<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-27 -147 01:40:00.000"
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" >
2026.05.27 (147) 01:40:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" 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">
FF202614705270140001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.425" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.572" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.235" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.950" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.950" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.775" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="257.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="257.500" 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="3.225" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="280.601" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.950" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.950" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="262.176" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="242.871" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.327" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="27.675" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.918" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="14.674" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="27.270" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.240" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="20">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 3.325 3.35 3.375 3.4 3.425
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
257.500 260.000 260.000 262.500 262.500 265.000 267.500 270.000 272.141 274.575 277.367 280.601 284.393 288.900 294.345 301.056 309.531 320.571 335.550 357.031
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 69 69 93 93 93 93 96 93 93 93 93 93 90 90 87 87 84 0 81
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="396">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 144.41667 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 178.83333 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 213.25 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 262.176 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0
</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 0.35306162 0.35242635 0.351496 0.35034946 0.34906474 0.34757262 0.34580722 0.34384936 0.34170708 0.3393199 0.33670086 0.33386406 0.33075932 0.32740733 0.32383022 0.31999075 0.3158602 0.31147584 0.30682194 0.3017886 0.29647052 0.29077086 0.28478742 0.2783704 0.27152064 0.2642219 0.2564137 0.24812241 0.23924045 0.22962193 0.21941046 0.20837834 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 0.20074576 0.20522034 0.20969492 0.21416949 0.21864407 0.22311865 0.22759321 0.2320678 0.23654237 0.24101695 0.24549152 0.2499661 0.25444067 0.25891525 0.26338983 0.2678644 0.272339 0.27681357 0.28128815 0.2857627 0.29023728 0.29471186 0.29918644 0.30366102 0.3081356 0.31261018 0.31708476 0.3215593 0.3260339 0.33050847 0.33498305 0.33945763 0.3439322 0.3484068 0.35288134 0.354 0.37834364 0.41340742 0.4512844 0.4918329 0.5349055 0.580405 0.62829167 0.67855144 0.73119766 0.7862978 0.84391475 0.9041529 0.9670914 1.0328466 1.1015056 1.1731486 1.2478485 1.3256513 1.406536 1.4904795 1.5773523 1.6669774 1.7590821 1.853339 1.9492775 2.0463965 2.144108 2.2417345 2.3386006 2.4340353 2.5273616 2.617939 2.7051892 2.7886305 2.8678174 2.9423962 3.0120888 3.0766628 3.1359591 3.1898632 3.2382784 3.2811522 3.318462 3.3501816 3.3763113 3.396843 3.4117842 3.4211411 3.4249136 3.425 3.4239578 3.4199672 3.413115 3.4035378 3.3913722 3.3767548 3.3598213 3.3407056 3.3195398 3.296454 3.271575 3.2450268 3.2169297 3.1874008 3.1565535 3.1244965 3.0913355 3.0571716 3.0221019 2.986219 2.9496114 2.9123645 2.8745582 2.8362691 2.79757 2.7585294 2.7192123 2.67968 2.63999 2.6001968 2.5603511 2.520501 2.4806905 2.4409618 2.4013534 2.3619015 2.3226395 2.2835984 2.244807 2.2062914 2.168076 2.130183 2.0926323 2.0554428 2.0186307 1.9822117 1.9461988 1.9106042 1.8754388 1.840712 1.8064318 1.7726054 1.7392389 1.7063372 1.6739047 1.6419443 1.6104586 1.5794493 1.5489174 1.5188632 1.4892864 1.4601862 1.4315615 1.4034101 1.3757299 1.3485185 1.3217726 1.2954888 1.2696637 1.2442931 1.219373 1.194899 1.1708663 1.1472701 1.1241055 1.1013674 1.0790504 1.0571493 1.0356586 1.0145727 0.993886 0.9735929 0.95368755 0.9341643 0.91501737 0.8962409 0.8778292 0.8597764 0.8420767 0.8247244 0.8077136 0.79103875 0.7746941 0.7586739 0.7429726 0.72758466 0.7125045 0.69772667 0.68324566 0.66905624 0.65515304 0.6415308 0.6281843 0.61510855 0.6022984 0.5897488 0.577455 0.565412 0.5536151 0.54205954 0.5307407 0.519654 0.50879496 0.49815914 0.4877422 0.4775398 0.46754777 0.45776194 0.44817823 0.43879265 0.42960125 0.42060018 0.4117856 0.4031538 0.3947011 0.38642392 0.37831867 0.37038192 0.36261028 0.35500035 0.3475489 0.34025267 0.33310848 0.3261133 0.31926405 0.31255773 0.30599144 0.29956228 0.29326746 0.2871042 0.28106982 0.27516162 0.26937705 0.26371357 0.2581686 0.2527398 0.24742465 0.24222088 0.23712616 0.23213822 0.22725485 0.22247389 0.2177932 0.2132107 0.20872435 0.20433214 0.20003213 0.19582237 0.19170101 0.1876662 0.18371612 0.179849 0.17606314 0.1723568 0.16872835 0.16517615 0.16169861 0.15829416 0.15496129 0.15169849 0.14850427 0.14537723 0.14231595 0.13931906 0.1363852 0.13351306 0.13070132 0.12794875 0.12525408 0.122616105 0.120033644 0.11750552 0.1150306 0.11260776 0.11023592 0.10791399 0.10564094 0.103415735 0.10123737 0.09910486 0.09701724 0.09497358 0.09297294 0.09101442 0.089097135 0.08722022 0.08538283 0.08358413 0.0818233 0.08009955 0.0784121 0.07676019 0.07514306 0.07355999 0.072010264 0.07049318 0.06900804 0.067554176 0.06613094 0.06473768 0.06337377 0.06203858 0.06073152 0.059451986 0.05819941 0.056973215 0.05577285 0.05459777 0.053447444 0.052321352 0.05121898 0.05013983

</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="262.176" Num="5" zHalfNm="242.871" Error="1.28">
-49.383 1.187 -1.256 0.739 -0.213
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" 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="6514.417" A="-1.28301556E11" B="3.9599244E7" C="-3055.372" Error="0.00167"/>
<QuasiParabolic ID="2" StartDistance="6514.417" EndDistance="6548.833" A="0.0" B="158.25563" C="0.015737051" Error="0.00244"/>
<QuasiParabolic ID="3" StartDistance="6548.833" EndDistance="6579.0" A="3.632289E10" B="-1.1170895E7" C="858.88416" Error="0.00251"/>
<QuasiParabolic ID="4" StartDistance="6579.0" EndDistance="6582.0" A="-2.15224009E11" B="6.5298752E7" C="-4952.762" Error="0.00425"/>
<QuasiParabolic ID="5" StartDistance="6582.0" EndDistance="6586.0" A="8.534683E12" B="-2.59343949E9" C="197017.62" Error="0.02"/>
<QuasiParabolic ID="6" StartDistance="6586.0" EndDistance="6591.0" A="5.0726332E12" B="-1.54210317E9" C="117201.63" Error="0.0151"/>
<QuasiParabolic ID="7" StartDistance="6591.0" EndDistance="6596.0" A="1.04729191E13" B="-3.18078797E9" C="241513.94" Error="0.00624"/>
<QuasiParabolic ID="8" StartDistance="6596.0" EndDistance="6616.0" A="1.87777208E13" B="-5.6989204E9" C="432397.25" Error="0.0165"/>
<QuasiParabolic ID="9" StartDistance="6616.0" EndDistance="6626.0" A="-2.67634868E13" B="8.0680704E9" C="-608034.4" Error="0.0054"/>
<QuasiParabolic ID="10" StartDistance="6626.0" EndDistance="6632.176" A="-3.6477807E13" B="1.10002534E10" C="-829297.75" Error="1.85E-4"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="103.25" Depth="0.154"/>
<TopsideChapman PeakHeight="262.176" PeakDensity="145541.25" PeakScaleHeight="14.674" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
