<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-05 -095 06:30:00.000"
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" >
2026.04.05 (095) 06:30:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202609504050630001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.325" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.821" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="16.524" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.550" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.550" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.650" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="217.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="217.500" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.200" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="262.359" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.550" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.550" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="231.587" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="212.117" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.190" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="27.820" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.453" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="14.942" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="25.410" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.950" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="72">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 4.225 4.25 4.275 4.3 4.325
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
217.500 217.500 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 222.500 222.500 222.500 222.500 222.500 222.500 222.500 222.500 222.500 222.500 222.500 225.000 225.000 225.000 225.000 225.000 225.000 227.500 227.500 227.500 227.500 227.500 230.000 230.000 230.000 230.000 230.000 230.000 230.000 232.500 232.500 232.500 235.000 235.000 235.000 235.000 237.500 237.500 237.500 237.500 238.750 240.000 240.000 242.500 245.000 245.000 245.000 247.500 248.344 249.298 250.384 251.633 253.084 254.791 256.827 259.298 262.359 266.252 271.369 278.393 288.636 304.970
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
63 66 69 69 69 66 69 69 69 69 66 57 57 54 0 0 51 78 78 78 78 93 93 96 96 96 96 96 96 93 96 93 87 63 66 90 87 69 69 87 93 81 81 84 84 84 81 72 69 66 57 75 72 87 81 63 66 105 108 105 108 72 69 96 96 93 96 99 93 87 87 84
</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 4.6875 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 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="380">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 135.08333 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 160.16667 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 185.25 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 231.587 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0
</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 0.353812 0.35324875 0.35231337 0.35101187 0.34927908 0.3471288 0.34465033 0.34171918 0.33843222 0.33468077 0.33043912 0.32582152 0.32063016 0.31500506 0.30879995 0.30202654 0.29470333 0.28661102 0.27785686 0.26831484 0.25787413 0.24648583 0.23391104 0.2201678 0.20492378 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 0.20511627 0.21125582 0.21739535 0.22353488 0.22967441 0.23581396 0.24195349 0.24809302 0.25423256 0.2603721 0.26651162 0.27265117 0.2787907 0.28493023 0.29106978 0.2972093 0.30334884 0.3094884 0.3156279 0.32176745 0.32790697 0.3340465 0.34018606 0.34632558 0.35246512 0.354 0.38301632 0.42664754 0.47540966 0.52856946 0.5854991 0.64578325 0.70929205 0.7760494 0.84625834 0.9202007 0.99824727 1.0808628 1.1685301 1.2617996 1.3612872 1.4675604 1.5811849 1.7026418 1.8322072 1.969825 2.1149392 2.2664223 2.4224427 2.580602 2.7382302 2.8925588 3.041276 3.1826234 3.31538 3.4389174 3.553031 3.6577961 3.7534337 3.840334 3.9188585 3.9894202 4.052403 4.1081567 4.1569943 4.1991954 4.2350006 4.2646194 4.2882166 4.3059216 4.317834 4.324021 4.325 4.3246794 4.3212976 4.3143597 4.304027 4.290463 4.273832 4.2542963 4.2320175 4.2071548 4.179865 4.150302 4.1186166 4.084955 4.04946 4.01227 3.9735181 3.933334 3.8918424 3.8491623 3.8054087 3.7606914 3.7151153 3.6687806 3.6217825 3.5742118 3.5261548 3.4776926 3.4289024 3.3798573 3.3306255 3.2812717 3.231857 3.182438 3.133068 3.0837967 3.034671 2.985734 2.9370255 2.8885834 2.8404417 2.7926323 2.745185 2.6981258 2.6514797 2.6052694 2.559515 2.5142348 2.4694457 2.4251626 2.3813982 2.3381648 2.2954726 2.2533302 2.2117453 2.1707246 2.1302733 2.0903957 2.051095 2.0123737 1.9742334 1.9366748 1.8996979 1.863302 1.8274859 1.7922478 1.7575852 1.7234952 1.6899745 1.6570194 1.6246256 1.5927887 1.5615038 1.5307658 1.5005695 1.470909 1.4417788 1.4131726 1.3850845 1.357508 1.3304367 1.3038642 1.2777836 1.2521884 1.2270718 1.2024268 1.1782465 1.1545242 1.1312528 1.1084255 1.0860351 1.0640751 1.0425383 1.0214179 1.0007069 0.9803987 0.9604864 0.9409634 0.92182285 0.90305823 0.884663 0.86663055 0.84895456 0.8316287 0.8146465 0.7980019 0.7816887 0.7657008 0.7500323 0.7346772 0.7196297 0.7048841 0.69043463 0.6762758 0.66240203 0.64880794 0.6354882 0.6224376 0.60965085 0.59712297 0.5848489 0.5728237 0.5610426 0.5495008 0.53819364 0.5271165 0.51626486 0.5056343 0.49522042 0.485019 0.47502577 0.46523663 0.4556475 0.44625443 0.4370535 0.42804086 0.41921273 0.41056547 0.40209538 0.39379892 0.38567263 0.37771305 0.36991683 0.3622807 0.35480136 0.3474757 0.3403006 0.33327296 0.32638982 0.31964827 0.3130454 0.30657846 0.30024457 0.2940411 0.2879654 0.2820148 0.2761868 0.27047887 0.26488858 0.2594135 0.25405133 0.2487997 0.24365637 0.23861912 0.23368579 0.22885422 0.22412236 0.21948814 0.21494956 0.21050468 0.20615155 0.20188828 0.19771305 0.19362402 0.18961945 0.18569759 0.18185672 0.1780952 0.1744114 0.1708037 0.16727054 0.16381039 0.16042173 0.1571031 0.15385307 0.15067022 0.14755315 0.1445005 0.14151096 0.13858323 0.13571602 0.13290809 0.13015822 0.12746519 0.12482786 0.122245066 0.119715676 0.117238596 0.11481275 0.11243706 0.11011051 0.107832074 0.10560077 0.103415616 0.10127565 0.09917996 0.09712762 0.095117725 0.093149416 0.09122182 0.08933409 0.087485425 0.08567501 0.08390204 0.08216575 0.080465384 0.078800194 0.077169456 0.07557246 0.07400851 0.07247691 0.070977 0.069508135 0.06806966 0.06666094 0.065281376 0.063930355 0.06260729 0.061311603 0.060042728 0.05880011 0.0575832 0.056391478 0.05522441 0.054081496 0.052962236 0.051866133 0.050792713

</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="231.587" Num="5" zHalfNm="212.117" Error="0.44">
-49.721 5.793 -3.79 1.897 -0.516
</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="6505.083" A="-2.40913678E11" B="7.4356072E7" C="-5737.226" Error="0.00142"/>
<QuasiParabolic ID="2" StartDistance="6505.083" EndDistance="6530.167" A="0.0" B="150.95428" C="0.016807342" Error="0.00191"/>
<QuasiParabolic ID="3" StartDistance="6530.167" EndDistance="6552.0" A="6.7913409E10" B="-2.0905838E7" C="1608.8636" Error="0.00191"/>
<QuasiParabolic ID="4" StartDistance="6552.0" EndDistance="6554.0" A="-6.7064752E11" B="2.04540112E8" C="-15595.497" Error="0.00296"/>
<QuasiParabolic ID="5" StartDistance="6554.0" EndDistance="6558.0" A="1.10913892E13" B="-3.3847296E9" C="258227.33" Error="0.0224"/>
<QuasiParabolic ID="6" StartDistance="6558.0" EndDistance="6563.0" A="9.0448488E12" B="-2.76059392E9" C="210641.52" Error="0.00877"/>
<QuasiParabolic ID="7" StartDistance="6563.0" EndDistance="6571.0" A="2.2708052E13" B="-6.9243003E9" C="527852.1" Error="0.0271"/>
<QuasiParabolic ID="8" StartDistance="6571.0" EndDistance="6582.0" A="5.8195351E13" B="-1.77254871E10" C="1349735.1" Error="0.0211"/>
<QuasiParabolic ID="9" StartDistance="6582.0" EndDistance="6601.587" A="-4.6925261E13" B="1.42163579E10" C="-1076719.1" Error="0.00853"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="75.25" Depth="0.154"/>
<TopsideChapman PeakHeight="231.587" PeakDensity="232079.72" PeakScaleHeight="14.942" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
