<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-17 -137 22:05:00.000"
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" >
2026.05.17 (137) 22:05:00</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">
FF202613705172205001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.300" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.948" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.029" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.925" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.925" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.700" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="225.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="225.000" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.150" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="241.059" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.925" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.925" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="222.244" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="209.540" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.304" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="18.196" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.599" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.583" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="17.810" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.270" 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" >
2.925 2.95 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
225.000 225.000 225.000 227.500 229.081 230.864 232.891 235.214 237.906 241.059 244.805 249.327 254.895 261.920 271.059 283.435
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 69 84 84 84 84 84 81 84 81 84 81 81 78 96 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="293">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 136.83333 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 163.66667 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 190.5 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 222.244 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0
</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 0.35332385 0.35253775 0.3513833 0.34986797 0.34800196 0.34587008 0.3433416 0.34043694 0.33717975 0.3335292 0.3294542 0.3250611 0.3201454 0.31483623 0.30908883 0.30277678 0.29597685 0.28861925 0.2806141 0.2719544 0.2625736 0.25233817 0.24117032 0.22898808 0.2156547 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 0.20191304 0.20765217 0.2133913 0.21913044 0.22486956 0.2306087 0.23634782 0.24208696 0.24782608 0.25356522 0.25930434 0.26504347 0.27078262 0.27652174 0.28226086 0.288 0.29373914 0.29947826 0.3052174 0.3109565 0.31669566 0.32243478 0.3281739 0.33391306 0.33965218 0.3453913 0.35113043 0.354 0.3789598 0.43373823 0.49453083 0.560894 0.63262546 0.7097435 0.7924281 0.8809675 0.9757009 1.0769918 1.185164 1.3003672 1.4225982 1.5515665 1.6865888 1.8264723 1.9696519 2.1140625 2.2573826 2.3972235 2.5312846 2.6575894 2.7745714 2.8809946 2.976066 3.0592442 3.130219 3.188861 3.2351034 3.2689657 3.2904665 3.2996335 3.3 3.2983801 3.2914376 3.2793486 3.2624645 3.2411351 3.2157066 3.1865184 3.1539016 3.1181762 3.0796509 3.038621 2.9953678 2.9501593 2.9032478 2.8548713 2.8052528 2.7546015 2.7031112 2.6509624 2.598322 2.5453439 2.4921699 2.438929 2.38574 2.3327103 2.279937 2.227509 2.1755047 2.123995 2.0730433 2.0227048 1.9730291 1.9240588 1.875831 1.8283775 1.7817254 1.7358972 1.690911 1.6467818 1.6035205 1.5611355 1.519632 1.4790128 1.4392782 1.400427 1.3624552 1.325358 1.2891288 1.2537596 1.2192414 1.1855639 1.1527163 1.1206869 1.0894631 1.059032 1.0293802 1.0004936 0.97235847 0.94496 0.9182837 0.8923148 0.8670385 0.8424399 0.81850404 0.79521614 0.77256143 0.7505252 0.7290928 0.70824987 0.6879821 0.66827536 0.64911574 0.6304896 0.61238337 0.5947838 0.5776778 0.5610526 0.5448957 0.5291947 0.5139376 0.4991125 0.48470786 0.4707124 0.45711502 0.44390494 0.43107155 0.41860455 0.40649393 0.3947298 0.38330257 0.37220293 0.36142173 0.35095012 0.34077942 0.3309012 0.32130727 0.31198955 0.3029403 0.29415196 0.28561708 0.27732852 0.26927927 0.2614625 0.25387165 0.24650022 0.23934197 0.23239082 0.22564082 0.21908621 0.21272142 0.20654097 0.2005396 0.19471213 0.1890536 0.1835591 0.17822394 0.17304353 0.1680134 0.16312921 0.15838677 0.15378197 0.14931083 0.1449695 0.14075421 0.13666134 0.13268735 0.12882876 0.12508227 0.12144462 0.11791266 0.11448332 0.11115364 0.10792071 0.104781754 0.10173403 0.09877488 0.09590176 0.093112156 0.090403646 0.08777389 0.08522059 0.08274152 0.080334544 0.07799756 0.07572852 0.07352547 0.071386494 0.06930972 0.067293346 0.06533561 0.06343482 0.061589308 0.059797477 0.058057763 0.056368653 0.054728676 0.0531364 0.051590443 0.050089456

</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="3.3" PeakHeight="222.244" Num="5" zHalfNm="209.54" Error="0.946">
-32.153 0.926 -0.879 0.494 -0.132
</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="6506.833" A="-2.10612257E11" B="6.5003784E7" C="-5015.5986" Error="0.00148"/>
<QuasiParabolic ID="2" StartDistance="6506.833" EndDistance="6533.667" A="0.0" B="-314.55637" C="0.08836167" Error="0.00544"/>
<QuasiParabolic ID="3" StartDistance="6533.667" EndDistance="6557.0" A="6.821231E10" B="-2.097421E7" C="1612.3176" Error="0.00544"/>
<QuasiParabolic ID="4" StartDistance="6557.0" EndDistance="6559.0" A="-1.32172179E12" B="4.02980064E8" C="-30716.055" Error="0.00469"/>
<QuasiParabolic ID="5" StartDistance="6559.0" EndDistance="6565.0" A="1.39753958E13" B="-4.26148608E9" C="324861.5" Error="0.0367"/>
<QuasiParabolic ID="6" StartDistance="6565.0" EndDistance="6573.0" A="2.7320677E13" B="-8.3270707E9" C="634502.4" Error="0.0502"/>
<QuasiParabolic ID="7" StartDistance="6573.0" EndDistance="6582.0" A="4.5875674E13" B="-1.39728937E10" C="1063973.1" Error="0.0386"/>
<QuasiParabolic ID="8" StartDistance="6582.0" EndDistance="6592.244" A="-7.0220798E13" B="2.1304064E10" C="-1615832.2" Error="0.0123"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="80.5" Depth="0.154"/>
<TopsideChapman PeakHeight="222.244" PeakDensity="135111.66" PeakScaleHeight="10.583" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
