<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-06 -126 07:35:00.000"
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" >
2026.05.06 (126) 07:35:00</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">
FF202612605060735001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.450" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.592" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.392" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.950" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.950" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.750" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="260.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="260.000" 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="3.250" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="278.642" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.950" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.950" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="263.596" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="242.905" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.360" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="29.635" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.001" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="15.910" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="28.000" 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="21">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
260.000 261.667 263.333 265.000 265.000 265.000 266.249 267.658 269.258 271.091 273.212 275.695 278.642 282.195 286.564 292.064 299.202 308.837 322.556 343.656 380.282
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 0 0 72 78 90 87 90 84 99 102 102 108 102 99 63 63 102 93 84 75
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="416">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 144.44766 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 178.89534 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 213.343 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 263.596 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0
</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 0.35362422 0.35313663 0.3524263 0.35149595 0.35042334 0.34906456 0.34757245 0.34580705 0.34384918 0.3417069 0.33931977 0.3367007 0.3338639 0.3308245 0.32747084 0.32389197 0.3200506 0.3159766 0.31158784 0.30687478 0.30189112 0.2965677 0.2909566 0.28487208 0.27853155 0.27166772 0.26442394 0.25665408 0.24832746 0.23940766 0.2299021 0.21971086 0.208739 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 0.2 0.2 0.2 0.2 0.2 0.20046791 0.20493847 0.20940901 0.21387957 0.21835011 0.22282067 0.22729121 0.23176177 0.23623231 0.24070287 0.24517341 0.24964397 0.2541145 0.25858507 0.26305562 0.26752615 0.2719967 0.27646726 0.28093782 0.28540835 0.2898789 0.29434946 0.29882002 0.30329055 0.3077611 0.31223166 0.31670222 0.32117274 0.3256433 0.33011386 0.33458441 0.33905494 0.3435255 0.34799606 0.3524666 0.354 0.371993 0.40320235 0.4392092 0.4797866 0.52436066 0.5721719 0.6225502 0.67504495 0.72937036 0.7854655 0.8433415 0.90310264 0.96491355 1.0289594 1.0954461 1.1646068 1.2366705 1.3118654 1.3904109 1.4724821 1.5581928 1.6476074 1.7406341 1.8370363 1.936419 2.0381312 2.1413026 2.2449424 2.3478768 2.4489644 2.5470881 2.6413252 2.7309215 2.8153532 2.8942773 2.9675415 3.0350928 3.0969844 3.1533175 3.2042463 3.2499352 3.290549 3.326256 3.3571997 3.3835206 3.4053342 3.4227436 3.4358294 3.4446533 3.449255 3.45 3.4497838 3.447425 3.4425523 3.435274 3.4256973 3.413931 3.400082 3.384258 3.366565 3.3471072 3.3259873 3.3033066 3.2791631 3.2536535 3.226871 3.1989071 3.1698494 3.1397834 3.1087916 3.076953 3.0443442 3.0110383 2.9771054 2.9426131 2.9076257 2.8722043 2.8364072 2.8002906 2.7639067 2.727306 2.6905355 2.6536407 2.6166637 2.5796444 2.5426204 2.5056274 2.4686985 2.4318647 2.3951552 2.358597 2.3222158 2.286035 2.2500765 2.2143605 2.1789057 2.1437294 2.1088479 2.074275 2.0400245 2.0061083 1.9725373 1.9393214 1.9064697 1.8739898 1.8418889 1.810173 1.7788476 1.747917 1.7173853 1.6872556 1.6575305 1.628212 1.5993015 1.5707998 1.5427074 1.5150243 1.48775 1.4608837 1.4344243 1.40837 1.3827192 1.3574696 1.3326187 1.3081642 1.284103 1.260432 1.237148 1.2142476 1.191727 1.1695828 1.1478108 1.1264073 1.1053679 1.0846887 1.0643653 1.0443934 1.0247687 1.0054867 0.98654294 0.9679329 0.949652 0.9316958 0.9140597 0.89673907 0.87972933 0.8630259 0.8466242 0.83051974 0.8147079 0.79918414 0.783944 0.768983 0.7542967 0.7398806 0.7257305 0.7118418 0.6982104 0.6848319 0.67170215 0.65881693 0.6461721 0.6337636 0.62158734 0.6096393 0.5979156 0.58641225 0.5751255 0.56405145 0.5531864 0.54252666 0.53206855 0.5218085 0.5117429 0.50186837 0.49218133 0.48267847 0.4733565 0.464212 0.45524183 0.44644275 0.43781167 0.4293455 0.42104113 0.41289565 0.4049061 0.3970696 0.3893833 0.38184437 0.37445012 0.3671978 0.3600848 0.35310847 0.34626627 0.3395557 0.33297426 0.3265195 0.32018903 0.31398055 0.30789173 0.3019203 0.29606402 0.29032075 0.2846883 0.27916458 0.27374756 0.26843515 0.26322538 0.25811628 0.25310594 0.2481925 0.24337408 0.23864886 0.23401506 0.22947094 0.22501478 0.22064488 0.2163596 0.2121573 0.20803641 0.20399533 0.20003258 0.19614659 0.19233593 0.18859914 0.1849348 0.1813415 0.17781787 0.17436258 0.17097431 0.16765176 0.16439368 0.1611988 0.15806592 0.15499382 0.15198135 0.14902735 0.1461307 0.14329025 0.14050497 0.13777375 0.13509557 0.13246939 0.1298942 0.12736903 0.1248929 0.12246486 0.12008397 0.11774934 0.11546006 0.11321525 0.11101405 0.10885561 0.10673912 0.104663745 0.10262869 0.10063318 0.09867646 0.09675775 0.094876334 0.09303147 0.09122248 0.08944863 0.08770927 0.086003706 0.0843313 0.0826914 0.08108337 0.079506606 0.07796049 0.076444425 0.07495783 0.07350014 0.07207079 0.07066923 0.06929491 0.06794731 0.066625915 0.06533021 0.06405969 0.06281388 0.061592285 0.060394447 0.059219897 0.058068186 0.056938868 0.05583151 0.054745685 0.05368097 0.052636962 0.051613253 0.05060945

</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="3.45" PeakHeight="263.596" Num="5" zHalfNm="242.905" Error="1.676">
-52.291 3.848 -2.794 1.626 -0.642
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" 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="6514.448" A="-1.28071999E11" B="3.9528396E7" C="-3049.905" Error="0.00168"/>
<QuasiParabolic ID="2" StartDistance="6514.448" EndDistance="6548.895" A="0.0" B="140.88274" C="0.018403968" Error="0.00209"/>
<QuasiParabolic ID="3" StartDistance="6548.895" EndDistance="6550.0" A="-1.74276044E12" B="5.32073344E8" C="-40611.11" Error="0.00256"/>
<QuasiParabolic ID="4" StartDistance="6550.0" EndDistance="6575.0" A="5.4669033E10" B="-1.6760083E7" C="1284.5719" Error="0.0192"/>
<QuasiParabolic ID="5" StartDistance="6575.0" EndDistance="6582.0" A="-7.3649373E10" B="2.2272132E7" C="-1683.6575" Error="0.00877"/>
<QuasiParabolic ID="6" StartDistance="6582.0" EndDistance="6593.0" A="7.3190254E12" B="-2.22405862E9" C="168958.31" Error="0.0134"/>
<QuasiParabolic ID="7" StartDistance="6593.0" EndDistance="6599.0" A="1.11116949E13" B="-3.3745728E9" C="256211.0" Error="0.00298"/>
<QuasiParabolic ID="8" StartDistance="6599.0" EndDistance="6615.0" A="2.26703893E13" B="-6.877738E9" C="521642.53" Error="0.0172"/>
<QuasiParabolic ID="9" StartDistance="6615.0" EndDistance="6633.596" A="-2.77278789E13" B="8.3598336E9" C="-630101.4" Error="0.0077"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="103.343" Depth="0.154"/>
<TopsideChapman PeakHeight="263.596" PeakDensity="147673.7" PeakScaleHeight="15.91" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
