<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-03 -123 07:50:00.000"
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: 95% PACIFIC flags: Multiple candidates for F2x cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.03 (123) 07:50:00</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">
FF202612305030750001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.175" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.177" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.263" 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="3.450" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="192.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="192.500" 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="3.075" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="222.480" 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="199.638" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="186.047" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.390" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="19.425" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.563" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.583" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="18.280" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.720" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="47">
<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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
192.500 193.000 193.500 194.000 194.500 195.000 195.000 195.000 195.000 195.000 195.000 197.500 197.500 197.500 197.500 197.500 197.500 200.000 200.000 200.000 200.000 200.000 200.000 200.000 202.500 202.500 202.500 202.500 202.500 205.000 205.000 207.500 207.500 208.180 208.948 209.822 210.826 211.991 213.358 214.986 216.957 219.393 222.480 226.519 232.031 240.000 252.542
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
78 0 0 0 0 78 78 81 69 66 54 54 54 54 78 78 72 63 69 69 69 69 72 69 66 69 69 69 66 69 60 57 48 48 69 66 0 69 72 72 87 87 96 93 96 90 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 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="269">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 129.25 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 148.5 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 167.75 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 199.638 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0
</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 0.35375586 0.35312265 0.35191265 0.35033494 0.34821823 0.34559593 0.34250996 0.33892286 0.3348177 0.33020067 0.32495445 0.3191686 0.31270903 0.30557105 0.2977397 0.28906867 0.2796508 0.26920512 0.2577122 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.2565974 0.2617922 0.26698703 0.2721818 0.27737662 0.28257143 0.28776625 0.29296103 0.29815584 0.30335066 0.30854544 0.31374025 0.31893507 0.32412988 0.32932466 0.33451948 0.3397143 0.3449091 0.35010388 0.354 0.36524552 0.41565397 0.47410524 0.53934443 0.61024684 0.68626666 0.7673244 0.85371435 0.945948 1.0446867 1.1506238 1.264359 1.3863688 1.5166898 1.654646 1.7987568 1.9463854 2.0941882 2.2384756 2.3758333 2.5037029 2.6204545 2.7253458 2.8182049 2.89927 2.9689598 3.0277762 3.076174 3.1145968 3.1434011 3.1628592 3.1731615 3.175 3.1746397 3.1700034 3.160283 3.1458158 3.1269395 3.1039886 3.077293 3.0471737 3.013944 2.9779046 2.9393451 2.8985417 2.855757 2.81124 2.7652247 2.717932 2.6695676 2.6203241 2.5703804 2.519902 2.4690418 2.4179409 2.3667278 2.315521 2.2644277 2.2135458 2.1629632 2.1127596 2.063006 2.0137658 1.9650958 1.9170451 1.8696578 1.8229713 1.7770185 1.731827 1.68742 1.6438168 1.6010329 1.5590801 1.5179677 1.4777017 1.4382857 1.399721 1.3620068 1.3251405 1.2891177 1.2539326 1.219578 1.1860459 1.1533265 1.1214099 1.090285 1.05994 1.0303626 1.0015401 0.9734593 0.9461067 0.9194684 0.8935305 0.8682788 0.8436991 0.8197771 0.79649836 0.7738487 0.75181377 0.73037946 0.70953166 0.6892564 0.66954 0.65036863 0.63172895 0.6136077 0.59599173 0.57886827 0.5622246 0.5460484 0.5303274 0.5150497 0.5002036 0.48577765 0.47176057 0.45814142 0.44490945 0.43205413 0.41956526 0.4074328 0.39564696 0.3841982 0.37307718 0.3622749 0.35178238 0.3415911 0.33169255 0.3220786 0.31274122 0.30367264 0.29486528 0.2863118 0.27800494 0.2699378 0.26210353 0.25449547 0.24710727 0.23993261 0.23296541 0.22619973 0.21962982 0.21325009 0.20705506 0.20103946 0.19519813 0.18952607 0.18401839 0.17867038 0.17347746 0.16843513 0.16353907 0.15878505 0.154169 0.14968689 0.1453349 0.14110924 0.13700627 0.13302244 0.12915431 0.12539853 0.12175184 0.11821108 0.1147732 0.111435205 0.10819421 0.10504739 0.101992026 0.099025466 0.09614513 0.09334852 0.090633206 0.087996826 0.0854371 0.082951784 0.080538735 0.07819585 0.07592109 0.07371247 0.07156808 0.06948605 0.067464575 0.06550188 0.06359628 0.06174609 0.05994972 0.058205593 0.056512196 0.054868057 0.05327174 0.05172186 0.05021706

</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="3.175" PeakHeight="199.638" Num="5" zHalfNm="186.047" Error="0.386">
-33.415 2.766 -1.89 0.928 -0.277
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="14" 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="6499.25" A="-2.90721038E11" B="8.972872E7" C="-6923.387" Error="9.59E-4"/>
<QuasiParabolic ID="2" StartDistance="6499.25" EndDistance="6518.5" A="0.0" B="-2927.413" C="0.5150011" Error="0.0216"/>
<QuasiParabolic ID="3" StartDistance="6518.5" EndDistance="6520.0" A="1.02343765E13" B="-3.13969843E9" C="240798.95" Error="0.0"/>
<QuasiParabolic ID="4" StartDistance="6520.0" EndDistance="6527.0" A="-9.4605823E11" B="2.89882784E8" C="-22205.74" Error="0.0779"/>
<QuasiParabolic ID="5" StartDistance="6527.0" EndDistance="6534.0" A="7.1615408E11" B="-2.1945144E8" C="16811.744" Error="0.033"/>
<QuasiParabolic ID="6" StartDistance="6534.0" EndDistance="6535.0" A="-3.98900488E12" B="1.22075635E9" C="-93396.99" Error="1.3E-10"/>
<QuasiParabolic ID="7" StartDistance="6535.0" EndDistance="6536.0" A="4.09068739E12" B="-1.25198797E9" C="95795.38" Error="0.0"/>
<QuasiParabolic ID="8" StartDistance="6536.0" EndDistance="6537.0" A="-3.99142709E12" B="1.22111923E9" C="-93395.81" Error="1.22E-10"/>
<QuasiParabolic ID="9" StartDistance="6537.0" EndDistance="6538.0" A="2.10472691E13" B="-6.4394885E9" C="492546.34" Error="0.0"/>
<QuasiParabolic ID="10" StartDistance="6538.0" EndDistance="6542.0" A="1.54342114E13" B="-4.722432E9" C="361232.75" Error="0.0292"/>
<QuasiParabolic ID="11" StartDistance="6542.0" EndDistance="6548.0" A="2.14102631E13" B="-6.5494118E9" C="500867.44" Error="0.0309"/>
<QuasiParabolic ID="12" StartDistance="6548.0" EndDistance="6557.0" A="4.934883E13" B="-1.5082878E10" C="1152476.0" Error="0.0261"/>
<QuasiParabolic ID="13" StartDistance="6557.0" EndDistance="6569.638" A="-5.2183165E13" B="1.58861619E10" C="-1209049.0" Error="0.00983"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="57.75" Depth="0.1"/>
<TopsideChapman PeakHeight="199.638" PeakDensity="125069.79" PeakScaleHeight="10.583" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
