<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-30 -089 07:00:00.000"
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: 70% PACIFIC flags: F2x cusp not found, One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.30 (089) 07:00:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.18" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202608903300700001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.425" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.775" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.928" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.225" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.225" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.700" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="275.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="275.000" 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="3.425" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="282.020" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.225" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.225" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="250.104" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="236.823" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.132" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="19.078" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.661" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.583" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="19.610" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.850" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="9">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
3.225 3.25 3.275 3.3 3.325 3.35 3.375 3.4 3.425
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
275.000 275.833 276.143 276.528 277.020 277.669 278.566 279.886 282.020
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
93 0 0 90 90 90 63 0 102
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="322">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 144.85634 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 179.71266 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 214.569 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 250.104 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0
</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 0.35362422 0.35313663 0.3524263 0.35157037 0.35049725 0.34921128 0.3477177 0.3460227 0.34413323 0.34198672 0.3396642 0.33710685 0.33439553 0.33134407 0.32810533 0.32463375 0.32089108 0.31690663 0.31259683 0.30806106 0.30323315 0.29806647 0.2925598 0.2867296 0.2805044 0.2738612 0.26682854 0.25932336 0.25129965 0.24275805 0.2336135 0.22373298 0.21321075 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 0.2 0.2 0.2 0.20126948 0.20568761 0.21010575 0.21452388 0.21894202 0.22336015 0.22777829 0.23219642 0.23661456 0.24103269 0.24545082 0.24986897 0.2542871 0.25870523 0.26312336 0.2675415 0.27195963 0.27637777 0.2807959 0.28521404 0.28963217 0.2940503 0.29846847 0.3028866 0.30730474 0.31172287 0.316141 0.32055914 0.32497728 0.3293954 0.33381355 0.33823168 0.34264982 0.34706795 0.3514861 0.354 0.37848422 0.43207112 0.48572016 0.54202914 0.6024613 0.66811925 0.7398009 0.8180898 0.90319544 0.9949695 1.0928774 1.1960572 1.3034979 1.4141762 1.5270886 1.64148 1.7566783 1.8721493 1.9875184 2.1024318 2.2165947 2.3297167 2.4414911 2.5515838 2.6595347 2.764842 2.8667831 2.9645493 3.0570526 3.1430209 3.2208817 3.288892 3.3450832 3.387539 3.414551 3.424907 3.425 3.422645 3.41467 3.4014044 3.383213 3.3604586 3.3334994 3.3026872 3.2683632 3.230859 3.1904922 3.1475677 3.1023757 3.055192 3.0062761 2.955873 2.9042125 2.8515086 2.7979612 2.7437556 2.689063 2.6340413 2.5788352 2.5235782 2.4683912 2.413384 2.358657 2.3042996 2.2503932 2.1970098 2.1442137 2.092062 2.0406046 1.989885 1.9399409 1.8908049 1.8425041 1.7950612 1.7484947 1.7028195 1.6580464 1.6141837 1.5712365 1.5292072 1.4880961 1.4479011 1.4086186 1.3702427 1.3327667 1.2961819 1.260479 1.2256472 1.1916751 1.1585501 1.1262597 1.09479 1.0641271 1.0342565 1.0051634 0.976833 0.9492499 0.922399 0.8962646 0.87083143 0.84608406 0.822007 0.7985849 0.7758026 0.75364494 0.7320969 0.71114385 0.690771 0.670964 0.6517087 0.6329911 0.61479735 0.5971141 0.57992804 0.5632261 0.54699564 0.5312241 0.51589924 0.50100917 0.48654208 0.4724866 0.4588315 0.44556588 0.43267906 0.42016062 0.40800044 0.39618856 0.3847153 0.37357128 0.36274728 0.35223433 0.34202376 0.33210704 0.32247588 0.31312224 0.3040383 0.29521635 0.28664902 0.27832907 0.27024946 0.26240334 0.25478408 0.24738514 0.24020027 0.23322333 0.22644839 0.21986961 0.21348141 0.2072783 0.20125495 0.19540621 0.18972704 0.18421257 0.17885803 0.17365883 0.1686105 0.16370867 0.1589491 0.1543277 0.14984047 0.14548354 0.14125313 0.13714558 0.13315734 0.12928495 0.12552506 0.121874414 0.11832984 0.11488827 0.11154672 0.10830228 0.10515214 0.10209356 0.0991239 0.096240565 0.093441054 0.09072293 0.08808384 0.08552148 0.08303362 0.08061811 0.07827284 0.07599577 0.073784925 0.07163837 0.06955425 0.06753074 0.06556608 0.06365856 0.061806526 0.060008362 0.0582625 0.056567423 0.05492165 0.053323753 0.051772334 0.050266046

</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="3.425" PeakHeight="250.104" Num="5" zHalfNm="236.823" Error="0.779">
-34.435 -2.006 1.3 -0.742 0.348
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" 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="6514.856" A="-1.25095854E11" B="3.8609832E7" C="-2979.0283" Error="0.00173"/>
<QuasiParabolic ID="2" StartDistance="6514.856" EndDistance="6549.713" A="0.0" B="2381.4773" C="-0.32550794" Error="0.0477"/>
<QuasiParabolic ID="3" StartDistance="6549.713" EndDistance="6579.0" A="2.02031296E9" B="-718864.0" C="62.6982" Error="0.0477"/>
<QuasiParabolic ID="4" StartDistance="6579.0" EndDistance="6584.0" A="6.9100981E11" B="-2.10169984E8" C="15980.856" Error="0.0284"/>
<QuasiParabolic ID="5" StartDistance="6584.0" EndDistance="6594.0" A="1.50693615E13" B="-4.5778345E9" C="347668.62" Error="0.0687"/>
<QuasiParabolic ID="6" StartDistance="6594.0" EndDistance="6595.0" A="6.9163557E13" B="-2.09849303E10" C="1591761.5" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6595.0" EndDistance="6613.0" A="2.23836562E13" B="-6.7984553E9" C="516213.66" Error="0.0353"/>
<QuasiParabolic ID="8" StartDistance="6613.0" EndDistance="6619.0" A="-8.4590455E13" B="2.5554217E10" C="-1929928.2" Error="0.00586"/>
<QuasiParabolic ID="9" StartDistance="6619.0" EndDistance="6620.104" A="-1.12583139E14" B="3.40124979E10" C="-2568867.8" Error="1.15E-6"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="104.569" Depth="0.154"/>
<TopsideChapman PeakHeight="250.104" PeakDensity="145541.25" PeakScaleHeight="10.583" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
