<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-05 -095 06:55:00.000"
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: 95% PACIFIC flags: Multiple candidates for F2o cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.04.05 (095) 06:55:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202609504050655001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.200" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.145" 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="3.475" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.075" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="222.791" 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="201.614" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="186.050" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.030" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="22.209" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.647" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="12.077" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="19.760" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.320" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="48">
<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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
192.500 192.500 192.500 192.500 192.500 195.000 195.000 195.000 195.278 195.556 195.833 196.111 196.389 196.667 196.944 197.222 197.500 197.500 200.000 200.000 200.000 200.000 200.000 200.000 200.000 202.500 202.500 202.500 205.000 205.000 205.000 207.500 207.500 207.500 207.500 210.000 211.104 212.365 213.816 215.507 217.500 219.885 222.791 226.409 231.037 237.167 245.670 258.256
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
75 75 63 63 75 75 0 75 0 0 0 0 0 0 0 0 66 69 66 0 66 63 66 66 60 63 69 66 63 66 69 66 60 60 51 51 0 0 84 87 84 75 90 96 93 90 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 7.8125 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="293">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 129.25 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 148.5 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 167.75 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 201.614 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0
</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 0.36387953 0.41037935 0.46820557 0.53523326 0.6083114 0.6854262 0.7660018 0.8504022 0.93938684 1.0340217 1.1354859 1.2451758 1.3643993 1.4943333 1.6353444 1.7863522 1.9439466 2.1024866 2.2553506 2.3972728 2.5252957 2.6386867 2.7380233 2.8244746 2.8993206 2.963773 3.0188863 3.0655355 3.1044412 3.1361754 3.1611927 3.1798337 3.1923466 3.1988947 3.2 3.199683 3.1959834 3.1883109 3.1768935 3.1619608 3.143741 3.1224594 3.0983384 3.0715954 3.0424418 3.0110826 2.9777157 2.9425313 2.905712 2.8674314 2.8278556 2.7871418 2.7454388 2.7028873 2.659619 2.6157587 2.571422 2.5267177 2.481747 2.436603 2.3913736 2.346139 2.3009732 2.2559445 2.2111151 2.1665423 2.122278 2.0783694 2.0348592 1.991786 1.9491838 1.9070836 1.8655127 1.8244948 1.784051 1.7441994 1.7049555 1.6663324 1.6283411 1.5909902 1.5542867 1.5182358 1.482841 1.4481044 1.4140266 1.3806071 1.3478445 1.315736 1.284278 1.2534662 1.2232955 1.1937599 1.1648531 1.1365682 1.1088977 1.0818338 1.0553684 1.0294929 1.0041984 0.97947615 0.95531684 0.931711 0.9086494 0.8861222 0.86411995 0.84263283 0.8216513 0.8011654 0.7811656 0.7616422 0.7425856 0.72398615 0.70583445 0.688121 0.67083657 0.6539719 0.63751787 0.6214655 0.6058059 0.5905303 0.5756301 0.56109685 0.5469221 0.5330977 0.51961553 0.5064677 0.4936464 0.48114398 0.46895295 0.45706594 0.4454757 0.43417522 0.4231575 0.41241583 0.4019435 0.39173403 0.38178107 0.37207833 0.3626198 0.35339943 0.3444114 0.3356501 0.32710984 0.31878528 0.310671 0.30276188 0.2950528 0.2875388 0.28021502 0.27307677 0.26611942 0.2593384 0.2527294 0.24628802 0.24001011 0.23389159 0.22792844 0.22211678 0.21645278 0.21093273 0.20555303 0.20031011 0.19520056 0.19022098 0.18536812 0.18063875 0.17602977 0.17153814 0.16716088 0.1628951 0.15873797 0.15468673 0.15073873 0.14689133 0.14314198 0.13948819 0.13592754 0.13245766 0.12907626 0.12578106 0.122569904 0.119440645 0.11639119 0.11341952 0.11052365 0.10770165 0.10495166 0.10227182 0.09966036 0.09711554 0.09463566 0.092219055 0.08986413 0.087569304 0.08533306 0.08315388 0.081030324 0.07896098 0.076944456 0.07497941 0.07306453 0.07119853 0.06938018 0.067608245 0.06588155 0.06419894 0.06255929 0.060961515 0.05940453 0.0578873 0.056408815 0.05496808 0.05356414 0.05219605 0.05086289

</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="3.2" PeakHeight="201.614" Num="5" zHalfNm="186.05" Error="0.505">
-37.344 5.844 -3.537 1.742 -0.569
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="12" 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="136.17142" C="0.043626007" Error="9.59E-4"/>
<QuasiParabolic ID="3" StartDistance="6518.5" EndDistance="6519.0" A="-2.3821128E13" B="7.3081754E9" C="-560525.75" Error="0.0"/>
<QuasiParabolic ID="4" StartDistance="6519.0" EndDistance="6530.0" A="2.83075936E11" B="-8.6886448E7" C="6667.231" Error="0.0392"/>
<QuasiParabolic ID="5" StartDistance="6530.0" EndDistance="6537.0" A="-2.14156853E11" B="6.5405376E7" C="-4993.705" Error="0.0108"/>
<QuasiParabolic ID="6" StartDistance="6537.0" EndDistance="6542.0" A="1.71290814E13" B="-5.2407711E9" C="400863.47" Error="0.0201"/>
<QuasiParabolic ID="7" StartDistance="6542.0" EndDistance="6543.0" A="6.9286683E12" B="-2.12233242E9" C="162523.6" Error="0.0"/>
<QuasiParabolic ID="8" StartDistance="6543.0" EndDistance="6545.0" A="2.00703675E13" B="-6.1393582E9" C="469494.84" Error="0.00321"/>
<QuasiParabolic ID="9" StartDistance="6545.0" EndDistance="6549.0" A="2.76989445E13" B="-8.4704742E9" C="647578.56" Error="0.00798"/>
<QuasiParabolic ID="10" StartDistance="6549.0" EndDistance="6555.0" A="6.6257668E13" B="-2.02459279E10" C="1546605.4" Error="0.00294"/>
<QuasiParabolic ID="11" StartDistance="6555.0" EndDistance="6571.614" A="-3.8906209E13" B="1.18406861E10" C="-900886.06" Error="0.012"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="57.75" Depth="0.1"/>
<TopsideChapman PeakHeight="201.614" PeakDensity="127047.15" PeakScaleHeight="12.077" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
