<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-05 -125 22:30:00.000"
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" >
2026.05.05 (125) 22:30:00</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">
FF202612505052230001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.600" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.825" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.770" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.075" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.075" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.000" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="227.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="227.500" 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="3.500" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="262.959" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.075" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.075" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="230.728" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="216.166" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.847" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="20.926" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.764" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="11.002" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="20.940" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.060" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="22">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
227.500 227.500 230.000 232.500 235.000 235.000 235.000 237.500 240.000 242.500 245.000 247.500 249.405 251.519 253.880 256.532 259.534 262.959 266.905 271.498 276.914 283.393
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
93 93 96 93 90 96 93 93 93 90 93 93 96 93 105 105 93 93 93 90 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="310">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 137.41667 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 164.83333 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 192.25 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 230.728 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0
</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 0.353812 0.35339895 0.35261247 0.35145745 0.35001534 0.348294 0.34623033 0.34376696 0.34099412 0.3378617 0.33439493 0.33055604 0.32631677 0.32166007 0.316581 0.31108782 0.3051483 0.29865354 0.2916688 0.28410435 0.27593207 0.26707086 0.25740978 0.24700987 0.23557876 0.22317484 0.20959583 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 0.20093617 0.20655319 0.21217021 0.21778724 0.22340426 0.22902128 0.2346383 0.24025533 0.24587233 0.25148937 0.2571064 0.26272342 0.26834044 0.27395746 0.27957445 0.28519148 0.2908085 0.29642552 0.30204254 0.30765957 0.3132766 0.3188936 0.32451063 0.33012766 0.33574468 0.3413617 0.34697872 0.35259575 0.354 0.38831192 0.4369141 0.48893154 0.5445084 0.603813 0.6670526 0.7343951 0.8060505 0.8821811 0.96295553 1.0485017 1.1389036 1.2342141 1.3343889 1.4393102 1.548802 1.6625105 1.7800264 1.9007729 2.0240872 2.1491292 2.2749867 2.4006827 2.5251417 2.647264 2.7659197 2.880056 2.9885924 3.0905995 3.1851637 3.2714655 3.3488169 3.4165952 3.4742787 3.5214624 3.557793 3.5830233 3.5969827 3.6 3.5997863 3.5954149 3.5856607 3.5708642 3.5513659 3.5275044 3.4996142 3.4680228 3.4330487 3.3950007 3.3541758 3.3108592 3.2653227 3.217825 3.168611 3.117912 3.0659454 3.0129147 2.9590106 2.90441 2.8492777 2.7937663 2.7380161 2.6821566 2.6263065 2.570574 2.5150583 2.4598486 2.4050262 2.3506644 2.2968283 2.2435763 2.1909604 2.1390266 2.0878146 2.0373595 1.987691 1.9388348 1.890812 1.8436404 1.797334 1.7519035 1.7073573 1.6637003 1.6209358 1.5790644 1.538085 1.4979944 1.4587884 1.4204607 1.3830041 1.3464103 1.3106698 1.2757723 1.2417068 1.2084615 1.1760242 1.144382 1.1135218 1.0834298 1.0540925 1.0254956 0.99762493 0.9704662 0.94400495 0.9182267 0.893117 0.8686615 0.84484583 0.82165563 0.7990768 0.77709526 0.7556971 0.73486865 0.7145963 0.69486666 0.67566663 0.6569832 0.6388036 0.62111527 0.603906 0.58716357 0.57087624 0.5550323 0.53962046 0.5246295 0.51004845 0.49586675 0.48207387 0.46865967 0.4556141 0.4429274 0.4305901 0.41859287 0.4069266 0.3955825 0.38455182 0.37382624 0.36339745 0.35325745 0.34339842 0.3338127 0.32449296 0.31543186 0.3066224 0.29805765 0.28973097 0.28163582 0.27376586 0.2661149 0.25867692 0.25144604 0.24441661 0.23758303 0.23093991 0.22448198 0.21820416 0.21210141 0.20616893 0.200402 0.19479601 0.18934652 0.18404917 0.17889975 0.17389415 0.16902837 0.16429853 0.15970084 0.15523164 0.15088733 0.14666446 0.14255962 0.13856953 0.13469101 0.13092095 0.1272563 0.12369415 0.12023162 0.11686594 0.113594405 0.110414386 0.10732333 0.10431876 0.101398245 0.098559454 0.09580009 0.093117945 0.09051085 0.087976724 0.08551351 0.083119236 0.08079198 0.07852986 0.07633105 0.07419379 0.07211635 0.07009707 0.06813431 0.0662265 0.064372085 0.062569596 0.060817562 0.05911458 0.057459272 0.05585031 0.05428639 0.052766256 0.051288687

</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="3.6" PeakHeight="230.728" Num="5" zHalfNm="216.166" Error="0.671">
-38.13 -0.34 -0.216 0.246 -0.038
</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="6507.417" A="-2.01785164E11" B="6.2279372E7" C="-4805.382" Error="0.00146"/>
<QuasiParabolic ID="2" StartDistance="6507.417" EndDistance="6534.833" A="0.0" B="1198.3251" C="-0.14413409" Error="0.019"/>
<QuasiParabolic ID="3" StartDistance="6534.833" EndDistance="6561.0" A="3.24317368E10" B="-1.0035697E7" C="776.30927" Error="0.019"/>
<QuasiParabolic ID="4" StartDistance="6561.0" EndDistance="6566.0" A="1.18164019E13" B="-3.60216166E9" C="274524.7" Error="0.0315"/>
<QuasiParabolic ID="5" StartDistance="6566.0" EndDistance="6570.0" A="9.6566143E12" B="-2.9442921E9" C="224427.98" Error="0.0109"/>
<QuasiParabolic ID="6" StartDistance="6570.0" EndDistance="6581.0" A="2.82352786E13" B="-8.5998971E9" C="654839.4" Error="0.0358"/>
<QuasiParabolic ID="7" StartDistance="6581.0" EndDistance="6591.0" A="2.64863146E13" B="-8.0683781E9" C="614456.5" Error="0.0286"/>
<QuasiParabolic ID="8" StartDistance="6591.0" EndDistance="6600.728" A="-6.990589E13" B="2.1181268E10" C="-1604451.5" Error="0.00911"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="82.25" Depth="0.154"/>
<TopsideChapman PeakHeight="230.728" PeakDensity="160794.05" PeakScaleHeight="11.002" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
