<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-01 -121 08:05:00.000"
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" >
2026.05.01 (121) 08:05:00</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">
FF202612105010805001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.450" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.986" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.753" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.725" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="220.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="220.000" 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="3.325" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="240.365" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="218.196" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="205.816" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.460" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="17.743" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.648" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.583" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="17.410" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.250" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="19">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
220.000 222.500 222.500 222.500 225.000 225.000 227.500 227.500 227.500 230.000 232.500 234.655 237.231 240.365 244.258 249.225 255.783 264.841 278.164
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
87 84 87 84 84 96 93 93 93 96 96 96 93 93 93 93 90 99 99
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="289">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 135.66667 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 161.33333 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 218.196 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0
</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 0.3523882 0.35108605 0.34949994 0.34749252 0.3450799 0.34228173 0.3391207 0.33555436 0.33154994 0.32708573 0.3222145 0.31684378 0.31099588 0.3045735 0.29760364 0.290026 0.28171796 0.27274016 0.2629728 0.2523031 0.24063194 0.22781542 0.21374473 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 0.204 0.21 0.216 0.222 0.228 0.234 0.24 0.246 0.252 0.258 0.264 0.27 0.276 0.282 0.288 0.294 0.3 0.306 0.312 0.318 0.324 0.33 0.336 0.342 0.348 0.354 0.40858722 0.46935886 0.536034 0.60855407 0.6870086 0.7716868 0.8629038 0.96108043 1.066583 1.1797241 1.3006928 1.429482 1.5657227 1.7087053 1.8571787 2.009471 2.163468 2.316746 2.466807 2.6112194 2.7478335 2.8748398 2.9908793 3.0948708 3.1861348 3.26418 3.3287249 3.3796139 3.4167616 3.4401405 3.4497352 3.45 3.4480865 3.4405618 3.4276743 3.4097912 3.3872783 3.3604975 3.3298028 3.2955396 3.2580426 3.2176335 3.1746204 3.1292968 3.0819418 3.032819 2.982176 2.9302456 2.8772452 2.8233771 2.7688293 2.7137759 2.6583767 2.6027792 2.5471182 2.4915168 2.4360874 2.3809307 2.326139 2.271794 2.2179697 2.1647313 2.112137 2.0602376 2.0090778 1.958696 1.9091252 1.8603934 1.8125238 1.7655356 1.7194438 1.6742599 1.6299925 1.5866468 1.5442256 1.5027293 1.4621562 1.4225025 1.3837628 1.3459302 1.3089962 1.2729514 1.2377851 1.2034858 1.1700412 1.1374382 1.1056633 1.0747024 1.044541 1.0151641 0.9865569 0.95870394 0.9315897 0.9051989 0.8795157 0.8545248 0.8302105 0.8065574 0.78355014 0.7611735 0.73941237 0.71825176 0.6976771 0.6776737 0.65822726 0.6393238 0.62094927 0.6030902 0.5857332 0.568865 0.5524729 0.5365442 0.5210666 0.50602806 0.49141666 0.47722092 0.4634295 0.45003143 0.4370159 0.42437238 0.41209063 0.40016067 0.3885727 0.3773172 0.36638492 0.35576677 0.345454 0.335438 0.32571045 0.31626314 0.30708823 0.29817793 0.2895248 0.2811215 0.27296093 0.26503617 0.25734052 0.24986744 0.24261056 0.23556368 0.2287208 0.22207607 0.21562381 0.20935848 0.20327474 0.19736733 0.1916312 0.18606141 0.18065317 0.17540182 0.17030284 0.16535184 0.16054451 0.15587676 0.15134451 0.14694385 0.14267099 0.13852222 0.13449396 0.1305827 0.1267851 0.12309781 0.11951766 0.116041556 0.112666465 0.10938946 0.106207706 0.103118435 0.100118965 0.09720669 0.094379075 0.09163368 0.08896809 0.08638001 0.083867185 0.081427425 0.07905862 0.07675869 0.07452565 0.07235755 0.0702525 0.06820868 0.0662243 0.06429764 0.06242701 0.060610794 0.058847405 0.05713531 0.05547302 0.053859077 0.052292086 0.050770678

</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="3.45" PeakHeight="218.196" Num="5" zHalfNm="205.816" Error="0.776">
-31.586 0.85 -0.79 0.431 -0.101
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" 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="6505.667" A="-2.30120505E11" B="7.1024848E7" C="-5480.187" Error="0.00139"/>
<QuasiParabolic ID="2" StartDistance="6505.667" EndDistance="6531.333" A="0.0" B="-338.87598" C="0.09210087" Error="0.00541"/>
<QuasiParabolic ID="3" StartDistance="6531.333" EndDistance="6556.0" A="7.2132706E10" B="-2.2187024E7" C="1706.1117" Error="0.00541"/>
<QuasiParabolic ID="4" StartDistance="6556.0" EndDistance="6559.0" A="1.74708385E13" B="-5.3299067E9" C="406504.75" Error="0.00243"/>
<QuasiParabolic ID="5" StartDistance="6559.0" EndDistance="6564.0" A="1.63271766E13" B="-4.9811763E9" C="379920.62" Error="0.0185"/>
<QuasiParabolic ID="6" StartDistance="6564.0" EndDistance="6572.0" A="4.516021E13" B="-1.37663785E10" C="1049116.5" Error="0.0248"/>
<QuasiParabolic ID="7" StartDistance="6572.0" EndDistance="6579.0" A="3.6495147E13" B="-1.11294136E10" C="848495.25" Error="0.0242"/>
<QuasiParabolic ID="8" StartDistance="6579.0" EndDistance="6588.196" A="-8.2433131E13" B="2.50244936E10" C="-1899179.6" Error="0.00882"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="77.0" Depth="0.154"/>
<TopsideChapman PeakHeight="218.196" PeakDensity="147673.7" PeakScaleHeight="10.583" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
