<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-14 -073 07:20:00.000"
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 33 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 60% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, One of F2 cusps was derived from the other, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.14 (073) 07:20:00</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">
FF202607303140720001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.575" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.786" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.536" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.000" 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="0.150" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.550" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="278.703" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="244.477" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="228.327" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.981" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="23.432" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.833" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="11.847" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="25.660" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.510" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="64">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.0 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 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
232.500 240.000 232.500 232.500 235.000 245.000 245.000 245.000 245.000 250.000 248.750 247.500 250.000 251.250 252.500 242.500 250.000 242.500 242.500 242.500 245.000 247.500 247.500 247.500 247.500 242.500 244.167 245.833 247.500 250.000 252.500 252.500 252.500 252.500 255.000 257.500 257.500 257.500 257.500 257.500 257.500 257.500 257.500 257.500 257.500 260.000 261.250 262.500 262.500 262.500 263.333 264.167 265.000 267.500 272.500 271.250 271.459 271.732 272.106 272.647 273.500 275.046 278.703 298.121
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
75 72 72 75 72 72 72 66 72 57 0 42 42 0 42 78 72 81 0 69 0 0 0 72 72 69 69 69 72 0 72 51 54 60 63 81 72 0 57 87 96 96 93 96 96 111 0 90 93 114 111 105 108 108 96 96 102 0 102 78 78 84 78 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 4.6875 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="337">
<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 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 195.75 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 244.477 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0
</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 0.3627976 0.39910495 0.43760666 0.47874138 0.52283293 0.5701039 0.6206891 0.67459255 0.73170584 0.79181606 0.85463685 0.9198482 0.987092 1.0560584 1.1264347 1.1979738 1.2704695 1.3437697 1.4177173 1.492259 1.5673077 1.6428229 1.718785 1.7951596 1.8719494 1.9491683 2.0268056 2.1048698 2.1833608 2.2622902 2.3416505 2.421426 2.5015862 2.582089 2.662872 2.743847 2.8248746 2.905752 2.9862015 3.0658567 3.1441984 3.220517 3.2938302 3.36287 3.4259496 3.480961 3.5254724 3.5569167 3.5730872 3.575 3.5743258 3.569386 3.5598776 3.5460713 3.528238 3.5066476 3.481566 3.4532552 3.4219701 3.3879592 3.3514626 3.3127115 3.2719276 3.2293234 3.1851008 3.1394522 3.0925593 3.0445938 2.9957175 2.946082 2.8958297 2.845093 2.7939954 2.7426517 2.6911685 2.639644 2.5881684 2.5368252 2.4856904 2.4348335 2.384318 2.334201 2.284535 2.2353659 2.1867356 2.138682 2.091237 2.0444303 1.998287 1.952829 1.908075 1.8640406 1.8207389 1.7781806 1.7363737 1.6953244 1.6550369 1.6155136 1.5767552 1.5387611 1.5015292 1.4650563 1.4293381 1.3943691 1.3601433 1.3266535 1.293892 1.2618505 1.2305201 1.1998914 1.1699547 1.1406996 1.1121159 1.0841926 1.0569189 1.0302836 1.0042753 0.978883 0.954095 0.9298998 0.906286 0.8832421 0.8607565 0.838818 0.81741506 0.7965365 0.77617115 0.7563079 0.7369358 0.718044 0.69962186 0.6816588 0.6641444 0.64706844 0.6304208 0.6141916 0.598371 0.5829495 0.56791764 0.55326617 0.538986 0.5250683 0.51150423 0.49828532 0.48540318 0.47284958 0.46061647 0.44869602 0.43708053 0.42576244 0.4147344 0.40398923 0.39351985 0.38331938 0.37338114 0.36369848 0.35426506 0.3450746 0.33612093 0.3273981 0.31890026 0.3106217 0.3025569 0.2947004 0.2870469 0.27959126 0.2723284 0.26525342 0.25836152 0.251648 0.24510834 0.23873803 0.23253275 0.22648826 0.22060044 0.21486527 0.2092788 0.20383725 0.19853683 0.19337393 0.18834503 0.18344663 0.1786754 0.17402802 0.16950133 0.1650922 0.16079758 0.15661451 0.15254012 0.14857158 0.14470616 0.14094119 0.13727407 0.13370226 0.13022329 0.12683477 0.12353433 0.1203197 0.11718866 0.114139035 0.111168705 0.10827563 0.10545779 0.10271324 0.10004007 0.09743644 0.09490053 0.09243059 0.0900249 0.0876818 0.08539965 0.08317688 0.08101194 0.07890333 0.07684959 0.07484928 0.07290102 0.07100345 0.06915527 0.06735518 0.06560194 0.06389432 0.062231135 0.060611237 0.0590335 0.05749682 0.056000136 0.054542404 0.05312261 0.05173977 0.050392922

</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="3.575" PeakHeight="244.477" Num="5" zHalfNm="228.327" Error="0.602">
-44.785 -6.903 4.378 -1.793 0.376
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" 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="-4667.247" C="0.7571113" Error="0.0789"/>
<QuasiParabolic ID="3" StartDistance="6537.167" EndDistance="6561.0" A="1.33539652E11" B="-4.0897792E7" C="3131.3748" Error="0.0789"/>
<QuasiParabolic ID="4" StartDistance="6561.0" EndDistance="6563.0" A="-1.90226904E12" B="5.7968102E8" C="-44161.63" Error="0.0012"/>
<QuasiParabolic ID="5" StartDistance="6563.0" EndDistance="6570.0" A="5.7412981E12" B="-1.74960973E9" C="133294.61" Error="0.0746"/>
<QuasiParabolic ID="6" StartDistance="6570.0" EndDistance="6603.0" A="1.17092741E13" B="-3.56634522E9" C="271554.53" Error="0.0465"/>
<QuasiParabolic ID="7" StartDistance="6603.0" EndDistance="6610.0" A="3.40974764E12" B="-1.05247974E9" C="81196.72" Error="0.00715"/>
<QuasiParabolic ID="8" StartDistance="6610.0" EndDistance="6614.477" A="-1.01496662E14" B="3.06892493E10" C="-2319841.8" Error="0.0021"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="85.75" Depth="0.154"/>
<TopsideChapman PeakHeight="244.477" PeakDensity="158568.55" PeakScaleHeight="11.847" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
