<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-25 -084 08:30:00.000"
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: 90% PACIFIC flags: One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.25 (084) 08:30:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.18" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202608403250830001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.950" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.020" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.858" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.575" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.575" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.225" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="232.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="232.500" 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="2.900" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="245.962" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.378" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.575" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.575" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="223.704" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="212.451" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.998" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="16.044" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.471" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.614" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="16.470" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.940" 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" >
2.575 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
232.500 232.500 232.500 232.500 235.000 237.500 237.500 237.500 238.750 240.000 240.847 241.979 243.568 245.962 249.978 258.111
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
39 45 0 54 60 54 57 57 42 42 27 0 27 0 0 0
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="291">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.03 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 138.58333 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 167.16667 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 195.75 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 223.704 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.22641101 0.24975446 0.26982415 0.2872251 0.30241704 0.3157262 0.32739303 0.33759224 0.34646103 0.3541013 0.3605938 0.36599818 0.3703619 0.3737222 0.37610444 0.37752703 0.378 0.37786964 0.3773051 0.3765692 0.3754053 0.3739065 0.3720808 0.3699382 0.36740738 0.36458728 0.3613325 0.3577482 0.3537814 0.34938872 0.3446109 0.3393504 0.33373693 0.32756597 0.32093227 0.31369877 0.30595416 0.29754716 0.28844973 0.278646 0.2680088 0.25641942 0.24377464 0.22996682 0.21477856 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 0.2 0.2 0.20518951 0.21141692 0.21764432 0.22387172 0.23009913 0.23632653 0.24255393 0.24878134 0.25500876 0.26123616 0.26746356 0.27369097 0.27991837 0.28614578 0.29237318 0.29860058 0.304828 0.3110554 0.3172828 0.3235102 0.3297376 0.335965 0.3421924 0.34841982 0.35464722 0.36087462 0.36710203 0.37332946 0.378 0.39285445 0.4540752 0.51982856 0.5916183 0.67041874 0.7567866 0.8508087 0.9521231 1.0600102 1.1734049 1.2911922 1.4122313 1.5354433 1.6598344 1.7845081 1.9086049 2.0312788 2.1516423 2.26876 2.3815029 2.4886513 2.5887828 2.6802998 2.7614205 2.8302503 2.8849504 2.923812 2.9454956 2.95 2.9497774 2.945815 2.9371352 2.9240477 2.906864 2.8858924 2.861437 2.8337948 2.8032544 2.7700942 2.7345815 2.6969721 2.6575093 2.6164234 2.5739315 2.5302382 2.4855347 2.4399996 2.393799 2.347087 2.3000054 2.2526858 2.2052479 2.157802 2.1104486 2.0632784 2.0163739 1.9698093 1.9236512 1.8779594 1.8327864 1.7881792 1.7441784 1.70082 1.6581345 1.6161482 1.5748835 1.5343583 1.4945875 1.455583 1.4173532 1.3799045 1.3432404 1.3073627 1.2722708 1.2379627 1.2044348 1.1716819 1.1396976 1.1084745 1.0780041 1.0482774 1.0192841 0.99101377 0.9634551 0.93659633 0.9104255 0.88493013 0.86009765 0.8359152 0.81236976 0.78944826 0.7671374 0.74542415 0.72429526 0.70373756 0.683738 0.6642836 0.64536136 0.6269587 0.60906297 0.5916617 0.57474256 0.5582936 0.5423028 0.52675855 0.51164925 0.49696377 0.48269093 0.46881992 0.45534012 0.4422411 0.4295127 0.41714498 0.40512815 0.39345273 0.38210943 0.3710892 0.3603831 0.3499825 0.33987904 0.33006442 0.32053062 0.31126988 0.30227453 0.29353717 0.28505057 0.27680767 0.2688016 0.2610257 0.2534735 0.24613862 0.23901494 0.23209645 0.22537734 0.21885191 0.21251468 0.20636027 0.20038345 0.19457918 0.1889425 0.18346864 0.17815292 0.1729908 0.1679779 0.16310991 0.1583827 0.1537922 0.14933449 0.14500576 0.14080228 0.13672045 0.13275678 0.12890784 0.12517035 0.12154108 0.11801691 0.11459482 0.111271836 0.10804512 0.104911886 0.10186943 0.09891513 0.09604643 0.09326088 0.09055605 0.08792961 0.0853793 0.082902916 0.08049832 0.07816343 0.07589623 0.073694766 0.07155713 0.06948147 0.06746599 0.065508954 0.063608676 0.061763495 0.059971824 0.05823211 0.05654285 0.054902583 0.053309888 0.05176338 0.050261732

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.378" PeakHeight="110.0" Num="3" Error="0.0">
-19.584 2.796 -0.182
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.378" EndFrequency="2.95" PeakHeight="223.704" Num="5" zHalfNm="212.451" Error="0.222">
-27.508 -0.784 0.519 -0.291 0.11
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.021" EndDistance="6480.001" A="-6.2724571E11" B="1.93594352E8" C="-14937.693" Error="0.00256"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6508.583" A="-2.24036323E11" B="6.9147016E7" C="-5335.275" Error="0.00203"/>
<QuasiParabolic ID="2" StartDistance="6508.583" EndDistance="6537.167" A="0.0" B="-1823.3395" C="0.32012883" Error="0.0302"/>
<QuasiParabolic ID="3" StartDistance="6537.167" EndDistance="6564.0" A="9.4688469E10" B="-2.905829E7" C="2229.3948" Error="0.0302"/>
<QuasiParabolic ID="4" StartDistance="6564.0" EndDistance="6566.0" A="8.0387338E12" B="-2.44954726E9" C="186605.47" Error="0.0264"/>
<QuasiParabolic ID="5" StartDistance="6566.0" EndDistance="6571.0" A="2.23672334E13" B="-6.8140006E9" C="518958.0" Error="0.0631"/>
<QuasiParabolic ID="6" StartDistance="6571.0" EndDistance="6587.0" A="2.78165717E13" B="-8.4726031E9" C="645164.25" Error="0.047"/>
<QuasiParabolic ID="7" StartDistance="6587.0" EndDistance="6593.704" A="-8.6499299E13" B="2.62369362E10" C="-1989535.9" Error="0.00897"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="85.75" Depth="0.178"/>
<TopsideChapman PeakHeight="223.704" PeakDensity="107971.46" PeakScaleHeight="10.614" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
