<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-05 -125 22:10:00.000"
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="20.0">
<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" >
2026.05.05 (125) 22:10:00</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">
FF202612505052210001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.150" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.616" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="15.005" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.150" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.150" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.500" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="240.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="240.000" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.975" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="283.215" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.150" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.150" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="250.602" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="231.463" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.205" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="27.522" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.322" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="14.531" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="26.900" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.240" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="41">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 4.1 4.125 4.15
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
240.000 240.000 240.000 242.500 242.500 242.500 242.500 245.000 245.000 247.500 247.500 247.500 250.000 252.500 252.500 255.000 255.000 255.000 257.500 257.500 260.000 260.000 261.875 263.750 265.625 267.500 269.375 271.250 273.125 275.000 277.500 277.500 280.000 283.215 286.783 290.764 295.235 300.293 306.061 312.699 320.421
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
72 69 69 90 93 81 81 81 81 81 84 81 84 66 69 66 69 69 66 66 66 66 0 0 0 0 0 0 0 75 75 84 84 63 0 75 0 0 0 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-3.125 3.125 -3.125 -3.125 3.125 -3.125 -3.125 3.125 -3.125 3.125 -3.125 3.125 -3.125 3.125 -3.125 3.125 -3.125 -3.125 -3.125 3.125 -3.125 -3.125 -3.125 3.125 3.125 3.125 -3.125 3.125 -3.125 3.125 -3.125 3.125 3.125 -3.125 3.125 -3.125 -3.125 -3.125 3.125 -3.125 -3.125
</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 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 140.33333 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 170.66667 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 250.602 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0
</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 0.35347393 0.35283697 0.35190412 0.35075444 0.34931904 0.34760568 0.34569573 0.3434548 0.34089813 0.338043 0.33497614 0.33158195 0.3278234 0.3237977 0.31935477 0.31466332 0.30954042 0.30405807 0.29813874 0.29176548 0.28499955 0.27773643 0.26987928 0.2613832 0.2523016 0.2425206 0.23193197 0.22042523 0.20793872 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 0.20169231 0.20676923 0.21184616 0.21692307 0.222 0.22707692 0.23215385 0.23723076 0.2423077 0.24738462 0.25246155 0.25753847 0.26261538 0.2676923 0.27276924 0.27784616 0.28292307 0.288 0.29307693 0.29815385 0.30323076 0.30830768 0.31338462 0.31846154 0.32353845 0.3286154 0.3336923 0.33876923 0.34384614 0.3489231 0.354 0.39024493 0.4304608 0.47443226 0.521929 0.57270795 0.62661076 0.68352526 0.7434147 0.80629796 0.8722424 0.9413126 1.0136398 1.0893496 1.1685559 1.2513763 1.3379445 1.4283314 1.522603 1.6207856 1.7227863 1.8285065 1.9377517 2.0501935 2.1654432 2.2829676 2.4021356 2.5222852 2.6425955 2.7622476 2.8804488 2.9963503 3.1091523 3.2181826 3.3227732 3.422377 3.5165277 3.6048558 3.6870399 3.7628672 3.832123 3.8947127 3.9505413 3.9995294 4.0416474 4.0768766 4.1052036 4.126626 4.1411405 4.148749 4.15 4.149698 4.1463246 4.1393466 4.1289334 4.1152554 4.0984836 4.0787873 4.056335 4.031292 4.003822 3.9740841 3.9422345 3.9084249 3.8728025 3.8355103 3.796686 3.7564619 3.714966 3.6723206 3.628643 3.584045 3.538633 3.4925096 3.4457703 3.398507 3.3508067 3.3027506 3.2544165 3.2058766 3.1571994 3.1084492 3.059686 3.0109658 2.9623413 2.9138608 2.86557 2.8175108 2.769722 2.7222397 2.6750968 2.6283236 2.5819478 2.535995 2.490488 2.4454477 2.4008927 2.3568404 2.3133054 2.2703009 2.2278388 2.1859293 2.1445813 2.1038017 2.0635974 2.023973 1.9849323 1.9464786 1.9086137 1.8713388 1.8346542 1.7985593 1.7630533 1.7281342 1.6937995 1.6600467 1.6268721 1.5942719 1.5622418 1.5307772 1.4998732 1.4695243 1.439725 1.4104695 1.3817518 1.3535653 1.3259039 1.2987608 1.2721294 1.2460028 1.220374 1.195236 1.1705816 1.1464039 1.1226954 1.0994493 1.0766579 1.0543143 1.0324111 1.0109411 0.9898973 0.9692723 0.949059 0.9292504 0.90983945 0.8908191 0.8721825 0.85392267 0.8360329 0.8185065 0.8013367 0.784517 0.76804084 0.75190187 0.7360937 0.72061 0.7054448 0.6905918 0.6760451 0.66179883 0.6478471 0.6341842 0.62080437 0.60770226 0.59487224 0.582309 0.57000726 0.55796176 0.54616743 0.5346193 0.5233123 0.51224166 0.5014026 0.4907905 0.48040065 0.4702286 0.46026993 0.45052028 0.44097537 0.431631 0.4224831 0.41352758 0.40476054 0.3961781 0.3877764 0.37955177 0.3715005 0.36361903 0.35590383 0.34835148 0.34095854 0.33372176 0.32663783 0.3197036 0.31291595 0.30627182 0.2997682 0.29340217 0.28717083 0.2810714 0.27510107 0.26925716 0.263537 0.25793803 0.25245765 0.24709341 0.24184287 0.23670362 0.23167332 0.22674967 0.22193046 0.21721345 0.21259649 0.20807749 0.20365438 0.19932511 0.19508773 0.19094029 0.18688089 0.18290766 0.17901878 0.17521247 0.17148699 0.16784063 0.16427171 0.1607786 0.15735967 0.15401338 0.15073818 0.14753257 0.14439505 0.1413242 0.13831861 0.13537689 0.13249768 0.12967966 0.12692155 0.12422205 0.12157992 0.11899396 0.11646297 0.113985784 0.11156125 0.10918827 0.10686574 0.104592584 0.102367766 0.100190245 0.09805902 0.09597312 0.09393157 0.09193344 0.089977786 0.088063724 0.08619037 0.08435685 0.08256233 0.08080597 0.07908696 0.077404514 0.075757846 0.0741462 0.07256884 0.07102502 0.069514036 0.0680352 0.066587806 0.065171205 0.06378473 0.062427755 0.06109964 0.059799775 0.058527563 0.05728241 0.056063745 0.054871 0.05370363 0.052561093 0.051442858 0.050348412

</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="4.15" PeakHeight="250.602" Num="5" zHalfNm="231.463" Error="1.205">
-50.549 1.639 -1.201 0.759 -0.25
</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="6510.333" A="-1.64983013E11" B="5.0920684E7" C="-3928.9397" Error="0.00156"/>
<QuasiParabolic ID="2" StartDistance="6510.333" EndDistance="6540.667" A="0.0" B="-260.81348" C="0.08008444" Error="0.00522"/>
<QuasiParabolic ID="3" StartDistance="6540.667" EndDistance="6570.0" A="6.0359078E10" B="-1.8538662E7" C="1423.5015" Error="0.0201"/>
<QuasiParabolic ID="4" StartDistance="6570.0" EndDistance="6580.0" A="9.1302658E12" B="-2.77954509E9" C="211545.77" Error="0.0318"/>
<QuasiParabolic ID="5" StartDistance="6580.0" EndDistance="6583.0" A="1.27478153E13" B="-3.87910451E9" C="295098.9" Error="0.00592"/>
<QuasiParabolic ID="6" StartDistance="6583.0" EndDistance="6606.0" A="2.61319568E13" B="-7.9453783E9" C="603945.5" Error="0.0309"/>
<QuasiParabolic ID="7" StartDistance="6606.0" EndDistance="6620.602" A="-5.0612855E13" B="1.52895027E10" C="-1154674.0" Error="0.0113"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="91.0" Depth="0.154"/>
<TopsideChapman PeakHeight="250.602" PeakDensity="213678.66" PeakScaleHeight="14.531" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
