<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-06 -065 03:00:00.000"
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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 45% PACIFIC flags: F2o cusp not found, Multiple candidates for F2x cusp, One of F2 cusps was derived from the other, F2O model cusp does not fit trace</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.06 (065) 03:00:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.17" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.96" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202606503060300001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="5.625" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.813" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="21.448" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.675" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.675" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="8.300" 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="5.625" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="277.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.675" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.675" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="244.994" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="230.704" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.224" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="21.236" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.831" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.583" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="23.500" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.490" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="119">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 4.025 4.05 4.075 4.1 4.125 4.15 4.175 4.2 4.225 4.25 4.275 4.3 4.325 4.35 4.375 4.4 4.425 4.45 4.475 4.5 4.525 4.55 4.575 4.6 4.625 4.65 4.675 4.7 4.725 4.75 4.775 4.8 4.825 4.85 4.875 4.9 4.925 4.95 4.975 5.0 5.025 5.05 5.075 5.1 5.125 5.15 5.175 5.2 5.225 5.25 5.275 5.3 5.325 5.35 5.375 5.4 5.425 5.45 5.475 5.5 5.525 5.55 5.575 5.6 5.625
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
232.500 232.500 235.000 235.000 235.000 232.500 235.000 235.000 235.000 235.000 235.000 235.000 235.000 235.000 235.000 235.357 235.714 236.071 236.429 236.786 237.143 237.500 237.857 238.214 238.571 238.929 239.286 239.643 240.000 245.000 240.000 240.000 240.000 240.000 240.625 241.250 241.875 242.500 242.500 242.500 242.500 245.000 245.000 245.000 245.000 245.000 245.000 245.000 245.000 247.500 247.500 247.500 248.750 250.000 251.250 252.500 252.500 252.500 252.500 252.500 252.500 252.500 251.250 250.000 250.000 250.000 250.000 250.000 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 255.000 255.000 255.000 255.000 255.000 255.000 255.000 257.500 257.500 257.500 257.500 257.500 257.500 257.500 257.500 258.750 260.000 260.000 260.000 260.000 261.500 263.000 264.500 266.000 267.500 269.000 270.500 272.000 273.500 275.000 267.500 275.000 277.500 270.000 271.667 273.333 275.000 275.000 275.000 277.500 277.500 277.500 277.500
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 69 60 63 60 69 45 45 0 0 0 0 63 63 78 75 87 90 93 93 81 78 93 93 90 90 66 66 105 0 105 102 78 78 78 78 81 78 66 63 0 57 57 0 0 0 81 81 60 0 0 54 0 0 0 0 0 0 0 0 0 0 0 75 87 87 90 87 87 90 66 66 69 66 0 63 60 63 90 90 90 90 90 87 90 90 102 99 99 99 63 63 63 63 63 63 60 60 0 60 60 57 93 93 93 99 0 93 93 0 54 0 0 0 0 0 57 0 57
</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 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 1.5625 1.5625 1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="333">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 138.58333 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 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 195.75 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 244.994 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0
</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 0.3538872 0.3533988 0.35268724 0.35168076 0.35038465 0.34873247 0.34680796 0.3446216 0.34204412 0.33923516 0.3360058 0.33251932 0.32860458 0.3243659 0.31978112 0.314722 0.3093164 0.3034716 0.29713094 0.29034886 0.28298154 0.27503994 0.26650268 0.25724816 0.24721296 0.23637795 0.22454801 0.21165071 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 0.2044898 0.20987755 0.2152653 0.22065306 0.22604081 0.23142858 0.23681633 0.24220408 0.24759184 0.2529796 0.25836736 0.2637551 0.26914287 0.27453062 0.27991837 0.28530613 0.29069388 0.29608163 0.3014694 0.30685714 0.3122449 0.31763265 0.3230204 0.32840815 0.3337959 0.3391837 0.34457144 0.3499592 0.354 0.3685074 0.4236903 0.47847247 0.5353869 0.5957589 0.66041243 0.72993535 0.80466545 0.8847273 0.9700415 1.0603194 1.1551499 1.2540294 1.3563906 1.4617445 1.5696121 1.6796198 1.7914445 1.9048233 2.019603 2.1356275 2.2528167 2.3711383 2.4905465 2.611025 2.7326448 2.855381 2.9792902 3.104398 3.2307818 3.358446 3.4874475 3.6178482 3.749635 3.8828413 4.017459 4.153424 4.290621 4.428892 4.5679297 4.707241 4.8461037 4.983447 5.1175213 5.2458935 5.36485 5.469202 5.552198 5.606275 5.625 5.625 5.6201353 5.6060524 5.583347 5.552617 5.514458 5.4694586 5.418193 5.361221 5.2990837 5.2323017 5.1613727 5.086771 5.008946 4.9283214 4.845298 4.760248 4.673523 4.585447 4.4963217 4.4064264 4.3160176 4.2253313 4.134584 4.043972 3.9536748 3.8638544 3.7746568 3.686213 3.5986407 3.512044 3.4265149 3.3421345 3.2589731 3.1770918 3.0965428 3.01737 2.9396098 2.863292 2.7884398 2.7150714 2.6431992 2.5728312 2.5039709 2.4366183 2.37077 2.3064191 2.2435563 2.1821697 2.1222453 2.0637674 2.0067182 1.9510785 1.8968282 1.8439457 1.7924088 1.7421943 1.6932784 1.6456369 1.5992451 1.554078 1.5101103 1.4673169 1.4256722 1.385151 1.3457279 1.3073778 1.2700757 1.2337966 1.1985162 1.1642102 1.1308546 1.0984256 1.0669003 1.0362554 1.0064684 0.9775175 0.9493807 0.9220367 0.8954647 0.8696442 0.8445552 0.820178 0.7964935 0.77348286 0.75112784 0.7294105 0.70831347 0.68781954 0.6679121 0.64857495 0.6297923 0.61154854 0.59382886 0.5766184 0.55990297 0.5436686 0.52790177 0.51258934 0.49771836 0.48327637 0.46925122 0.45563105 0.44240436 0.4295599 0.4170868 0.40497443 0.39321253 0.38179103 0.37070018 0.35993052 0.34947282 0.3393181 0.3294577 0.31988314 0.31058618 0.30155882 0.29279333 0.28428212 0.27601784 0.26799345 0.26020193 0.25263658 0.2452909 0.23815851 0.23123324 0.2245091 0.21798027 0.2116411 0.2054861 0.19950992 0.19370739 0.18807349 0.18260331 0.17729211 0.1721353 0.16712835 0.16226697 0.15754691 0.15296407 0.14851446 0.14419423 0.13999961 0.13592696 0.13197273 0.1281335 0.124405906 0.12078672 0.11727279 0.11386105 0.11054853 0.10733236 0.104209736 0.10117794 0.09823432 0.09537632 0.09260146 0.08990731 0.08729153 0.084751844 0.08228604 0.07989196 0.077567525 0.07531071 0.07311955 0.070992135 0.0689266 0.06692117 0.06497408 0.06308363 0.06124818 0.059466127 0.057735924 0.056056056 0.05442506 0.052841518 0.05130405

</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="5.625" PeakHeight="244.994" Num="5" zHalfNm="230.704" Error="0.921">
-45.162 -8.061 5.652 -2.323 0.65
</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="6508.583" A="-1.85709953E11" B="5.7317888E7" C="-4422.5513" Error="0.00149"/>
<QuasiParabolic ID="2" StartDistance="6508.583" EndDistance="6537.167" A="0.0" B="319.01428" C="-0.00899424" Error="0.00485"/>
<QuasiParabolic ID="3" StartDistance="6537.167" EndDistance="6539.0" A="-1.56359839E12" B="4.78201664E8" C="-36562.547" Error="0.0171"/>
<QuasiParabolic ID="4" StartDistance="6539.0" EndDistance="6541.0" A="8.505614E11" B="-2.601864E8" C="19897.773" Error="0.0173"/>
<QuasiParabolic ID="5" StartDistance="6541.0" EndDistance="6565.0" A="3.07625206E10" B="-9521715.0" C="736.73706" Error="0.0187"/>
<QuasiParabolic ID="6" StartDistance="6565.0" EndDistance="6567.0" A="2.31958139E13" B="-7.0666588E9" C="538218.6" Error="0.0161"/>
<QuasiParabolic ID="7" StartDistance="6567.0" EndDistance="6569.0" A="1.14199259E12" B="-3.5009952E8" C="26831.434" Error="0.0173"/>
<QuasiParabolic ID="8" StartDistance="6569.0" EndDistance="6574.0" A="1.58770963E13" B="-4.836354E9" C="368303.1" Error="0.00709"/>
<QuasiParabolic ID="9" StartDistance="6574.0" EndDistance="6590.0" A="2.79631857E13" B="-8.5132902E9" C="647960.56" Error="0.0141"/>
<QuasiParabolic ID="10" StartDistance="6590.0" EndDistance="6611.0" A="3.8678559E13" B="-1.17653012E10" C="894698.8" Error="0.0134"/>
<QuasiParabolic ID="11" StartDistance="6611.0" EndDistance="6614.994" A="-3.50528656E14" B="1.05980035E11" C="-8010560.5" Error="0.00287"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="85.75" Depth="0.154"/>
<TopsideChapman PeakHeight="244.994" PeakDensity="392563.6" PeakScaleHeight="10.583" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
