<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-07 -127 08:15:00.000"
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" >
2026.05.07 (127) 08:15:00</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">
FF202612705070815001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.350" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.699" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.392" 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="3.700" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="252.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="252.500" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.250" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="278.691" 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="248.242" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="232.609" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.530" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="22.403" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.714" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="11.870" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="22.020" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.230" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="16">
<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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
252.500 252.500 257.500 255.000 257.500 260.000 262.500 267.500 270.000 270.000 273.833 278.691 285.047 293.721 306.265 326.011
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
78 81 75 78 93 93 105 102 90 93 90 87 84 84 96 96
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="338">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 142.95734 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 175.91467 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 208.872 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 248.242 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0
</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 0.35298675 0.3522771 0.35127333 0.35005456 0.34862584 0.3469204 0.34509107 0.3429303 0.34059232 0.33794937 0.33508664 0.33195353 0.32857093 0.32489836 0.3209648 0.31674168 0.31220993 0.30736104 0.302145 0.29660884 0.2907123 0.28437838 0.27766272 0.27041975 0.2627176 0.2544798 0.2456215 0.23613188 0.22593449 0.2149174 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 0.20039874 0.20507145 0.20974416 0.21441686 0.21908957 0.22376227 0.22843498 0.2331077 0.2377804 0.24245311 0.24712582 0.25179854 0.25647125 0.26114395 0.26581666 0.27048936 0.27516207 0.27983478 0.28450748 0.2891802 0.2938529 0.2985256 0.3031983 0.307871 0.31254372 0.31721646 0.32188916 0.32656187 0.33123457 0.33590728 0.34058 0.3452527 0.3499254 0.354 0.35898298 0.40044627 0.44625175 0.4961422 0.54991114 0.60742027 0.6686132 0.73351413 0.8022041 0.87480557 0.95147556 1.03234 1.1175513 1.207209 1.3013746 1.3999672 1.5028753 1.6098088 1.7203232 1.8338158 1.9494451 2.0663006 2.1832979 2.2992454 2.412969 2.5233207 2.629254 2.7298062 2.824213 2.9118228 2.9921358 3.0647614 3.129438 3.1859787 3.234242 3.274168 3.3056967 3.3288083 3.3434966 3.3497531 3.35 3.3486838 3.3430476 3.3332052 3.3194094 3.3019118 3.280964 3.2568123 3.2296996 3.1998625 3.1675305 3.1329255 3.0962613 3.0577424 3.0175645 2.9759145 2.932969 2.888896 2.8438528 2.7979884 2.7514427 2.7043462 2.6568205 2.6089795 2.560928 2.5127647 2.4645786 2.4164534 2.3684652 2.3206837 2.2731729 2.2259903 2.1791887 2.1328158 2.0869138 2.041521 1.9966718 1.9523957 1.9087194 1.8656658 1.8232548 1.7815036 1.7404261 1.7000341 1.6603373 1.621343 1.5830566 1.5454816 1.50862 1.4724727 1.4370383 1.4023153 1.3683001 1.3349887 1.302376 1.2704562 1.2392225 1.2086678 1.178784 1.149563 1.1209959 1.0930735 1.0657862 1.0391245 1.0130782 0.987637 0.96279055 0.9385284 0.9148399 0.89171445 0.8691413 0.84710974 0.825609 0.80462855 0.78415763 0.7641857 0.74470234 0.7256971 0.70715964 0.68907976 0.6714474 0.6542526 0.63748556 0.6211366 0.60519624 0.5896549 0.5745036 0.55973303 0.54533446 0.53129894 0.517618 0.50428313 0.49128607 0.4786187 0.46627307 0.45424134 0.4425159 0.43108928 0.41995415 0.40910336 0.39852986 0.38822684 0.37818754 0.36840546 0.3588742 0.34958744 0.34053913 0.33172324 0.32313398 0.3147656 0.30661255 0.2986694 0.29093087 0.2833917 0.27604693 0.2688916 0.26192084 0.25513002 0.2485145 0.24206987 0.23579171 0.22967581 0.223718 0.21791425 0.21226059 0.2067532 0.2013883 0.19616227 0.1910715 0.18611254 0.181282 0.17657657 0.17199303 0.16752826 0.16317916 0.15894277 0.15481621 0.1507966 0.14688121 0.14306735 0.13935238 0.13573375 0.13220899 0.12877564 0.12543137 0.12217387 0.119000874 0.11591022 0.11289976 0.10996742 0.107111186 0.10432909 0.1016192 0.09897965 0.09640863 0.09390434 0.09146507 0.089089125 0.08677487 0.084520705 0.08232507 0.08018645 0.078103356 0.07607436 0.07409806 0.072173074 0.07029808 0.06847179 0.066692926 0.06496026 0.0632726 0.061628778 0.060027648 0.058468107 0.05694907 0.055469498 0.054028355 0.052624647 0.0512574

</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="3.35" PeakHeight="248.242" Num="5" zHalfNm="232.609" Error="0.88">
-39.752 0.924 -0.911 0.52 -0.151
</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="6512.957" A="-1.39850236E11" B="4.3163656E7" C="-3330.4036" Error="0.00173"/>
<QuasiParabolic ID="2" StartDistance="6512.957" EndDistance="6545.915" A="0.0" B="4472.2886" C="-0.64664054" Error="0.0856"/>
<QuasiParabolic ID="3" StartDistance="6545.915" EndDistance="6579.0" A="1.96109005E10" B="-6108624.5" C="475.5584" Error="0.107"/>
<QuasiParabolic ID="4" StartDistance="6579.0" EndDistance="6584.0" A="1.5273967E13" B="-4.6433961E9" C="352906.56" Error="0.11"/>
<QuasiParabolic ID="5" StartDistance="6584.0" EndDistance="6591.0" A="1.24579574E13" B="-3.78798592E9" C="287945.3" Error="0.0494"/>
<QuasiParabolic ID="6" StartDistance="6591.0" EndDistance="6606.0" A="2.89117947E13" B="-8.7808051E9" C="666705.7" Error="0.0415"/>
<QuasiParabolic ID="7" StartDistance="6606.0" EndDistance="6618.242" A="-4.9307525E13" B="1.49004902E10" C="-1125702.4" Error="0.0128"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="98.872" Depth="0.154"/>
<TopsideChapman PeakHeight="248.242" PeakDensity="139236.97" PeakScaleHeight="11.87" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
