<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-14 -104 22:10:00.000"
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" >
2026.04.14 (104) 22:10:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202610404142210001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.475" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.301" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.945" 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="3.775" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="187.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="187.500" 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="3.400" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="214.559" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.411" 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="191.008" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="179.571" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.389" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="16.364" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.647" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.638" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="15.500" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.690" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="39">
<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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
187.500 187.500 187.500 187.500 188.333 189.167 190.000 190.000 190.000 190.000 190.000 191.250 192.500 192.500 192.500 193.000 193.500 194.000 194.500 195.000 195.000 195.000 197.500 197.500 197.500 200.000 200.596 201.277 202.059 202.970 204.043 205.325 206.884 208.822 211.295 214.559 219.069 225.703 236.425
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
54 0 0 54 0 0 51 51 54 57 54 0 33 33 33 0 0 0 0 57 69 69 69 72 72 69 72 69 69 69 93 93 81 81 69 66 66 63 60
</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 3.125 -3.125 3.125 3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="265">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
92.523 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 128.08333 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 146.16667 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 164.25 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 191.008 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.21611734 0.24616334 0.27165246 0.29348505 0.31239188 0.32888874 0.34333992 0.3560076 0.36708394 0.37671873 0.3850212 0.39207563 0.39795023 0.40269494 0.40634817 0.4089387 0.41048568 0.411 0.41075587 0.40992782 0.40862358 0.4066692 0.40428683 0.40123495 0.3976661 0.39347667 0.38868433 0.38333595 0.37722552 0.37046716 0.36300474 0.35470125 0.34561104 0.33557248 0.32458207 0.31245902 0.311 0.311 0.311 0.311 0.311 0.311 0.311 0.311 0.311 0.311 0.311 0.311 0.311 0.311 0.311 0.311 0.311 0.311 0.311 0.311 0.3156083 0.32113826 0.3266682 0.33219814 0.3377281 0.34325805 0.34878802 0.35431796 0.35984793 0.36537787 0.37090784 0.37643778 0.38196775 0.3874977 0.39302766 0.3985576 0.40408754 0.4096175 0.411 0.4561166 0.5323994 0.6247373 0.7276601 0.83726275 0.9524746 1.0736817 1.2019626 1.3385822 1.4847893 1.6414589 1.808737 1.9854927 2.1687264 2.3534577 2.5335245 2.7029545 2.8572788 2.993951 3.1121874 3.2122133 3.2947912 3.3608518 3.4112792 3.4467838 3.4679184 3.474993 3.475 3.4721067 3.4635706 3.4497538 3.4310198 3.4077313 3.3802462 3.3489141 3.3140764 3.2760627 3.2351904 3.1917632 3.14607 3.0983858 3.04897 2.9980662 2.945904 2.892697 2.8386445 2.7839315 2.7287292 2.6731954 2.617475 2.5617008 2.505994 2.4504654 2.3952148 2.340332 2.2858987 2.2319872 2.1786623 2.125981 2.0739942 2.0227451 1.9722724 1.9226086 1.8737812 1.8258135 1.7787243 1.7325284 1.6872377 1.6428604 1.5994017 1.5568647 1.5152497 1.4745551 1.4347771 1.3959107 1.3579489 1.3208834 1.2847049 1.249403 1.2149663 1.1813825 1.148639 1.1167221 1.085618 1.0553124 1.0257906 0.99703753 0.9690382 0.9417772 0.9152393 0.8894089 0.8642707 0.8398092 0.8160091 0.79285514 0.77033216 0.74842525 0.7271195 0.70640033 0.6862533 0.66666406 0.6476187 0.62910336 0.6111045 0.59360874 0.5766031 0.5600748 0.5440112 0.5284 0.5132292 0.49848697 0.48416185 0.47024256 0.4567181 0.44357768 0.43081087 0.41840738 0.40635726 0.39465073 0.3832783 0.37223068 0.36149886 0.35107404 0.3409476 0.33111125 0.32155678 0.31227633 0.30326217 0.2945068 0.28600284 0.27774328 0.26972115 0.2619297 0.2543624 0.24701291 0.23987499 0.23294263 0.22620997 0.2196713 0.21332109 0.20715396 0.20116466 0.19534813 0.18969938 0.18421362 0.17888619 0.17371254 0.16868824 0.16380902 0.15907069 0.15446922 0.15000068 0.14566122 0.14144716 0.13735485 0.13338082 0.12952164 0.12577401 0.12213472 0.11860064 0.11516873 0.11183605 0.10859974 0.105457015 0.102405176 0.0994416 0.09656374 0.093769126 0.09105534 0.088420056 0.08586101 0.08337599 0.08096287 0.07861956 0.07634405 0.07413437 0.071988635 0.06990498 0.06788162 0.065916814 0.06400886 0.06215612 0.06035699 0.05860993 0.056913428 0.055266023 0.053666294 0.052112862 0.050604388

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.411" PeakHeight="110.0" Num="3" Error="0.0">
-20.499 3.26 -0.238
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.411" EndFrequency="3.475" PeakHeight="191.008" Num="5" zHalfNm="179.571" Error="0.441">
-28.0 2.155 -1.373 0.788 -0.328
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.0127" EndDistance="6480.001" A="-7.4114636E11" B="2.2874888E8" C="-17650.207" Error="0.00416"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6498.083" A="-3.91180616E11" B="1.2073476E8" C="-9315.784" Error="5.83E-4"/>
<QuasiParabolic ID="2" StartDistance="6498.083" EndDistance="6516.167" A="0.0" B="-6730.4297" C="1.1325336" Error="0.0303"/>
<QuasiParabolic ID="3" StartDistance="6516.167" EndDistance="6532.0" A="2.03230216E11" B="-6.2460764E7" C="4799.263" Error="0.0303"/>
<QuasiParabolic ID="4" StartDistance="6532.0" EndDistance="6533.0" A="-4.7541849E12" B="1.45542502E9" C="-111389.18" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6533.0" EndDistance="6535.0" A="2.24334572E13" B="-6.8677473E9" C="525620.8" Error="0.039"/>
<QuasiParabolic ID="6" StartDistance="6535.0" EndDistance="6541.0" A="3.21858872E13" B="-9.8524232E9" C="753981.6" Error="0.0237"/>
<QuasiParabolic ID="7" StartDistance="6541.0" EndDistance="6551.0" A="6.4642794E13" B="-1.97765652E10" C="1512592.1" Error="0.0201"/>
<QuasiParabolic ID="8" StartDistance="6551.0" EndDistance="6561.008" A="-8.873014E13" B="2.70477169E10" C="-2061235.0" Error="0.00562"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="54.25" Depth="0.1"/>
<TopsideChapman PeakHeight="191.008" PeakDensity="149821.66" PeakScaleHeight="10.638" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
