<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-02 -122 01:55:00.000"
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" >
2026.05.02 (122) 01:55:00</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">
FF202612205020155001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.475" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.880" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="9.603" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.100" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.100" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="2.850" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="225.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="225.000" 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="2.375" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="250.794" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.100" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.100" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="223.952" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="209.655" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.218" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="20.368" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.364" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.885" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="20.120" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.260" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="16">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.1 2.125 2.15 2.175 2.2 2.225 2.25 2.275 2.3 2.325 2.35 2.375 2.4 2.425 2.45 2.475
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
225.000 226.250 227.500 227.500 230.000 231.884 234.013 236.437 239.223 242.458 246.261 250.794 256.290 263.094 271.736 283.074
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
72 0 96 75 0 0 0 0 0 0 0 0 0 0 0 0
</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 10.9375 -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 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 136.83333 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 163.66667 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 190.5 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 223.952 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0
</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 0.35253775 0.3513833 0.34986797 0.34800196 0.34587008 0.3433416 0.34043694 0.33717975 0.3335292 0.3294542 0.3250611 0.3201454 0.31483623 0.30908883 0.30277678 0.29597685 0.28861925 0.2806141 0.2719544 0.2625736 0.25233817 0.24117032 0.22898808 0.2156547 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 0.2 0.20191304 0.20765217 0.2133913 0.21913044 0.22486956 0.2306087 0.23634782 0.24208696 0.24782608 0.25356522 0.25930434 0.26504347 0.27078262 0.27652174 0.28226086 0.288 0.29373914 0.29947826 0.3052174 0.3109565 0.31669566 0.32243478 0.3281739 0.33391306 0.33965218 0.3453913 0.35113043 0.354 0.3747048 0.41956392 0.46849093 0.52098364 0.57670957 0.6355243 0.69744265 0.7625252 0.83092123 0.9027694 0.978171 1.0572082 1.1398492 1.2259446 1.3151411 1.406923 1.5005363 1.594985 1.6891419 1.7817503 1.8715588 1.9573753 2.0382226 2.1132536 2.181854 2.243591 2.2981946 2.345504 2.3854578 2.4180305 2.4432466 2.4611273 2.4717011 2.475 2.4749954 2.4728048 2.4667833 2.4571717 2.444212 2.4281452 2.4092093 2.3876374 2.363657 2.3374882 2.309343 2.279425 2.2479281 2.215037 2.1809266 2.1457613 2.1096966 2.0728774 2.0354393 1.9975085 1.9592023 1.9206287 1.8818876 1.8430709 1.8042626 1.7655395 1.7269715 1.6886219 1.6505479 1.612801 1.5754272 1.5384675 1.5019584 1.4659318 1.4304156 1.3954341 1.3610083 1.3271554 1.2938902 1.261225 1.2291689 1.1977296 1.1669121 1.13672 1.1071547 1.0782169 1.049905 1.0222167 0.9951484 0.96869576 0.9428532 0.91761464 0.8929731 0.86892116 0.8454507 0.82255334 0.80022013 0.77844197 0.7572093 0.73651236 0.71634144 0.6966863 0.67753696 0.65888315 0.64071465 0.6230211 0.60579234 0.5890181 0.5726883 0.55679274 0.5413214 0.5262644 0.51161206 0.49735448 0.48348224 0.46998587 0.45685613 0.44408387 0.43166018 0.41957623 0.40782335 0.3963931 0.38527715 0.37446737 0.3639558 0.3537346 0.34379616 0.33413303 0.32473788 0.31560358 0.30672315 0.29808983 0.28969693 0.281538 0.2736067 0.26589686 0.25840244 0.2511176 0.24403657 0.23715383 0.23046392 0.22396155 0.21764155 0.2114989 0.2055287 0.19972621 0.19408675 0.18860583 0.18327904 0.17810209 0.17307083 0.16818121 0.16342926 0.15881117 0.15432318 0.14996167 0.14572309 0.14160402 0.1376011 0.1337111 0.12993082 0.12625723 0.122687295 0.119218126 0.115846895 0.11257084 0.10938729 0.10629365 0.103287384 0.10036604 0.09752723 0.09476861 0.092087954 0.08948304 0.08695174 0.08449199 0.08210176 0.079779096 0.07752209 0.075328894 0.07319771 0.071126774 0.0691144 0.06715893 0.06525876 0.063412316 0.061618097 0.05987462 0.058180455 0.05653421 0.054934528 0.053380094 0.051869627 0.050401893

</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="2.475" PeakHeight="223.952" Num="5" zHalfNm="209.655" Error="1.112">
-33.937 0.971 -0.835 0.488 -0.139
</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="6506.833" A="-2.10612257E11" B="6.5003784E7" C="-5015.5986" Error="0.00148"/>
<QuasiParabolic ID="2" StartDistance="6506.833" EndDistance="6533.667" A="0.0" B="-3415.7822" C="0.56497234" Error="0.0544"/>
<QuasiParabolic ID="3" StartDistance="6533.667" EndDistance="6536.0" A="6.1020187E12" B="-1.86746547E9" C="142880.1" Error="0.0"/>
<QuasiParabolic ID="4" StartDistance="6536.0" EndDistance="6552.0" A="-3.02084489E11" B="9.2174464E7" C="-7031.1597" Error="0.159"/>
<QuasiParabolic ID="5" StartDistance="6552.0" EndDistance="6561.0" A="1.1239504E12" B="-3.43123136E8" C="26187.521" Error="0.136"/>
<QuasiParabolic ID="6" StartDistance="6561.0" EndDistance="6569.0" A="1.27471872E13" B="-3.8862528E9" C="296201.97" Error="0.0845"/>
<QuasiParabolic ID="7" StartDistance="6569.0" EndDistance="6583.0" A="1.65345483E13" B="-5.0393539E9" C="383970.38" Error="0.027"/>
<QuasiParabolic ID="8" StartDistance="6583.0" EndDistance="6593.952" A="-3.16003204E13" B="9.5846369E9" C="-726768.75" Error="0.0097"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="80.5" Depth="0.154"/>
<TopsideChapman PeakHeight="223.952" PeakDensity="76000.31" PeakScaleHeight="10.885" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
