<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-03 -123 22:25:00.000"
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) 22:25:00</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">
FF202612305032225001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.575" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.845" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.747" 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="3.925" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="222.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="222.500" 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="3.400" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="251.215" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" 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="230.991" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="213.628" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.931" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="24.856" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.897" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="13.322" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="23.420" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.680" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="25">
<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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
222.500 222.500 225.000 225.000 227.500 227.500 230.000 230.000 232.500 235.000 235.000 235.000 237.500 240.000 242.213 244.761 247.724 251.215 255.386 260.461 266.765 274.810 285.431 300.101 321.681
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
60 60 72 69 75 75 72 69 0 72 69 72 72 72 69 69 81 84 84 81 69 66 69 69 63
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="346">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 136.25 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 162.5 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 188.75 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 230.991 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0
</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 0.35332385 0.3524629 0.35123456 0.3496469 0.3477836 0.34551057 0.34284618 0.3398121 0.3363646 0.33256927 0.32832938 0.32366115 0.31855893 0.31297255 0.3068771 0.30027556 0.29307804 0.2853064 0.27685073 0.26765716 0.25764734 0.24675402 0.23483722 0.22173925 0.20734549 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 0.20293333 0.2088 0.21466666 0.22053333 0.2264 0.23226666 0.23813333 0.244 0.24986666 0.25573334 0.2616 0.26746666 0.27333334 0.2792 0.28506666 0.29093334 0.2968 0.30266666 0.30853334 0.3144 0.32026666 0.32613334 0.332 0.33786666 0.34373334 0.3496 0.354 0.36290818 0.40227756 0.44740957 0.4976144 0.55202603 0.6099269 0.670915 0.734803 0.80163014 0.87158227 0.944916 1.0219492 1.1030468 1.1886123 1.2790269 1.3746865 1.475879 1.5827953 1.695483 1.8136123 1.936573 2.063275 2.1922202 2.3215814 2.44936 2.573576 2.6925502 2.804957 2.9098837 3.0068054 3.0954819 3.1759088 3.2482173 3.3126204 3.3693755 3.4187357 3.4609637 3.4962797 3.524887 3.5469522 3.5626023 3.571933 3.575 3.5749998 3.573029 3.5673125 3.558039 3.5453994 3.5295844 3.5107834 3.4891844 3.464972 3.4383276 3.4094276 3.378445 3.345546 3.310892 3.2746387 3.2369351 3.1979246 3.1577437 3.1165228 3.0743856 3.0314503 2.987828 2.943624 2.8989375 2.8538616 2.8084843 2.7628877 2.7171485 2.671338 2.6255233 2.5797663 2.534124 2.4886496 2.4433923 2.3983967 2.3537042 2.3093526 2.2653763 2.2218065 2.1786716 2.135997 2.0938056 2.0521176 2.0109513 1.9703223 1.9302446 1.8907303 1.8517894 1.8134305 1.7756608 1.7384856 1.7019093 1.6659352 1.6305649 1.5957996 1.5616391 1.5280825 1.495128 1.4627732 1.431015 1.3998497 1.3692727 1.3392794 1.3098644 1.2810222 1.2527466 1.2250313 1.1978695 1.1712544 1.1451788 1.1196353 1.0946164 1.0701145 1.0461217 1.0226303 0.99963224 0.9771195 0.9550841 0.9335178 0.9124127 0.89176065 0.87155354 0.8517834 0.8324421 0.8135218 0.79501456 0.77691245 0.7592077 0.74189276 0.7249598 0.7084013 0.6922099 0.67637813 0.6608988 0.6457646 0.6309686 0.61650366 0.60236305 0.5885399 0.57502764 0.5618196 0.5489095 0.5362908 0.52395743 0.5119032 0.50012213 0.48860824 0.4773558 0.46635914 0.45561263 0.4451108 0.4348483 0.42481986 0.41502032 0.4054446 0.3960877 0.38694486 0.37801126 0.36928222 0.36075318 0.35241967 0.34427732 0.33632183 0.328549 0.32095468 0.3135349 0.30628568 0.2992032 0.29228362 0.28552333 0.27891865 0.2724661 0.26616216 0.2600035 0.25398684 0.24810885 0.24236645 0.2367565 0.23127599 0.22592197 0.22069153 0.21558186 0.21059017 0.20571378 0.20095004 0.19629635 0.19175021 0.18730913 0.18297072 0.17873259 0.17459245 0.17054805 0.16659719 0.16273771 0.15896751 0.15528452 0.15168674 0.14817223 0.14473903 0.14138529 0.13810918 0.13490888 0.13178268 0.12872884 0.12574571 0.12283165 0.11998506 0.11720438 0.1144881 0.11183473 0.1092428 0.1067109 0.10423765 0.10182169 0.09946169 0.09715636 0.09490444 0.092704676 0.090555884 0.08845688 0.0864065 0.08440363 0.082447164 0.08053603 0.07866918 0.076845594 0.075064264 0.07332421 0.07162449 0.06996415 0.06834229 0.066758014 0.06521046 0.06369877 0.062222116 0.060779683 0.059370685 0.057994343 0.0566499 0.05533662 0.054053783 0.052800678 0.051576618 0.05038093

</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="3.575" PeakHeight="230.991" Num="5" zHalfNm="213.628" Error="1.532">
-44.016 3.268 -2.404 1.343 -0.432
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" 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="6506.25" A="-2.20048884E11" B="6.791632E7" C="-5240.3315" Error="0.00141"/>
<QuasiParabolic ID="2" StartDistance="6506.25" EndDistance="6532.5" A="0.0" B="-2402.0593" C="0.40920523" Error="0.0374"/>
<QuasiParabolic ID="3" StartDistance="6532.5" EndDistance="6558.0" A="1.06720731E11" B="-3.274858E7" C="2512.3555" Error="0.0374"/>
<QuasiParabolic ID="4" StartDistance="6558.0" EndDistance="6565.0" A="1.08575232E13" B="-3.31143168E9" C="252488.2" Error="0.0474"/>
<QuasiParabolic ID="5" StartDistance="6565.0" EndDistance="6573.0" A="1.51481515E13" B="-4.6185539E9" C="352040.53" Error="0.034"/>
<QuasiParabolic ID="6" StartDistance="6573.0" EndDistance="6585.0" A="3.8089641E13" B="-1.15990774E10" C="883040.3" Error="0.026"/>
<QuasiParabolic ID="7" StartDistance="6585.0" EndDistance="6600.991" A="-4.1411735E13" B="1.25471273E10" C="-950384.44" Error="0.0102"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="78.75" Depth="0.154"/>
<TopsideChapman PeakHeight="230.991" PeakDensity="158568.55" PeakScaleHeight="13.322" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
