<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-03 -123 07:45:00.000"
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) 07:45:00</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">
FF202612305030745001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.450" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.118" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.208" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.025" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.025" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.775" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="197.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="197.500" 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="3.375" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="233.696" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.025" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.025" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="205.375" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="190.912" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.376" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="20.670" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.694" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="11.042" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="19.500" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.610" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="58">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.025 2.05 2.075 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 2.5 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
197.500 197.500 197.500 197.500 197.500 197.500 197.500 200.000 200.000 200.000 200.000 200.000 200.000 200.000 200.000 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 205.000 205.000 205.000 205.000 205.000 205.000 207.500 207.500 207.500 207.500 207.500 210.000 210.000 210.000 210.000 210.000 210.000 212.500 212.500 212.500 215.000 215.000 217.500 217.500 220.000 220.000 220.000 225.000 225.000 227.500 230.102 233.696 238.985 247.536 263.713
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
78 81 69 69 93 93 81 78 69 72 60 60 60 57 81 78 72 72 75 75 78 75 75 69 72 75 75 75 75 69 60 63 54 54 69 66 0 69 72 72 96 99 96 99 102 96 99 96 99 96 93 99 99 96 99 96 93 87
</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 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="284">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 130.41667 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 150.83333 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 171.25 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 205.375 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0
</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 0.35375172 0.35311857 0.35194156 0.35034353 0.348288 0.34577343 0.34275505 0.3392274 0.3352465 0.33069065 0.32556674 0.31982708 0.31355324 0.30657426 0.2989218 0.29046544 0.28123897 0.27106133 0.2598764 0.24752563 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.24192245 0.24745715 0.25299183 0.25852653 0.2640612 0.26959592 0.2751306 0.2806653 0.2862 0.2917347 0.29726937 0.30280408 0.30833876 0.31387347 0.31940815 0.32494286 0.33047757 0.33601224 0.34154695 0.34708163 0.35261634 0.354 0.39395425 0.45164916 0.5138822 0.5804462 0.65147793 0.72730607 0.80842274 0.8953655 0.9887826 1.0892991 1.1975075 1.3138853 1.4386083 1.5715327 1.7118388 1.8580558 2.0080295 2.158946 2.3078578 2.4519153 2.5887985 2.7167382 2.8346221 2.9418926 3.0383103 3.1239197 3.1989417 3.2636218 3.3182702 3.3631504 3.3985178 3.4245794 3.4414976 3.449368 3.45 3.4489334 3.4429293 3.431916 3.4162166 3.3961537 3.3720477 3.344213 3.3129575 3.2785804 3.2413712 3.2016075 3.1595557 3.1154702 3.0695915 3.0221484 2.9733555 2.9234157 2.8725178 2.820839 2.7685432 2.715784 2.6627023 2.6094282 2.5560818 2.5027728 2.4496014 2.3966591 2.3440287 2.291785 2.2399955 2.1887205 2.138014 2.0879235 2.0384912 1.9897538 1.9417434 1.8944873 1.8480085 1.8023268 1.757458 1.7134147 1.6702065 1.6278409 1.5863221 1.5456526 1.5058328 1.4668611 1.4287345 1.3914485 1.3549969 1.3193729 1.2845682 1.2505739 1.2173799 1.1849757 1.1533501 1.1224914 1.0923873 1.0630254 1.0343926 1.0064758 0.97926176 0.9527369 0.9268876 0.9017002 0.877161 0.85325634 0.8299725 0.80729586 0.78521293 0.7637103 0.74277467 0.72239286 0.70255184 0.6832388 0.6644411 0.6461463 0.62834203 0.6110162 0.5941571 0.5777529 0.5617922 0.5462638 0.5311568 0.5164602 0.5021636 0.48825657 0.47472906 0.46157116 0.44877318 0.43632564 0.42421937 0.4124453 0.4009946 0.3898587 0.37902918 0.36849785 0.35825673 0.34829798 0.33861405 0.32919747 0.32004103 0.31113768 0.30248058 0.294063 0.28587845 0.27792057 0.2701832 0.26266026 0.2553459 0.24823447 0.24132033 0.23459809 0.22806248 0.22170837 0.21553078 0.20952483 0.20368579 0.19800907 0.1924902 0.1871248 0.18190864 0.17683758 0.17190762 0.16711487 0.1624555 0.15792584 0.15352228 0.14924134 0.14507961 0.1410338 0.13710067 0.1332771 0.12956005 0.12594657 0.12243377 0.11901886 0.11569911 0.11247189 0.10933462 0.10628479 0.10331998 0.10043782 0.09763601 0.09491231 0.092264555 0.089690626 0.08718847 0.084756084 0.08239153 0.080092914 0.077858396 0.0756862 0.07357459 0.07152187 0.069526404 0.0675866 0.065700896 0.06386779 0.062085822 0.060353555 0.058669616 0.057032645 0.055441342 0.05389443 0.052390672 0.05092887

</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="205.375" Num="5" zHalfNm="190.912" Error="0.253">
-35.929 2.946 -1.855 0.897 -0.184
</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="6500.417" A="-2.85866426E11" B="8.8230384E7" C="-6807.7744" Error="0.00128"/>
<QuasiParabolic ID="2" StartDistance="6500.417" EndDistance="6520.833" A="0.0" B="2391.7698" C="-0.30978557" Error="0.0186"/>
<QuasiParabolic ID="3" StartDistance="6520.833" EndDistance="6523.0" A="-4.18488726E12" B="1.28309658E9" C="-98350.06" Error="0.0798"/>
<QuasiParabolic ID="4" StartDistance="6523.0" EndDistance="6540.0" A="2.72439542E11" B="-8.3552752E7" C="6406.1343" Error="0.0768"/>
<QuasiParabolic ID="5" StartDistance="6540.0" EndDistance="6541.0" A="4.35143207E12" B="-1.33095117E9" C="101772.984" Error="0.0"/>
<QuasiParabolic ID="6" StartDistance="6541.0" EndDistance="6545.0" A="1.8026112E13" B="-5.512171E9" C="421389.22" Error="0.0764"/>
<QuasiParabolic ID="7" StartDistance="6545.0" EndDistance="6552.0" A="1.93346279E13" B="-5.9120236E9" C="451935.62" Error="0.0614"/>
<QuasiParabolic ID="8" StartDistance="6552.0" EndDistance="6562.0" A="5.1628137E13" B="-1.57696256E10" C="1204194.8" Error="0.0383"/>
<QuasiParabolic ID="9" StartDistance="6562.0" EndDistance="6575.375" A="-5.5065012E13" B="1.67488584E10" C="-1273592.9" Error="0.0135"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="61.25" Depth="0.113"/>
<TopsideChapman PeakHeight="205.375" PeakDensity="147673.7" PeakScaleHeight="11.042" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
