<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-03 -123 01:30:00.000"
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" >
2026.05.03 (123) 01:30:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202612305030130001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.325" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.763" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="16.276" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.075" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.075" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.675" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="232.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="232.500" 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="4.225" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="273.377" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.075" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.075" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="239.391" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="222.655" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.399" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="24.081" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.251" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="12.641" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="23.500" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.220" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="51">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 3.75 3.775 3.8 3.825 3.85 3.875 3.9 3.925 3.95 3.975 4.0 4.025 4.05 4.075 4.1 4.125 4.15 4.175 4.2 4.225 4.25 4.275 4.3 4.325
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
232.500 232.917 233.333 233.750 234.167 234.583 235.000 235.000 235.000 237.500 237.500 237.500 237.500 237.500 240.000 240.000 240.000 240.000 242.500 242.500 242.500 242.500 245.000 245.000 245.000 247.500 247.500 247.500 248.333 249.167 250.000 252.500 252.500 252.500 255.000 257.500 257.500 258.750 260.000 261.250 262.500 265.000 267.500 267.500 269.111 271.036 273.377 276.287 280.000 284.903 291.676
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
93 0 0 0 0 0 93 93 93 93 96 96 99 99 99 99 87 87 87 90 87 87 84 87 84 84 84 84 0 0 90 90 90 90 102 96 90 0 87 0 99 102 102 102 105 108 99 96 108 102 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 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 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="352">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 138.58333 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 167.16667 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 195.75 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 239.391 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0
</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 0.3533988 0.35268724 0.35168076 0.35038465 0.34873247 0.34680796 0.3446216 0.34204412 0.33923516 0.3360058 0.33251932 0.32860458 0.3243659 0.31978112 0.314722 0.3093164 0.3034716 0.29713094 0.29034886 0.28298154 0.27503994 0.26650268 0.25724816 0.24721296 0.23637795 0.22454801 0.21165071 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 0.2044898 0.20987755 0.2152653 0.22065306 0.22604081 0.23142858 0.23681633 0.24220408 0.24759184 0.2529796 0.25836736 0.2637551 0.26914287 0.27453062 0.27991837 0.28530613 0.29069388 0.29608163 0.3014694 0.30685714 0.3122449 0.31763265 0.3230204 0.32840815 0.3337959 0.3391837 0.34457144 0.3499592 0.354 0.36464158 0.40936753 0.4576587 0.5097064 0.56572545 0.6259125 0.69049805 0.75972366 0.8338053 0.9129666 0.99737453 1.0872092 1.1825974 1.2835785 1.3901787 1.50229 1.6197449 1.7422194 1.8693367 2.0005584 2.1352487 2.2726762 2.412001 2.5523174 2.6926746 2.8321059 2.9696271 3.1042628 3.2351358 3.3613577 3.4821658 3.5968056 3.7046523 3.8051407 3.897744 3.982053 4.0576797 4.12433 4.1817484 4.229706 4.2680526 4.2966447 4.315393 4.3242407 4.325 4.3240294 4.3183403 4.307792 4.292654 4.273197 4.2496896 4.222398 4.1915836 4.157504 4.120409 4.0805416 4.0381374 3.993423 3.946616 3.8979256 3.8475509 3.7956817 3.7424986 3.6881726 3.6328647 3.5767276 3.5199041 3.462529 3.4047277 3.3466177 3.2883086 3.2299023 3.1714928 3.1131675 3.055007 2.997085 2.9394705 2.8822248 2.8254051 2.7690628 2.7132447 2.657993 2.6033456 2.5493362 2.495995 2.4433484 2.3914196 2.3402288 2.2897933 2.2401276 2.191244 2.1431522 2.0958602 2.0493739 2.003697 1.958832 1.91478 1.8715403 1.8291111 1.7874895 1.7466716 1.7066522 1.6674256 1.6289853 1.5913239 1.5544335 1.5183054 1.4829309 1.4483005 1.4144043 1.3812321 1.3487737 1.3170183 1.2859548 1.2555726 1.22586 1.1968061 1.1683993 1.1406283 1.1134816 1.0869478 1.0610154 1.035673 1.0109093 0.98671293 0.9630728 0.9399776 0.91741645 0.89537835 0.87385255 0.8528284 0.83229524 0.81224275 0.79266065 0.7735388 0.7548673 0.7366362 0.718836 0.7014571 0.6844902 0.6679261 0.65175575 0.63597035 0.6205612 0.6055197 0.5908376 0.57650656 0.56251866 0.5488659 0.53554064 0.52253526 0.50984234 0.49745464 0.485365 0.47356647 0.46205226 0.45081568 0.4398502 0.42914945 0.41870713 0.4085172 0.39857367 0.38887066 0.37940246 0.37016353 0.3611484 0.3523517 0.34376824 0.33539292 0.32722077 0.31924692 0.3114666 0.3038752 0.29646817 0.28924105 0.28218958 0.27530944 0.2685966 0.26204696 0.25565663 0.24942172 0.24333851 0.23740332 0.2316126 0.22596282 0.22045058 0.21507256 0.20982552 0.20470625 0.1997117 0.1948388 0.19008464 0.18544632 0.18092103 0.17650603 0.17219864 0.16799624 0.16389629 0.1598963 0.15599383 0.15218651 0.14847204 0.14484815 0.14131264 0.13786337 0.13449822 0.13121517 0.1280122 0.12488735 0.12183874 0.11886451 0.11596284 0.11313198 0.11037018 0.107675776 0.105047114 0.1024826 0.099980675 0.0975398 0.095158495 0.09283531 0.09056882 0.08835764 0.08620044 0.08409589 0.0820427 0.08003963 0.07808545 0.076178975 0.074319035 0.0725045 0.070734255 0.069007225 0.06732235 0.06567861 0.064075 0.06251053 0.060984258 0.059495244 0.058042582 0.05662538 0.055242784 0.05389394 0.052578025 0.051294237 0.050041795

</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="4.325" PeakHeight="239.391" Num="5" zHalfNm="222.655" Error="0.525">
-44.345 1.186 -0.772 0.334 -0.044
</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="6508.583" A="-1.85709953E11" B="5.7317888E7" C="-4422.5513" Error="0.00149"/>
<QuasiParabolic ID="2" StartDistance="6508.583" EndDistance="6537.167" A="0.0" B="30.001133" C="0.035410687" Error="5.04E-4"/>
<QuasiParabolic ID="3" StartDistance="6537.167" EndDistance="6538.0" A="1.18689051E13" B="-3.63090022E9" C="277688.56" Error="0.0819"/>
<QuasiParabolic ID="4" StartDistance="6538.0" EndDistance="6557.0" A="-6.2266393E10" B="1.8892492E7" C="-1432.9263" Error="0.079"/>
<QuasiParabolic ID="5" StartDistance="6557.0" EndDistance="6565.0" A="3.04268313E11" B="-9.2907024E7" C="7092.277" Error="0.00889"/>
<QuasiParabolic ID="6" StartDistance="6565.0" EndDistance="6571.0" A="1.21400019E13" B="-3.69861402E9" C="281708.2" Error="0.0564"/>
<QuasiParabolic ID="7" StartDistance="6571.0" EndDistance="6576.0" A="1.44115604E13" B="-4.3900032E9" C="334317.3" Error="0.0174"/>
<QuasiParabolic ID="8" StartDistance="6576.0" EndDistance="6597.0" A="3.5957894E13" B="-1.09430241E10" C="832570.1" Error="0.0416"/>
<QuasiParabolic ID="9" StartDistance="6597.0" EndDistance="6609.391" A="-7.3434378E13" B="2.22212239E10" C="-1681015.4" Error="0.0125"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="85.75" Depth="0.154"/>
<TopsideChapman PeakHeight="239.391" PeakDensity="232079.72" PeakScaleHeight="12.641" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
