<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-06-03 -154 00:00:00.000"
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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 70% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.06.03 (154) 00:00:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.23" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.00" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="73.46457" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202615406030000001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.950" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.490" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.786" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.975" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.975" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.425" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="240.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="240.000" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.725" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="293.421" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.975" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.975" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="261.966" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="236.579" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.861" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="36.285" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.587" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="19.522" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="33.210" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.940" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="40">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
240.000 240.000 242.500 242.500 245.000 245.000 245.000 247.500 250.000 250.000 250.000 252.500 255.000 255.000 255.000 257.500 260.000 260.000 265.000 267.500 267.500 270.000 272.500 277.500 279.095 280.857 282.814 285.000 287.458 290.242 293.421 297.086 301.358 306.401 312.444 319.817 329.015 340.811 356.484 378.325
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
72 75 90 90 87 84 96 102 99 102 102 99 93 93 93 96 87 84 87 78 81 81 75 69 69 69 69 72 81 81 0 0 0 0 81 0 84 78 0 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 1.5625 -1.5625 1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="477">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 140.33333 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 170.66667 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 261.966 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0
</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 0.35347393 0.35283697 0.35190412 0.35075444 0.34931904 0.34760568 0.34569573 0.3434548 0.34089813 0.338043 0.33497614 0.33158195 0.3278234 0.3237977 0.31935477 0.31466332 0.30954042 0.30405807 0.29813874 0.29176548 0.28499955 0.27773643 0.26987928 0.2613832 0.2523016 0.2425206 0.23193197 0.22042523 0.20793872 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 0.20169231 0.20676923 0.21184616 0.21692307 0.222 0.22707692 0.23215385 0.23723076 0.2423077 0.24738462 0.25246155 0.25753847 0.26261538 0.2676923 0.27276924 0.27784616 0.28292307 0.288 0.29307693 0.29815385 0.30323076 0.30830768 0.31338462 0.31846154 0.32353845 0.3286154 0.3336923 0.33876923 0.34384614 0.3489231 0.354 0.3821006 0.41300315 0.44647822 0.4822092 0.51991725 0.5593939 0.6004727 0.6430854 0.68722486 0.73290974 0.7802192 0.8292513 0.88012606 0.9329996 0.9880238 1.0453777 1.1052777 1.1679139 1.2335224 1.3023193 1.3745552 1.4504399 1.5301818 1.6139611 1.7018799 1.7939507 1.8900807 1.9900026 2.0932271 2.1991043 2.3067853 2.4152281 2.523341 2.6300094 2.7342415 2.8351588 2.9320543 3.0244422 3.1120043 3.1945941 3.2721334 3.344672 3.412302 3.4751494 3.5333755 3.5871572 3.636643 3.681995 3.7233799 3.7609262 3.7947793 3.8250484 3.851844 3.8752627 3.8953838 3.9122748 3.9260004 3.9366043 3.944123 3.9485824 3.95 3.9499989 3.9489298 3.945904 3.9409876 3.9342473 3.9257495 3.915562 3.903751 3.8903832 3.8755255 3.8592427 3.8416002 3.8226619 3.8024912 3.7811496 3.7586987 3.7351975 3.710705 3.6852782 3.6589727 3.6318429 3.6039412 3.5753193 3.5460272 3.5161128 3.485623 3.4546032 3.423097 3.3911464 3.3587925 3.3260741 3.2930293 3.259694 3.2261035 3.1922908 3.1582878 3.1241252 3.0898328 3.0554383 3.0209682 2.9864485 2.951903 2.9173553 2.8828273 2.8483398 2.8139126 2.7795646 2.7453134 2.7111762 2.6771686 2.6433055 2.6096015 2.5760694 2.5427217 2.5095701 2.476626 2.4438992 2.4113991 2.379135 2.3471148 2.3153465 2.2838366 2.252592 2.2216187 2.190922 2.160507 2.1303778 2.100539 2.070994 2.041746 2.0127978 1.9841521 1.9558109 1.9277761 1.9000492 1.8726314 1.8455236 1.8187264 1.7922404 1.7660657 1.7402022 1.7146497 1.6894077 1.6644756 1.6398525 1.6155375 1.5915295 1.5678271 1.5444288 1.5213332 1.4985386 1.4760432 1.453845 1.4319422 1.4103326 1.3890139 1.367984 1.3472407 1.3267815 1.3066039 1.2867056 1.2670838 1.2477361 1.2286597 1.2098522 1.1913108 1.1730325 1.155015 1.1372552 1.1197504 1.1024979 1.0854948 1.0687381 1.0522254 1.0359534 1.0199195 1.0041208 0.9885545 0.9732178 0.9581077 0.9432216 0.92855656 0.9141098 0.89987856 0.88586 0.8720514 0.85845006 0.8450532 0.83185804 0.818862 0.80606234 0.79345644 0.7810417 0.76881534 0.75677496 0.7449179 0.7332416 0.72174364 0.71042144 0.6992725 0.6882944 0.6774848 0.66684115 0.65636116 0.6460425 0.63588285 0.6258798 0.6160312 0.6063348 0.59678835 0.58738965 0.5781365 0.5690268 0.5600585 0.55122936 0.54253745 0.53398067 0.525557 0.5172645 0.5091012 0.50106514 0.4931544 0.48536715 0.4777015 0.47015557 0.46272764 0.45541584 0.4482185 0.4411338 0.43416005 0.42729557 0.42053872 0.4138878 0.4073412 0.40089738 0.39455473 0.38831168 0.3821667 0.37611833 0.37016505 0.36430538 0.35853788 0.35286114 0.34727377 0.34177437 0.3363616 0.33103406 0.3257905 0.32062957 0.31555 0.31055054 0.3056299 0.30078694 0.29602036 0.29132903 0.28671172 0.28216735 0.2776947 0.27329272 0.26896027 0.26469627 0.26049966 0.25636935 0.25230435 0.24830358 0.2443661 0.24049087 0.23667693 0.23292331 0.2292291 0.22559331 0.22201505 0.21849343 0.21502754 0.21161652 0.20825948 0.2049556 0.20170403 0.19850394 0.19535452 0.192255 0.18920456 0.18620245 0.18324788 0.18034014 0.17747845 0.17466211 0.17189041 0.16916262 0.16647807 0.16383606 0.16123593 0.15867701 0.15615866 0.15368024 0.1512411 0.14884064 0.14647822 0.14415328 0.1418652 0.1396134 0.13739732 0.13521639 0.13307004 0.13095772 0.12887892 0.12683308 0.1248197 0.12283826 0.12088825 0.11896917 0.11708054 0.11522187 0.11339269 0.11159253 0.10982093 0.108077444 0.10636162 0.10467303 0.10301122 0.10137579 0.09976631 0.09818237 0.09662356 0.0950895 0.09357978 0.09209402 0.090631835 0.08919287 0.08777673 0.08638307 0.08501153 0.08366176 0.082333416 0.08102615 0.07973964 0.078473546 0.077227555 0.07600134 0.07479458 0.07360699 0.07243825 0.07128806 0.07015612 0.06904216 0.06794588 0.06686701 0.06580526 0.064760365 0.06373206 0.06272008 0.061724167 0.060744066 0.059779525 0.058830295 0.057896134 0.056976806 0.056072075 0.05518171 0.054305475 0.053443156 0.052594528 0.05175937 0.050937474 0.05012863

</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="3.95" PeakHeight="261.966" Num="5" zHalfNm="236.579" Error="2.24">
-64.594 6.607 -4.82 2.51 -0.669
</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="6510.333" A="-1.64983013E11" B="5.0920684E7" C="-3928.9397" Error="0.00156"/>
<QuasiParabolic ID="2" StartDistance="6510.333" EndDistance="6540.667" A="0.0" B="-1122.3468" C="0.21241768" Error="0.0206"/>
<QuasiParabolic ID="3" StartDistance="6540.667" EndDistance="6568.0" A="6.1008298E10" B="-1.8730506E7" C="1437.6575" Error="0.0207"/>
<QuasiParabolic ID="4" StartDistance="6568.0" EndDistance="6572.0" A="2.77864461E12" B="-8.4626899E8" C="64435.41" Error="0.0397"/>
<QuasiParabolic ID="5" StartDistance="6572.0" EndDistance="6583.0" A="5.6342641E12" B="-1.7152951E9" C="130551.21" Error="0.0381"/>
<QuasiParabolic ID="6" StartDistance="6583.0" EndDistance="6591.0" A="1.06669057E13" B="-3.24427622E9" C="246682.23" Error="0.0108"/>
<QuasiParabolic ID="7" StartDistance="6591.0" EndDistance="6607.0" A="2.62300322E13" B="-7.9668152E9" C="604938.9" Error="0.0153"/>
<QuasiParabolic ID="8" StartDistance="6607.0" EndDistance="6631.966" A="-2.34668876E13" B="7.0769024E9" C="-533529.25" Error="0.00671"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="91.0" Depth="0.154"/>
<TopsideChapman PeakHeight="261.966" PeakDensity="193579.4" PeakScaleHeight="19.522" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
