26140094 0.25465786 0.24808817 0.2416874 0.23545127 0.22937557 0.22345622 0.21768923 0.2120707 0.20659684 0.20126396 0.19606844 0.19100676 0.18607551 0.18127134 0.176591 0.17203128 0.16758914 0.16326152 0.1590455 0.1549382 0.15093684 0.1470387 0.14324112 0.13954152 0.13593736 0.1324262 0.12900567 0.1256734 0.12242712 0.11926465 0.116183795 0.11318248 0.11025863 0.107410274 0.104635455 0.10193228 0.0992989 0.09673352 0.09423438 0.09179977 0.089428045 0.08711757 0.084866755 0.08267407 0.08053803 0.07845715 0.076430015 0.07445525 0.072531484 0.07065741 0.06883175 0.06705325 0.06532069 0.06363289 0.061988693 0.060386967 0.05882662 0.057306588 0.055825822 0.05438331 0.052978072 0.051609136 0.050275568

</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="3.7" PeakHeight="236.719" Num="5" zHalfNm="220.93" Error="0.723">
-41.067 0.432 -0.504 0.264 -0.094
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" 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="6508.583" A="-1.85709953E11" B="5.7317888E7" C="-4422.5513" Error="0.00149"/>
<QuasiParabolic ID="2" StartDistance="6508.583" EndDistance="6537.167" A="0.0" B="-251.25696" C="0.0786241" Error="0.00472"/>
<QuasiParabolic ID="3" StartDistance="6537.167" EndDistance="6565.0" A="5.7750155E10" B="-1.7757672E7" C="1365.0881" Error="0.00472"/>
<QuasiParabolic ID="4" StartDistance="6565.0" EndDistance="6566.0" A="1.25195979E13" B="-3.81420774E9" C="290508.28" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6566.0" EndDistance="6568.0" A="1.60853561E13" B="-4.9003356E9" C="373216.78" Error="0.0301"/>
<QuasiParabolic ID="6" StartDistance="6568.0" EndDistance="6570.0" A="1.92023888E12" B="-5.8696275E8" C="44854.035" Error="0.0182"/>
<QuasiParabolic ID="7" StartDistance="6570.0" EndDistance="6574.0" A="1.38134589E13" B="-4.20742528E9" C="320383.9" Error="0.0164"/>
<QuasiParabolic ID="8" StartDistance="6574.0" EndDistance="6595.0" A="2.68292053E13" B="-8.16719E9" C="621552.5" Error="0.0368"/>
<QuasiParabolic ID="9" StartDistance="6595.0" EndDistance="6604.0" A="-5.4499515E13" B="1.64965612E10" C="-1248330.1" Error="0.00709"/>
<QuasiParabolic ID="10" StartDistance="6604.0" EndDistance="6606.719" A="-6.7718561E13" B="2.04999066E10" C="-1551430.1" Error="3.08E-5"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="85.75" Depth="0.154"/>
<TopsideChapman PeakHeight="236.719" PeakDensity="169851.11" PeakScaleHeight="11.936" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
