<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-09 -129 21:30:00.000"
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 F2x cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.09 (129) 21:30:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.99" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202612905092130001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.400" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.019" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="17.682" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.925" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.925" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.775" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="197.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="197.500" 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="4.275" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="240.459" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.558" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.925" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.925" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="209.717" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="192.243" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.071" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="24.927" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.380" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="13.509" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="22.530" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.070" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="60">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
197.500 202.500 202.500 202.500 201.250 200.000 200.000 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 205.000 205.000 205.000 205.000 205.000 207.500 207.500 207.500 207.500 210.000 210.000 210.000 210.000 210.000 210.000 212.500 212.500 212.500 212.500 212.500 215.000 215.000 217.500 217.500 217.500 217.500 218.750 220.000 222.500 225.000 225.816 226.746 227.817 229.063 230.531 232.286 234.420 237.073 240.459 244.931 251.112 260.210 274.931 302.820
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
42 42 0 48 0 54 78 84 84 87 87 87 90 90 87 87 102 102 102 102 87 84 72 75 75 66 66 63 51 0 72 69 45 48 33 33 60 60 75 75 99 96 78 78 102 99 93 90 81 81 78 78 69 69 69 69 66 66 72 69
</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 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 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="338">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
91.296 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 130.41667 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 150.83333 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 171.25 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 209.717 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.24131946 0.29281098 0.33469996 0.36947474 0.39902386 0.4245528 0.44681302 0.46632367 0.48344025 0.4984259 0.5114723 0.5227237 0.53229314 0.5402669 0.54671115 0.5516762 0.5551974 0.55730057 0.558 0.5576067 0.5565166 0.55473965 0.55220824 0.54895216 0.5449274 0.5401068 0.5344822 0.5281429 0.520897 0.51275593 0.5037104 0.4937543 0.4826879 0.47056228 0.45728397 0.44264394 0.42651543 0.40883633 0.38916883 0.379 0.379 0.379 0.379 0.379 0.379 0.379 0.379 0.379 0.379 0.379 0.379 0.379 0.379 0.379 0.379 0.379 0.379 0.379 0.379 0.379 0.379 0.38046122 0.38922858 0.39799592 0.40676326 0.41553062 0.42429796 0.4330653 0.44183266 0.4506 0.45936733 0.4681347 0.47690204 0.48566937 0.49443674 0.5032041 0.5119714 0.5207388 0.52950615 0.53827345 0.5470408 0.5558082 0.558 0.6034338 0.66982275 0.7417386 0.81825477 0.89890903 0.983637 1.0726873 1.1665117 1.265708 1.3710437 1.483377 1.6036272 1.732787 1.8717111 2.021107 2.181113 2.3509424 2.5286279 2.7106936 2.8925745 3.069479 3.237337 3.3933854 3.5361693 3.665396 3.7813885 3.8848238 3.976577 4.057455 4.1282783 4.1897492 4.242466 4.286955 4.3236475 4.3528905 4.37495 4.3900285 4.3982644 4.4 4.399812 4.3962016 4.388165 4.375926 4.3597107 4.339743 4.3162475 4.289444 4.2595506 4.22678 4.1913404 4.1534343 4.113258 4.0710006 4.026845 3.9809675 3.9335358 3.884711 3.8346467 3.7834888 3.7313766 3.678441 3.624807 3.5705912 3.5159044 3.4608505 3.4055266 3.3500242 3.294428 3.2388177 3.1832666 3.1278436 3.0726118 3.0176299 2.9629517 2.9086268 2.8547003 2.8012142 2.7482061 2.69571 2.6437569 2.5923746 2.541588 2.4914193 2.441888 2.3930113 2.344804 2.297279 2.2504466 2.2043164 2.1588953 2.1141891 2.0702024 2.0269372 1.984396 1.9425788 1.9014851 1.8611133 1.821461 1.7825248 1.7443006 1.7067838 1.669969 1.6338502 1.5984211 1.5636747 1.5296037 1.4962006 1.4634571 1.4313653 1.3999163 1.3691016 1.3389122 1.3093392 1.2803731 1.2520046 1.2242244 1.1970232 1.1703912 1.1443189 1.118797 1.0938157 1.0693655 1.0454371 1.0220208 0.99910736 0.97668743 0.95475173 0.93329114 0.9122964 0.8917587 0.87166893 0.8520184 0.8327984 0.81400037 0.7956158 0.7776363 0.76005363 0.74285966 0.72604644 0.7096061 0.69353086 0.67781305 0.66244525 0.64742 0.6327301 0.6183685 0.60432816 0.5906021 0.5771838 0.5640664 0.55124354 0.53870887 0.5264561 0.5144791 0.50277185 0.49132845 0.48014316 0.46921027 0.4585243 0.44807974 0.4378713 0.4278938 0.41814205 0.4086111 0.39929602 0.39019203 0.38129443 0.37259862 0.3641001 0.35579446 0.34767738 0.33974466 0.33199212 0.32441577 0.31701165 0.3097759 0.30270466 0.2957943 0.28904122 0.2824418 0.2759926 0.26969028 0.26353145 0.2575129 0.25163147 0.24588406 0.24026762 0.2347792 0.2294159 0.22417486 0.21905334 0.21404862 0.20915805 0.20437902 0.19970903 0.19514559 0.19068627 0.18632872 0.18207061 0.1779097 0.17384377 0.16987066 0.16598824 0.16219448 0.15848733 0.15486483 0.15132506 0.14786614 0.14448622 0.14118348 0.13795619 0.13480262 0.13172108 0.12870996 0.1257676 0.12289249 0.12008306 0.11733782 0.11465531 0.1120341 0.109472774 0.10696999 0.1045244 0.1021347 0.0997996 0.097517885 0.095288314 0.0931097 0.09098087 0.088900715 0.08686809 0.08488194 0.08294118 0.081044786 0.079191744 0.07738106 0.07561176 0.073882915 0.072193585 0.07054288 0.0689299 0.06735381 0.06581374 0.06430888 0.06283843 0.061401594 0.059997607 0.05862572 0.057285197 0.055975325 0.054695398 0.053444736 0.052222665 0.05102854

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.558" PeakHeight="110.0" Num="3" Error="0.0">
-23.156 4.957 -0.505
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.558" EndFrequency="4.4" PeakHeight="209.717" Num="5" zHalfNm="192.243" Error="0.742">
-41.325 5.117 -3.486 1.593 -0.366
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6459.993" EndDistance="6480.001" A="-1.36345184E12" B="4.20818464E8" C="-32470.248" Error="0.0204"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6500.417" A="-7.1316944E11" B="2.20114032E8" C="-16983.795" Error="0.00121"/>
<QuasiParabolic ID="2" StartDistance="6500.417" EndDistance="6520.833" A="0.0" B="5900.3853" C="-0.76387924" Error="0.0186"/>
<QuasiParabolic ID="3" StartDistance="6520.833" EndDistance="6523.0" A="-1.05119325E13" B="3.2229952E9" C="-247045.23" Error="0.0797"/>
<QuasiParabolic ID="4" StartDistance="6523.0" EndDistance="6541.0" A="8.1154035E11" B="-2.48865296E8" C="19079.299" Error="0.0754"/>
<QuasiParabolic ID="5" StartDistance="6541.0" EndDistance="6552.0" A="2.54726185E13" B="-7.7893263E9" C="595479.0" Error="0.0765"/>
<QuasiParabolic ID="6" StartDistance="6552.0" EndDistance="6562.0" A="7.4372518E13" B="-2.27160351E10" C="1734574.6" Error="0.0111"/>
<QuasiParabolic ID="7" StartDistance="6562.0" EndDistance="6579.717" A="-5.8973105E13" B="1.79257262E10" C="-1362176.5" Error="0.00502"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="61.25" Depth="0.179"/>
<TopsideChapman PeakHeight="209.717" PeakDensity="240198.52" PeakScaleHeight="13.509" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
