<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-09 -099 07:55:00.000"
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" >
2026.04.09 (099) 07:55:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202609904090755001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.900" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.848" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.158" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.600" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.600" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.300" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="237.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="237.500" 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="2.775" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="252.643" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.600" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.600" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="232.675" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="218.702" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.714" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="19.971" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.484" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.650" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="19.580" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.330" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="13">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.6 2.625 2.65 2.675 2.7 2.725 2.75 2.775 2.8 2.825 2.85 2.875 2.9
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
237.500 237.500 240.000 241.703 243.708 246.105 249.020 252.643 257.265 263.367 271.797 284.196 304.237
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 69 69 0 69 69 69 54 60 48 0 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 7.8125 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="300">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 139.75 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 169.5 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 199.25 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 232.675 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0
</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 0.352762 0.35182965 0.3506064 0.3491724 0.34738788 0.34533682 0.34299496 0.34037665 0.33746356 0.3342082 0.33063674 0.3267138 0.32253745 0.31796023 0.31297803 0.30765462 0.30189866 0.29567927 0.28909197 0.28191414 0.2741947 0.26597098 0.25704813 0.24743798 0.23701459 0.22570056 0.21345264 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 0.20258823 0.2077647 0.21294117 0.21811765 0.22329412 0.2284706 0.23364706 0.23882353 0.244 0.24917647 0.25435293 0.2595294 0.2647059 0.26988235 0.27505884 0.2802353 0.28541178 0.29058823 0.2957647 0.30094117 0.30611765 0.3112941 0.3164706 0.32164705 0.32682353 0.332 0.33717647 0.34235293 0.3475294 0.3527059 0.354 0.38733235 0.43743348 0.4932523 0.5539939 0.6190464 0.6881335 0.7611947 0.83834517 0.9197751 1.0057392 1.0964403 1.1920453 1.2925768 1.3978972 1.5075592 1.6208481 1.7367088 1.853684 1.9701364 2.0842695 2.1943762 2.2989018 2.3965657 2.4864733 2.567947 2.640624 2.7042966 2.7589083 2.8044891 2.8411102 2.8688586 2.887805 2.8980207 2.9 2.8997378 2.895731 2.887125 2.8742218 2.8573244 2.8367326 2.8127427 2.785643 2.7557147 2.7232287 2.688445 2.6516128 2.6129684 2.5727365 2.5311286 2.488344 2.4445686 2.3999772 2.354731 2.308981 2.2628653 2.216512 2.1700387 2.1235528 2.0771523 2.0309262 1.9849552 1.9393121 1.894062 1.8492634 1.8049681 1.7612219 1.7180651 1.6755329 1.6336554 1.5924586 1.5519644 1.5121909 1.4731528 1.4348617 1.3973265 1.3605533 1.324546 1.2893064 1.2548343 1.2211277 1.1881835 1.1559967 1.1245613 1.0938702 1.0639153 1.0346876 1.0061778 0.9783753 0.9512693 0.9248486 0.8991015 0.8740159 0.84957963 0.82578015 0.80260485 0.780041 0.7580757 0.73669624 0.71588975 0.69564337 0.6759444 0.65678024 0.63813823 0.62000597 0.6023712 0.58522177 0.56854564 0.5523311 0.53656644 0.5212403 0.50634146 0.49185884 0.47778168 0.46409935 0.45080143 0.4378778 0.42531845 0.41311365 0.4012539 0.38972986 0.3785324 0.3676527 0.35708204 0.34681192 0.33683416 0.3271406 0.31772345 0.30857506 0.2996879 0.2910547 0.2826684 0.2745221 0.26660904 0.25892267 0.25145662 0.24420471 0.23716086 0.23031922 0.22367404 0.21721977 0.21095099 0.20486243 0.19894896 0.19320562 0.18762757 0.18221006 0.17694853 0.17183854 0.16687573 0.16205591 0.157375 0.152829 0.14841406 0.14412643 0.13996243 0.13591854 0.13199131 0.12817739 0.124473505 0.12087651 0.11738334 0.11399099 0.11069658 0.107497275 0.104390346 0.10137313 0.098443046 0.09559758 0.0928343 0.09015083 0.08754488 0.08501422 0.08255665 0.080170095 0.07785249 0.07560184 0.07341623 0.07129378 0.06923266 0.0672311 0.06528738 0.063399844 0.06156686 0.05978685 0.058058288 0.056379687 0.054749604 0.053166643 0.051629435 0.050136667

</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="2.9" PeakHeight="232.675" Num="5" zHalfNm="218.702" Error="0.906">
-34.216 1.442 -1.044 0.583 -0.19
</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="6509.75" A="-1.71482022E11" B="5.2926548E7" C="-4083.7134" Error="0.00152"/>
<QuasiParabolic ID="2" StartDistance="6509.75" EndDistance="6539.5" A="0.0" B="1904.8665" C="-0.25259453" Error="0.0327"/>
<QuasiParabolic ID="3" StartDistance="6539.5" EndDistance="6567.0" A="2.36162212E10" B="-7330125.0" C="568.7069" Error="0.0327"/>
<QuasiParabolic ID="4" StartDistance="6567.0" EndDistance="6568.0" A="-2.05116827E12" B="6.2455187E8" C="-47541.69" Error="6.21E-11"/>
<QuasiParabolic ID="5" StartDistance="6568.0" EndDistance="6571.0" A="1.3895056E13" B="-4.23118003E9" C="322109.03" Error="0.0269"/>
<QuasiParabolic ID="6" StartDistance="6571.0" EndDistance="6579.0" A="1.34802341E13" B="-4.10492186E9" C="312501.78" Error="0.0327"/>
<QuasiParabolic ID="7" StartDistance="6579.0" EndDistance="6584.0" A="3.46460143E13" B="-1.05392671E10" C="801508.2" Error="0.00632"/>
<QuasiParabolic ID="8" StartDistance="6584.0" EndDistance="6592.0" A="1.93922094E13" B="-5.9056696E9" C="449624.97" Error="0.0194"/>
<QuasiParabolic ID="9" StartDistance="6592.0" EndDistance="6602.675" A="-4.5075875E13" B="1.36538214E10" C="-1033952.94" Error="0.00785"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="89.25" Depth="0.154"/>
<TopsideChapman PeakHeight="232.675" PeakDensity="104342.43" PeakScaleHeight="10.65" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
