<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-14 -104 22:05:00.000"
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="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: 95% PACIFIC flags: Multiple candidates for F2o cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.04.14 (104) 22:05:00</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">
FF202610404142205001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.000" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.259" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="17.037" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.150" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.150" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.375" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="190.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="190.000" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.950" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="222.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.441" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.150" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.150" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="197.334" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="185.053" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.470" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="17.605" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.877" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.651" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="17.870" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.000" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="75">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 3.475 3.5 3.525 3.55 3.575 3.6 3.625 3.65 3.675 3.7 3.725 3.75 3.775 3.8 3.825 3.85 3.875 3.9 3.925 3.95 3.975 4.0
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
190.000 190.000 190.313 190.625 190.938 191.250 191.563 191.875 192.188 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 195.000 195.000 195.000 195.000 195.000 195.000 195.000 195.000 197.500 197.500 197.500 197.500 197.500 197.500 197.500 198.750 200.000 200.000 200.000 200.000 200.000 200.000 200.625 201.250 201.875 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 205.000 205.000 205.000 205.000 207.500 207.500 207.500 207.500 210.000 210.000 212.500 212.500 212.500 212.500 215.000 215.000 217.500 220.000 220.000 220.000 222.500 227.892 241.963
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
57 78 0 0 0 0 0 0 0 54 57 75 75 66 66 66 66 66 69 69 72 72 72 69 69 54 54 42 42 39 33 0 60 0 57 72 72 72 72 75 0 0 0 63 66 72 75 90 87 78 75 84 84 87 87 75 75 75 78 78 75 75 69 60 60 69 66 66 63 72 75 87 87 75 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 9.375 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 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="275">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
92.161 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 128.66667 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 147.33333 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 197.334 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.2317651 0.2642282 0.2916114 0.31502175 0.33527488 0.35294625 0.36842984 0.38200572 0.39388093 0.40421265 0.41311762 0.42068723 0.42699158 0.432084 0.43600598 0.43878707 0.44044772 0.441 0.4406885 0.4398694 0.43838304 0.4363623 0.43372506 0.4305132 0.42662343 0.42210793 0.41703445 0.41114748 0.40462753 0.39735684 0.38933682 0.38044652 0.37061885 0.35988238 0.34799376 0.33501485 0.325 0.325 0.325 0.325 0.325 0.325 0.325 0.325 0.325 0.325 0.325 0.325 0.325 0.325 0.325 0.325 0.325 0.325 0.325 0.325 0.325 0.32914287 0.33535713 0.34157142 0.3477857 0.354 0.3602143 0.36642858 0.37264284 0.37885714 0.38507143 0.39128572 0.3975 0.4037143 0.40992856 0.41614285 0.42235714 0.42857143 0.43478572 0.441 0.5062487 0.5790974 0.6597837 0.74844193 0.8451165 0.949724 1.0620568 1.1818635 1.3087391 1.442222 1.5817883 1.7267644 1.876438 2.0299957 2.1865175 2.3449647 2.504266 2.6631148 2.8202298 2.9741457 3.1233215 3.266135 3.4009352 3.525966 3.6395702 3.7400832 3.8259711 3.8958418 3.9485185 3.9830887 3.998937 4.0 3.9984927 3.9907575 3.9768217 3.957102 3.9320157 3.9019747 3.867384 3.8286383 3.7861202 3.7401986 3.6912274 3.6395435 3.5854683 3.5293045 3.4713385 3.4118388 3.3510566 3.289226 3.2265654 3.1632757 3.0995438 3.0355408 2.9714239 2.9073367 2.8434103 2.7797635 2.7165036 2.6537273 2.5915213 2.5299633 2.4691215 2.4090564 2.3498216 2.2914627 2.2340195 2.1775258 2.12201 2.0674953 2.0140007 1.9615409 1.9101267 1.8597654 1.8104616 1.7622166 1.7150294 1.6688967 1.6238132 1.5797715 1.536763 1.4947772 1.4538027 1.413827 1.3748362 1.336816 1.2997512 1.2636261 1.2284243 1.1941292 1.1607238 1.1281908 1.0965126 1.0656716 1.0356503 1.0064309 0.9779957 0.9503271 0.92340755 0.8972196 0.87174606 0.8469698 0.82287395 0.7994418 0.776657 0.7545033 0.73296475 0.71202576 0.6916709 0.671885 0.65265334 0.6339614 0.61579484 0.5981398 0.5809827 0.5643101 0.54810894 0.5323666 0.51707053 0.5022086 0.48776892 0.47373995 0.46011037 0.44686913 0.43400553 0.42150906 0.4093695 0.39757693 0.38612163 0.37499416 0.36418533 0.3536862 0.34348807 0.3335824 0.32396096 0.31461573 0.30553886 0.2967228 0.2881601 0.27984357 0.27176622 0.26392123 0.256302 0.24890207 0.24171521 0.23473532 0.22795649 0.22137296 0.21497916 0.20876963 0.20273912 0.19688249 0.19119473 0.18567103 0.18030666 0.17509706 0.17003776 0.16512448 0.16035298 0.15571919 0.15121917 0.14684907 0.14260513 0.13848373 0.13448134 0.13059452 0.12681997 0.12315443 0.11959477 0.11613792 0.11278094 0.109520935 0.106355116 0.10328075 0.10029522 0.09739596 0.094580464 0.09184633 0.089191206 0.086612806 0.08410892 0.08167739 0.07931614 0.07702313 0.0747964 0.07263403 0.07053415 0.06849496 0.06651472 0.06459172 0.06272431 0.06091087 0.059149854 0.05743974 0.055779066 0.054166395 0.052600343 0.051079564

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.441" PeakHeight="110.0" Num="3" Error="0.0">
-21.197 3.648 -0.29
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.441" EndFrequency="4.0" PeakHeight="197.334" Num="5" zHalfNm="185.053" Error="0.156">
-31.135 -0.364 0.248 -0.091 0.008
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.005" EndDistance="6480.001" A="-8.5258496E11" B="2.63143504E8" C="-20304.088" Error="0.00621"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6498.667" A="-4.51829432E11" B="1.3945352E8" C="-10760.108" Error="7.01E-4"/>
<QuasiParabolic ID="2" StartDistance="6498.667" EndDistance="6517.333" A="0.0" B="-4480.4575" C="0.7951416" Error="0.0194"/>
<QuasiParabolic ID="3" StartDistance="6517.333" EndDistance="6535.0" A="1.576303E11" B="-4.8503404E7" C="3731.248" Error="0.0194"/>
<QuasiParabolic ID="4" StartDistance="6535.0" EndDistance="6537.0" A="2.55153668E13" B="-7.8090962E9" C="597502.7" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6537.0" EndDistance="6542.0" A="2.44961719E13" B="-7.4972728E9" C="573652.06" Error="0.00809"/>
<QuasiParabolic ID="6" StartDistance="6542.0" EndDistance="6543.0" A="4.3516802E13" B="-1.33122007E10" C="1018082.5" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6543.0" EndDistance="6556.0" A="4.9718181E13" B="-1.52077773E10" C="1162937.8" Error="0.0107"/>
<QuasiParabolic ID="8" StartDistance="6556.0" EndDistance="6562.0" A="-2.74465439E13" B="8.3324073E9" C="-632378.25" Error="0.00459"/>
<QuasiParabolic ID="9" StartDistance="6562.0" EndDistance="6567.334" A="-1.32868815E14" B="4.0463548E10" C="-3080651.8" Error="0.00182"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="56.0" Depth="0.116"/>
<TopsideChapman PeakHeight="197.334" PeakDensity="198511.17" PeakScaleHeight="10.651" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
