<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-09 -129 21:40:00.000"
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="20.0">
<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" >
2026.05.09 (129) 21:40:00</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">
FF202612905092140001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.825" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.888" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.873" 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="4.200" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="205.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="205.000" 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="0.125" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.575" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="238.564" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.472" 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="221.586" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="200.755" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.840" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="29.737" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.244" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="16.305" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="25.040" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.850" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="35">
<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 3.625 3.65 3.675 3.7 3.725 3.75 3.775 3.8 3.825
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
205.000 205.000 205.000 207.500 207.500 207.500 210.000 210.000 212.500 212.500 215.000 215.000 217.500 217.500 220.000 220.000 222.500 227.500 227.500 228.845 230.344 232.025 233.923 236.084 238.564 241.442 244.821 248.845 253.718 259.738 267.368 277.351 290.975 310.675 341.682
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
48 48 60 60 63 63 75 78 75 75 75 78 75 78 87 87 87 81 69 66 63 66 66 66 63 63 48 51 75 75 48 39 39 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 3.125 -3.125 -3.125 3.125 -3.125 3.125 3.125 3.125 -3.125 -3.125 -3.125 3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 3.125 -3.125 -3.125 3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="387">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
91.871 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 132.16667 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 154.33333 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 176.5 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 221.586 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.20581885 0.24764523 0.28271437 0.31213427 0.3372206 0.3589051 0.37781176 0.39437404 0.40889573 0.42159632 0.43264675 0.4421728 0.4502686 0.45701325 0.4624613 0.4666566 0.46963227 0.47140908 0.472 0.47169068 0.4708525 0.46931568 0.46726957 0.4645584 0.4612957 0.457346 0.45275685 0.44758347 0.44165808 0.43500057 0.42758256 0.41941297 0.41041526 0.40053204 0.38964835 0.3777508 0.36466196 0.3502389 0.33435893 0.316702 0.29704902 0.291 0.291 0.291 0.291 0.291 0.291 0.291 0.291 0.291 0.291 0.291 0.291 0.291 0.291 0.291 0.291 0.291 0.291 0.291 0.291 0.291 0.291 0.291 0.291 0.2964436 0.30460903 0.31277445 0.32093984 0.32910526 0.33727068 0.3454361 0.35360152 0.3617669 0.36993232 0.37809774 0.38626316 0.39442858 0.40259397 0.4107594 0.4189248 0.42709023 0.43525565 0.44342107 0.45158646 0.45975187 0.4679173 0.472 0.49371856 0.5414492 0.5937943 0.64940953 0.7073383 0.7670765 0.828528 0.891808 0.9572091 1.0251122 1.0960001 1.170413 1.248974 1.3324229 1.4216309 1.5175295 1.621203 1.7337871 1.8562872 1.989275 2.132439 2.2837043 2.4390192 2.5928738 2.7398205 2.8759482 2.9994743 3.1101725 3.2087862 3.296391 3.3741467 3.443148 3.504327 3.5585034 3.6063569 3.6484601 3.6852896 3.7172241 3.744589 3.7676513 3.7866228 3.8016655 3.8129168 3.8204682 3.824382 3.825 3.8247604 3.8222418 3.8170674 3.8093474 3.7991931 3.7867162 3.7720273 3.755237 3.7364547 3.7157884 3.693344 3.6692262 3.643537 3.6163764 3.5878415 3.5580268 3.5270243 3.4949229 3.4618087 3.4277644 3.3928704 3.3572035 3.3208375 3.2838435 3.2462893 3.2082398 3.169757 3.1308997 3.0917244 3.0522847 3.0126312 2.9728117 2.9328723 2.892856 2.852803 2.812752 2.7727392 2.7327983 2.692961 2.6532574 2.6137152 2.5743604 2.5352173 2.4963086 2.457655 2.419276 2.3811893 2.3434117 2.3059583 2.2688427 2.2320778 2.1956751 2.159645 2.1239967 2.088739 2.0538788 2.0194232 1.9853778 1.9517475 1.9185368 1.885749 1.8533871 1.8214536 1.78995 1.7588776 1.728237 1.6980287 1.6682522 1.638907 1.6099921 1.5815061 1.5534474 1.5258138 1.4986032 1.4718131 1.4454405 1.4194826 1.3939362 1.3687977 1.3440638 1.3197305 1.2957941 1.2722507 1.249096 1.2263259 1.2039361 1.1819222 1.1602799 1.1390043 1.1180913 1.0975361 1.0773339 1.0574803 1.0379705 1.0187998 0.9999634 0.9814567 0.96327496 0.9454134 0.92786735 0.9106322 0.89370316 0.8770756 0.860745 0.84470665 0.828956 0.81348854 0.79829973 0.78338516 0.7687404 0.75436103 0.7402427 0.72638124 0.71277225 0.6994116 0.68629503 0.6734186 0.6607781 0.6483696 0.63618916 0.62423277 0.6124967 0.600977 0.58967006 0.57857203 0.5676794 0.5569885 0.5464957 0.53619766 0.5260908 0.5161718 0.50643736 0.4968841 0.4875088 0.4783083 0.46927944 0.46041912 0.45172432 0.44319203 0.4348193 0.4266033 0.41854107 0.4106299 0.402867 0.39524966 0.38777524 0.3804411 0.37324467 0.3661834 0.35925487 0.35245654 0.3457861 0.33924115 0.33281934 0.32651845 0.32033622 0.31427044 0.30831894 0.30247962 0.2967504 0.2911292 0.28561407 0.28020296 0.27489397 0.2696852 0.2645748 0.25956085 0.25464162 0.24981534 0.24508025 0.24043462 0.23587681 0.23140517 0.22701806 0.22271392 0.21849118 0.21434832 0.21028383 0.20629625 0.20238411 0.19854604 0.19478059 0.19108641 0.18746218 0.18390657 0.18041828 0.17699607 0.17363866 0.17034483 0.1671134 0.16394319 0.16083303 0.1577818 0.15478839 0.1518517 0.14897066 0.14614423 0.14337136 0.14065105 0.13798231 0.13536416 0.13279563 0.1302758 0.12780376 0.12537858 0.12299938 0.12066529 0.11837547 0.11612907 0.11392527 0.11176327 0.10964227 0.1075615 0.10552019 0.10351761 0.101553 0.09962567 0.09773489 0.09587999 0.094060265 0.09227507 0.090523735 0.08880563 0.08712012 0.08546659 0.08384444 0.08225306 0.080691874 0.07916031 0.07765781 0.07618382 0.074737795 0.07331921 0.07192755 0.07056229 0.06922294 0.06790901 0.06662001 0.06535547 0.06411493 0.062897936 0.061704032 0.06053279 0.059383772 0.058256567 0.057150748 0.05606592 0.05500168 0.053957637 0.05293341 0.051928625 0.050942905

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.472" PeakHeight="110.0" Num="3" Error="0.0">
-21.814 4.034 -0.349
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.472" EndFrequency="3.825" PeakHeight="221.586" Num="5" zHalfNm="200.755" Error="2.148">
-49.48 7.951 -5.705 2.859 -0.711
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="12" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.005" EndDistance="6480.001" A="-9.7656845E11" B="3.01410016E8" C="-23256.723" Error="0.00891"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6502.167" A="-4.98123735E11" B="1.53741904E8" C="-11862.578" Error="0.00269"/>
<QuasiParabolic ID="2" StartDistance="6502.167" EndDistance="6524.333" A="0.0" B="-614.0628" C="0.17934893" Error="0.00648"/>
<QuasiParabolic ID="3" StartDistance="6524.333" EndDistance="6544.0" A="1.43639822E11" B="-4.4223552E7" C="3403.8872" Error="0.00648"/>
<QuasiParabolic ID="4" StartDistance="6544.0" EndDistance="6545.0" A="-1.48980525E12" B="4.54995584E8" C="-34739.383" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6545.0" EndDistance="6547.0" A="9.7360544E12" B="-2.97536614E9" C="227320.34" Error="0.0136"/>
<QuasiParabolic ID="6" StartDistance="6547.0" EndDistance="6548.0" A="3.39308813E13" B="-1.03664845E10" C="791786.4" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6548.0" EndDistance="6553.0" A="5.8349039E12" B="-1.78494029E9" C="136506.58" Error="0.0198"/>
<QuasiParabolic ID="8" StartDistance="6553.0" EndDistance="6560.0" A="1.54352033E13" B="-4.7149875E9" C="360071.9" Error="0.00392"/>
<QuasiParabolic ID="9" StartDistance="6560.0" EndDistance="6572.0" A="5.0400984E13" B="-1.53752863E10" C="1172594.8" Error="0.0185"/>
<QuasiParabolic ID="10" StartDistance="6572.0" EndDistance="6577.0" A="-7.9177898E13" B="2.40583352E10" C="-1827528.6" Error="0.0114"/>
<QuasiParabolic ID="11" StartDistance="6577.0" EndDistance="6591.586" A="-2.80463021E13" B="8.5097283E9" C="-645484.7" Error="0.00623"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="66.5" Depth="0.181"/>
<TopsideChapman PeakHeight="221.586" PeakDensity="181521.4" PeakScaleHeight="16.305" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
