<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-02 -122 00:20:00.000"
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" >
2026.05.02 (122) 00:20:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.20" 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">
FF202612205020020001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.200" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.844" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="16.143" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.525" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.525" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.450" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="210.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="210.000" 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="4.125" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="265.883" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.525" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.525" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="225.571" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="207.456" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.815" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="25.986" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.265" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="13.631" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="25.030" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.340" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="68">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.525 2.55 2.575 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 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 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
210.000 210.000 210.833 211.667 212.500 212.500 212.500 212.500 215.000 215.000 215.000 215.000 215.000 215.000 215.625 216.250 216.875 217.500 217.500 218.750 220.000 220.000 220.000 220.000 222.500 222.500 222.500 223.333 224.167 225.000 225.000 227.500 227.500 227.500 227.500 228.333 229.167 230.000 231.250 232.500 233.750 235.000 235.000 235.000 236.250 237.500 237.500 238.750 240.000 240.000 242.500 242.500 245.000 247.500 247.500 248.474 249.556 250.764 252.121 253.658 255.411 257.432 259.785 262.561 265.883 269.932 274.975 281.428
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 0 0 75 75 75 75 78 51 54 51 0 0 0 0 0 0 0 99 0 0 96 99 102 99 0 0 99 102 99 0 87 99 0 0 0 0 0 0 81 81 81 0 0 0 0 81 81 0 105 0 0 96 93 105 102 93 0 102 102 102 105 105 99 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 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 10.9375 -1.5625 1.5625 -1.5625 -1.5625 7.8125 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="351">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 133.33333 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 156.66667 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 225.571 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0
</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 0.3538169 0.35312194 0.35206616 0.35058403 0.34861574 0.3462502 0.3433677 0.34006724 0.336247 0.33195284 0.32717335 0.32179055 0.31589526 0.3093662 0.30218917 0.2942784 0.28568256 0.27623004 0.26589635 0.25450236 0.24202472 0.22809964 0.21270788 0.204 0.204 0.204 0.204 0.204 0.204 0.204 0.204 0.204 0.204 0.204 0.204 0.204 0.204 0.204 0.204 0.204 0.204 0.204 0.204 0.204 0.204 0.204 0.204 0.204 0.20614286 0.21257143 0.219 0.22542857 0.23185714 0.23828572 0.24471429 0.25114286 0.25757143 0.264 0.27042857 0.27685714 0.2832857 0.28971428 0.29614285 0.30257142 0.309 0.31542858 0.32185715 0.32828572 0.3347143 0.34114286 0.34757143 0.354 0.40377247 0.45103994 0.49861988 0.5478198 0.5995352 0.6544602 0.7132135 0.7764067 0.84457976 0.9182817 0.99798864 1.0840901 1.1768622 1.2764096 1.3826047 1.4951527 1.6134815 1.7368163 1.8642677 1.9948187 2.127427 2.261074 2.3947864 2.5276654 2.6589034 2.7877905 2.913656 3.0359387 3.1541283 3.2677224 3.3763337 3.4795432 3.57701 3.6683822 3.753362 3.8316543 3.9029899 3.967109 4.023811 4.0728855 4.1141605 4.1474767 4.1727223 4.1898007 4.198652 4.2 4.1995964 4.1955914 4.1874647 4.175425 4.1596813 4.140442 4.117915 4.0923057 4.063815 4.032641 3.9989767 3.9630096 3.9249218 3.8848894 3.8430817 3.799662 3.7547865 3.708605 3.66126 3.6128871 3.5636158 3.5135686 3.4628608 3.4116023 3.3598957 3.307838 3.2555199 3.2030268 3.1504383 3.0978286 3.0452669 2.9928172 2.9405391 2.8884873 2.836713 2.7852628 2.7341793 2.6835017 2.6332657 2.5835037 2.534245 2.485516 2.437341 2.3897402 2.342733 2.2963352 2.250562 2.205425 2.1609352 2.1171012 2.0739305 2.0314283 1.9895993 1.9484465 1.9079719 1.8681759 1.8290586 1.7906188 1.7528545 1.7157627 1.6793401 1.6435825 1.6084851 1.5740427 1.5402493 1.507099 1.4745849 1.4427003 1.4114375 1.3807893 1.3507476 1.3213047 1.2924521 1.2641815 1.2364845 1.2093524 1.1827765 1.156748 1.1312582 1.1062982 1.0818591 1.057932 1.0345081 1.0115786 0.98913455 0.9671674 0.9456682 0.9246285 0.9040396 0.8838931 0.8641805 0.84489346 0.82602376 0.8075632 0.78950375 0.77183753 0.7545566 0.7376533 0.72111994 0.704949 0.6891331 0.673665 0.65853745 0.6437434 0.629276 0.6151283 0.6012936 0.5877654 0.5745372 0.5616026 0.5489554 0.5365894 0.52449864 0.51267725 0.5011194 0.48981935 0.4787716 0.46797064 0.45741117 0.4470879 0.4369957 0.4271295 0.4174844 0.4080555 0.39883813 0.38982758 0.38101932 0.3724089 0.36399195 0.3557642 0.34772146 0.33985966 0.33217475 0.3246628 0.31732005 0.31014264 0.30312693 0.29626936 0.28956634 0.28301445 0.27661034 0.27035066 0.26423225 0.2582519 0.2524065 0.2466931 0.2411087 0.2356504 0.2303154 0.22510092 0.22000425 0.21502274 0.21015382 0.20539495 0.20074366 0.19619752 0.19175418 0.18741132 0.18316667 0.17901804 0.17496322 0.17100015 0.16712674 0.16334096 0.15964085 0.15602447 0.15248993 0.14903538 0.14565901 0.1423591 0.13913386 0.13598163 0.13290077 0.12988967 0.12694673 0.12407043 0.121259265 0.11851175 0.11582645 0.11320197 0.11063692 0.10812997 0.105679795 0.10328511 0.10094467 0.09865724 0.09642162 0.09423665 0.092101164 0.09001406 0.087974235 0.08598062 0.08403217 0.08212786 0.08026669 0.07844769 0.07666991 0.0749324 0.07323426 0.07157459 0.069952525 0.06836722 0.06681783 0.06530355 0.06382357 0.06237714 0.06096348 0.059581853 0.058231533 0.056911815 0.055621997 0.05436141 0.053129386 0.051925287 0.050748467

</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="4.2" PeakHeight="225.571" Num="5" zHalfNm="207.456" Error="0.869">
-46.867 2.008 -1.2 0.268 0.22
</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="6503.333" A="-2.72938779E11" B="8.424036E7" C="-6499.9023" Error="0.00135"/>
<QuasiParabolic ID="2" StartDistance="6503.333" EndDistance="6526.667" A="0.0" B="415.63892" C="-0.022268487" Error="0.00484"/>
<QuasiParabolic ID="3" StartDistance="6526.667" EndDistance="6528.0" A="-1.88461823E12" B="5.7731258E8" C="-44211.8" Error="0.00878"/>
<QuasiParabolic ID="4" StartDistance="6528.0" EndDistance="6535.0" A="2.35769971E11" B="-7.2316152E7" C="5545.302" Error="0.0194"/>
<QuasiParabolic ID="5" StartDistance="6535.0" EndDistance="6548.0" A="2.52586112E9" B="-933104.44" C="83.706406" Error="0.0105"/>
<QuasiParabolic ID="6" StartDistance="6548.0" EndDistance="6557.0" A="8.2053935E12" B="-2.50639053E9" C="191398.4" Error="0.0186"/>
<QuasiParabolic ID="7" StartDistance="6557.0" EndDistance="6561.0" A="1.69230897E13" B="-5.1654405E9" C="394162.66" Error="0.00141"/>
<QuasiParabolic ID="8" StartDistance="6561.0" EndDistance="6576.0" A="3.6668388E13" B="-1.11844311E10" C="852857.2" Error="0.0145"/>
<QuasiParabolic ID="9" StartDistance="6576.0" EndDistance="6586.0" A="-1.08094785E13" B="3.25530906E9" C="-245054.88" Error="0.00743"/>
<QuasiParabolic ID="10" StartDistance="6586.0" EndDistance="6595.571" A="-6.1845415E13" B="1.875362E10" C="-1421665.1" Error="0.003"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="70.0" Depth="0.15"/>
<TopsideChapman PeakHeight="225.571" PeakDensity="218858.56" PeakScaleHeight="13.631" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
