<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-11 -131 01:00:00.000"
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" >
2026.05.11 (131) 01:00:00</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">
FF202613105110100001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.725" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.608" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.441" 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="4.150" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="242.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="242.500" 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="3.525" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="277.500" 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="252.550" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="232.523" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.595" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="28.673" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.117" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="15.266" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="27.390" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.480" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="33">
<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 3.325 3.35 3.375 3.4 3.425 3.45 3.475 3.5 3.525 3.55 3.575 3.6 3.625 3.65 3.675 3.7 3.725
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
242.500 242.500 242.500 242.500 245.000 245.000 247.500 247.500 250.000 250.000 252.500 252.500 255.000 255.000 257.500 257.500 257.500 262.500 265.000 267.500 267.500 270.000 272.500 275.000 277.500 285.000 287.500 292.500 297.500 312.500 315.000 328.754 347.876
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
57 60 66 69 81 84 93 96 93 96 93 99 105 108 105 108 108 108 108 105 111 108 84 84 108 105 96 93 90 78 75 69 66
</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 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="399">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 140.91667 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 171.83333 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 202.75 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 252.55 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0
</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 0.3529119 0.3519786 0.3509026 0.34953943 0.34789655 0.34598285 0.3438088 0.34138623 0.3386593 0.33571413 0.33243394 0.32884502 0.3249759 0.3207348 0.3162249 0.311316 0.3060709 0.30039963 0.29436976 0.2878726 0.28096467 0.27349284 0.26549044 0.25688842 0.24761072 0.23761433 0.22685163 0.21513027 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 0.20083019 0.20581132 0.21079245 0.21577358 0.22075471 0.22573584 0.23071699 0.23569812 0.24067925 0.24566038 0.2506415 0.25562266 0.2606038 0.26558492 0.27056605 0.27554718 0.2805283 0.28550944 0.29049057 0.2954717 0.30045283 0.30543396 0.3104151 0.31539622 0.32037735 0.32535848 0.3303396 0.33532074 0.3403019 0.34528303 0.35026416 0.354 0.36318156 0.40092996 0.44033405 0.4814262 0.52428716 0.56904197 0.6158377 0.6648216 0.7161974 0.77013665 0.8268569 0.88659 0.9495421 1.0159577 1.0860647 1.1601056 1.2382723 1.3207446 1.4076722 1.4990767 1.5949087 1.6950167 1.7990775 1.906576 2.0168424 2.1290498 2.2422636 2.3554552 2.4675708 2.5776074 2.6846502 2.7879295 2.8868184 2.980784 3.069473 3.1526542 3.230136 3.3018708 3.367791 3.4279544 3.4823632 3.531101 3.5742264 3.6118002 3.643907 3.6706 3.691933 3.7079577 3.718709 3.7242084 3.725 3.724686 3.7217836 3.7159472 3.7073083 3.6959984 3.68215 3.6658943 3.6473618 3.6266818 3.603981 3.579384 3.553013 3.524987 3.4954216 3.4644296 3.4321198 3.3985977 3.363965 3.3283193 3.2917547 3.2543614 3.2162256 3.1774297 3.1380527 3.098169 3.0578504 3.017164 2.976174 2.9349415 2.8935235 2.8519738 2.8103435 2.7686803 2.7270296 2.685433 2.64393 2.6025572 2.5613492 2.5203376 2.4795523 2.4390202 2.3987668 2.3588154 2.3191874 2.2799027 2.240979 2.2024324 2.1642783 2.1265295 2.089198 2.052295 2.0158296 1.97981 1.9442438 1.909137 1.8744951 1.8403226 1.8066227 1.7733986 1.7406521 1.7083848 1.6765972 1.6452898 1.614462 1.584113 1.5542413 1.5248454 1.4959227 1.467471 1.4394872 1.4119681 1.3849102 1.3583097 1.3321627 1.3064649 1.2812119 1.2563989 1.2320213 1.2080743 1.1845528 1.1614515 1.1387653 1.1164889 1.094617 1.073144 1.0520643 1.0313727 1.0110633 0.99113077 0.9715694 0.9523736 0.9335378 0.91505635 0.89692366 0.8791343 0.86168265 0.8445632 0.8277705 0.8112991 0.7951436 0.77929866 0.763759 0.74851936 0.73357457 0.7189194 0.7045488 0.69045776 0.6766412 0.6630944 0.64981234 0.6367903 0.6240235 0.61150736 0.5992372 0.5872085 0.5754168 0.56385773 0.55252695 0.5414201 0.5305331 0.5198617 0.50940186 0.4991496 0.48910093 0.479252 0.469599 0.46013814 0.45086578 0.44177824 0.43287197 0.4241435 0.41558936 0.40720615 0.39899057 0.39093938 0.38304934 0.3753173 0.36774018 0.36031494 0.3530386 0.34590825 0.338921 0.33207408 0.32536465 0.31879002 0.31234756 0.30603462 0.29984865 0.29378712 0.28784758 0.2820276 0.2763248 0.27073684 0.26526147 0.25989643 0.2546395 0.24948856 0.24444148 0.23949617 0.23465061 0.2299028 0.2252508 0.22069268 0.21622656 0.2118506 0.207563 0.20336197 0.1992458 0.19521275 0.19126119 0.18738945 0.18359596 0.17987913 0.1762374 0.17266929 0.16917332 0.16574802 0.16239196 0.15910377 0.15588208 0.15272553 0.14963283 0.14660268 0.14363383 0.14072502 0.13787508 0.13508278 0.13234699 0.12966655 0.12704036 0.124467306 0.12194632 0.11947636 0.11705639 0.11468541 0.11236241 0.11008643 0.107856534 0.10567177 0.10353124 0.101434045 0.09937931 0.09736618 0.0953938 0.093461365 0.09156805 0.08971308 0.08789567 0.08611506 0.08437051 0.082661286 0.08098668 0.079345986 0.077738516 0.076163605 0.0746206 0.07310883 0.071627684 0.07017654 0.068754785 0.06736183 0.06599709 0.06465999 0.06334998 0.062066495 0.060809016 0.059577007 0.058369953 0.057187352 0.056028705 0.05489353 0.053781353 0.0526917 0.051624127 0.05057818

</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="3.725" PeakHeight="252.55" Num="5" zHalfNm="232.523" Error="1.706">
-51.262 2.829 -2.378 1.208 -0.197
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="13" 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="6510.917" A="-1.58830494E11" B="4.902176E7" C="-3782.4177" Error="0.00166"/>
<QuasiParabolic ID="2" StartDistance="6510.917" EndDistance="6541.833" A="0.0" B="410.06573" C="-0.022954488" Error="0.00677"/>
<QuasiParabolic ID="3" StartDistance="6541.833" EndDistance="6571.0" A="4.1349054E10" B="-1.2730525E7" C="979.85864" Error="0.00677"/>
<QuasiParabolic ID="4" StartDistance="6571.0" EndDistance="6572.0" A="-4.19508126E11" B="1.27539504E8" C="-9693.557" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6572.0" EndDistance="6574.0" A="1.51962035E13" B="-4.6246548E9" C="351855.03" Error="0.0115"/>
<QuasiParabolic ID="6" StartDistance="6574.0" EndDistance="6575.0" A="-4.31601693E12" B="1.31152384E9" C="-99634.09" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6575.0" EndDistance="6576.0" A="1.08212299E13" B="-3.29296205E9" C="250516.92" Error="0.0"/>
<QuasiParabolic ID="8" StartDistance="6576.0" EndDistance="6581.0" A="5.3794329E12" B="-1.63791411E9" C="124676.91" Error="0.0112"/>
<QuasiParabolic ID="9" StartDistance="6581.0" EndDistance="6587.0" A="1.21552975E13" B="-3.69713434E9" C="281128.84" Error="0.00244"/>
<QuasiParabolic ID="10" StartDistance="6587.0" EndDistance="6602.0" A="2.73098935E13" B="-8.2984991E9" C="630405.06" Error="0.0164"/>
<QuasiParabolic ID="11" StartDistance="6602.0" EndDistance="6610.0" A="-1.19175066E13" B="3.58499021E9" C="-269586.6" Error="0.0044"/>
<QuasiParabolic ID="12" StartDistance="6610.0" EndDistance="6622.55" A="-3.6470811E13" B="1.10141297E10" C="-831548.75" Error="0.00224"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="92.75" Depth="0.154"/>
<TopsideChapman PeakHeight="252.55" PeakDensity="172154.16" PeakScaleHeight="15.266" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
