<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-29 -149 02:20:00.000"
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" >
2026.05.29 (149) 02:20:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.00" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202614905290220001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.600" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.575" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.869" 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="3.950" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.375" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="278.704" 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="258.999" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="239.702" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.039" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="27.674" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.009" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="14.635" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="27.170" 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="26">
<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 3.375 3.4 3.425 3.45 3.475 3.5 3.525 3.55 3.575 3.6
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
252.500 252.500 255.000 255.000 257.500 260.000 260.000 262.500 265.000 265.000 266.378 267.898 269.586 271.469 273.584 275.976 278.704 281.844 285.497 289.800 294.942 301.197 308.969 318.886 331.978 350.061
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 69 81 81 93 93 93 93 93 96 96 96 96 96 90 90 93 93 93 93 78 78 75 72 0 72
</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 -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="394">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 143.25 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 176.5 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 209.75 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 258.999 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0
</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 0.35306174 0.352277 0.35134757 0.35012823 0.34869877 0.34706512 0.34523398 0.343142 0.34080055 0.3382224 0.33542153 0.33234677 0.3290187 0.32545936 0.32156938 0.31744388 0.31299958 0.30822688 0.30312735 0.29771414 0.29194102 0.28570086 0.27913103 0.27213752 0.26456448 0.256557 0.2479685 0.23874018 0.22879031 0.21807829 0.20660281 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 0.20231579 0.20694737 0.21157895 0.21621053 0.22084211 0.22547369 0.23010527 0.23473684 0.23936842 0.244 0.24863158 0.25326315 0.25789472 0.2625263 0.26715788 0.27178946 0.27642104 0.28105262 0.2856842 0.29031578 0.29494736 0.29957893 0.3042105 0.3088421 0.31347367 0.31810525 0.32273683 0.3273684 0.332 0.33663157 0.34126315 0.34589472 0.3505263 0.354 0.36276063 0.39906076 0.43736547 0.47771516 0.52016443 0.5647975 0.6117247 0.6610497 0.7129016 0.76740694 0.8247084 0.8849373 0.9482194 1.0147 1.0844846 1.1576631 1.2343029 1.3144578 1.3980696 1.4851073 1.575433 1.6688054 1.7649732 1.8635342 1.9640614 2.066008 2.1687875 2.2717345 2.3742082 2.475547 2.575045 2.6721041 2.7661455 2.8566358 2.9431021 3.0251544 3.1024659 3.1747243 3.2417316 3.3032982 3.3592649 3.409538 3.4540265 3.492667 3.5254223 3.552251 3.5731382 3.588061 3.5970182 3.6 3.6 3.598379 3.5936167 3.5858572 3.5752447 3.561924 3.54604 3.527736 3.5071533 3.4844322 3.459709 3.433118 3.4047897 3.374851 3.3434248 3.3106303 3.2765825 3.2413917 3.2051642 3.168002 3.130002 3.0912578 3.051858 3.0118864 2.9714234 2.9305449 2.8893225 2.8478243 2.8061142 2.7642524 2.7222955 2.6802964 2.638305 2.5963674 2.5545273 2.512825 2.4712977 2.4299805 2.3889053 2.3481016 2.3075972 2.2674165 2.2275827 2.1881168 2.1490378 2.1103625 2.0721068 2.0342846 1.9969078 1.9599876 1.9235337 1.8875542 1.8520564 1.8170463 1.7825289 1.7485083 1.7149878 1.6819694 1.649455 1.617445 1.5859399 1.5549392 1.5244416 1.4944457 1.4649493 1.4359499 1.4074447 1.3794303 1.351903 1.3248587 1.2982932 1.2722021 1.2465805 1.2214234 1.1967257 1.1724821 1.148687 1.1253349 1.10242 1.0799365 1.0578784 1.0362399 1.0150149 0.99419725 0.97378093 0.95375985 0.9341278 0.9148786 0.8960062 0.87750447 0.85936725 0.84158844 0.82416207 0.807082 0.7903424 0.77393717 0.75786054 0.7421066 0.7266697 0.711544 0.6967239 0.6822037 0.66797805 0.6540413 0.6403882 0.6270134 0.61391157 0.60107756 0.58850634 0.5761928 0.56413203 0.55231905 0.5407492 0.52941763 0.5183198 0.50745094 0.49680674 0.48638263 0.47617435 0.46617752 0.45638803 0.44680166 0.43741438 0.4282222 0.4192212 0.41040748 0.40177733 0.39332703 0.38505286 0.37695134 0.36901888 0.36125207 0.35364756 0.346202 0.3389121 0.33177474 0.32478675 0.3179451 0.31124672 0.30468872 0.29826817 0.29198223 0.28582814 0.2798032 0.27390465 0.26812994 0.2624765 0.2569418 0.25152338 0.24621882 0.24102575 0.23594184 0.23096484 0.22609252 0.22132269 0.2166532 0.21208198 0.20760696 0.20322615 0.19893755 0.19473927 0.1906294 0.18660608 0.18266751 0.17881192 0.17503756 0.17134273 0.16772577 0.16418505 0.16071896 0.15732594 0.15400444 0.15075298 0.14757007 0.1444543 0.14140423 0.13841848 0.13549572 0.13263461 0.12983385 0.12709218 0.12440835 0.12178115 0.11920938 0.11669188 0.1142275 0.11181514 0.10945368 0.10714206 0.10487923 0.102664165 0.10049585 0.09837331 0.09629557 0.0942617 0.09227076 0.090321854 0.08841409 0.08654661 0.08471855 0.08292909 0.08117741 0.07946273 0.07778425 0.07614121 0.07453286 0.07295848 0.07141734 0.06990875 0.06843202 0.06698647 0.06557145 0.06418631 0.06283043 0.061503187 0.06020397 0.058932193 0.05768728 0.056468654 0.05527577 0.054108083 0.052965056 0.051846173 0.050750922

</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="3.6" PeakHeight="258.999" Num="5" zHalfNm="239.702" Error="1.305">
-49.733 1.142 -1.213 0.665 -0.11
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="12" 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="6513.25" A="-1.37420415E11" B="4.2413708E7" C="-3272.5374" Error="0.00164"/>
<QuasiParabolic ID="2" StartDistance="6513.25" EndDistance="6546.5" A="0.0" B="992.76416" C="-0.11239445" Error="0.0187"/>
<QuasiParabolic ID="3" StartDistance="6546.5" EndDistance="6579.0" A="2.87380767E10" B="-8868328.0" C="684.1437" Error="0.0187"/>
<QuasiParabolic ID="4" StartDistance="6579.0" EndDistance="6581.0" A="1.43604308E13" B="-4.3656678E9" C="331798.25" Error="0.0124"/>
<QuasiParabolic ID="5" StartDistance="6581.0" EndDistance="6582.0" A="-3.07135644E12" B="9.319424E8" C="-70694.54" Error="9.14E-11"/>
<QuasiParabolic ID="6" StartDistance="6582.0" EndDistance="6583.0" A="1.11177389E13" B="-3.37954176E9" C="256826.3" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6583.0" EndDistance="6586.0" A="4.25653646E12" B="-1.29502054E9" C="98500.2" Error="0.00661"/>
<QuasiParabolic ID="8" StartDistance="6586.0" EndDistance="6593.0" A="1.00985974E13" B="-3.06910515E9" C="233186.25" Error="0.00529"/>
<QuasiParabolic ID="9" StartDistance="6593.0" EndDistance="6611.0" A="2.20072845E13" B="-6.6816302E9" C="507152.94" Error="0.0111"/>
<QuasiParabolic ID="10" StartDistance="6611.0" EndDistance="6620.0" A="-1.7933508E13" B="5.4015022E9" C="-406712.75" Error="0.00264"/>
<QuasiParabolic ID="11" StartDistance="6620.0" EndDistance="6628.999" A="-4.01733E13" B="1.21204726E10" C="-914187.8" Error="0.00124"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="99.75" Depth="0.154"/>
<TopsideChapman PeakHeight="258.999" PeakDensity="160794.05" PeakScaleHeight="14.635" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
