<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-06-02 -153 23:05:00.000"
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, F2 cusps do not match</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.06.02 (153) 23:05:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" 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">
FF202615306022305001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.000" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.592" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.366" 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="4.450" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="235.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="235.000" 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="3.825" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="286.215" 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="252.181" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="229.709" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.253" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="32.150" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.440" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="17.228" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="29.820" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.780" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="42">
<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 3.975 4.0
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
235.000 235.833 236.667 237.500 238.333 239.167 240.000 242.500 242.500 242.500 245.000 247.500 247.500 247.500 252.500 250.000 250.000 255.000 255.000 255.000 257.500 257.500 257.500 262.500 265.000 267.500 270.000 270.000 270.000 272.500 275.000 277.213 279.761 282.724 286.215 290.386 295.461 301.765 309.810 320.431 335.101 356.681
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 0 0 0 0 0 78 81 93 93 93 87 90 90 81 87 72 75 72 72 81 78 72 72 75 75 72 72 69 69 69 69 0 0 0 0 81 78 96 0 81 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
1.5625 -1.5625 1.5625 1.5625 10.9375 -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 -10.9375 -1.5625 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="433">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 139.16667 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 168.33333 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 197.5 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 252.181 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0
</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 0.352762 0.35175505 0.3505324 0.3489521 0.3470975 0.34497866 0.3425364 0.33978727 0.33674988 0.3333779 0.32963315 0.32561377 0.321167 0.3164043 0.31120363 0.30563802 0.29957724 0.29311055 0.28615454 0.27862445 0.27052397 0.26174292 0.2523066 0.24211602 0.23105234 0.21895285 0.20588575 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 0.20352 0.2088 0.21408 0.21936 0.22464 0.22992 0.2352 0.24048 0.24576 0.25104 0.25632 0.2616 0.26688 0.27216 0.27744 0.28272 0.288 0.29328 0.29856 0.30384 0.30912 0.3144 0.31968 0.32496 0.33024 0.33552 0.3408 0.34608 0.35136 0.354 0.36940703 0.40277767 0.43934762 0.4787989 0.5208017 0.56511724 0.61158717 0.66012347 0.71074194 0.7634917 0.8184945 0.8758758 0.93583316 0.9985556 1.0642763 1.1332392 1.205678 1.281872 1.3620853 1.4465529 1.5355043 1.629085 1.7273605 1.8302667 1.9375681 2.0488625 2.16344 2.2804248 2.3987086 2.5170903 2.6342776 2.7491019 2.8604758 2.9675322 3.0696194 3.1662834 3.2572675 3.342425 3.4217322 3.4952865 3.5631657 3.6255288 3.6825314 3.7343447 3.7811313 3.823044 3.8602195 3.8928015 3.9208999 3.9446144 3.9640353 3.9792275 3.9902503 3.9971442 3.999933 4.0 3.999126 3.9957418 3.9899015 3.9817035 3.9712462 3.9586282 3.9439483 3.927304 3.9087923 3.888509 3.8665485 3.8430035 3.817965 3.791522 3.7637615 3.7347682 3.7046244 3.6734104 3.6412036 3.6080792 3.57411 3.539366 3.5039146 3.4678206 3.4311469 3.3939528 3.3562963 3.3182323 3.2798128 3.2410884 3.2021065 3.162913 3.1235511 3.084062 3.0444846 3.0048556 2.9652104 2.9255822 2.8860016 2.8464983 2.8071 2.7678325 2.7287207 2.689787 2.6510527 2.612538 2.5742614 2.5362403 2.4984906 2.4610271 2.4238636 2.3870127 2.350486 2.314294 2.2784467 2.2429523 2.2078192 2.1730545 2.1386642 2.1046543 2.0710294 2.0377944 2.0049524 1.9725068 1.9404602 1.9088145 1.8775716 1.8467323 1.8162975 1.7862674 1.7566421 1.7274209 1.6986033 1.6701882 1.6421741 1.6145595 1.5873425 1.560521 1.5340928 1.5080552 1.4824057 1.4571413 1.4322591 1.4077559 1.3836282 1.3598728 1.3364863 1.3134649 1.2908049 1.2685025 1.2465539 1.2249552 1.2037024 1.1827916 1.1622186 1.1419792 1.1220695 1.1024853 1.0832224 1.0642766 1.0456438 1.0273198 1.0093002 0.9915812 0.9741584 0.9570277 0.9401849 0.9236259 0.9073466 0.89134294 0.87561077 0.86014616 0.844945 0.83000344 0.8153174 0.80088305 0.7866965 0.7727539 0.75905144 0.7455854 0.732352 0.71934754 0.7065684 0.69401103 0.6816718 0.66954714 0.65763366 0.6459279 0.6344265 0.623126 0.6120232 0.60111475 0.5903975 0.5798682 0.5695238 0.55936116 0.54937726 0.539569 0.52993363 0.520468 0.5111694 0.5020349 0.49306172 0.48424715 0.47558847 0.467083 0.4587281 0.45052123 0.44245982 0.43454137 0.4267634 0.41912347 0.41161925 0.40424833 0.39700842 0.38989723 0.38291252 0.3760521 0.36931384 0.36269554 0.35619515 0.34981057 0.3435398 0.33738083 0.3313317 0.32539052 0.3195553 0.3138243 0.3081956 0.3026674 0.29723796 0.29190555 0.2866684 0.28152487 0.27647328 0.27151206 0.26663953 0.26185417 0.25715443 0.2525388 0.24800576 0.24355386 0.23918167 0.23488775 0.23067074 0.22652924 0.22246194 0.21846749 0.21454462 0.21069203 0.2069085 0.20319277 0.19954364 0.19595994 0.19244048 0.18898413 0.18558975 0.18225624 0.17898253 0.17576753 0.1726102 0.1695095 0.16646443 0.163474 0.16053721 0.15765314 0.15482081 0.15203932 0.14930774 0.14662519 0.14399078 0.14140368 0.138863 0.13636795 0.13391767 0.13151139 0.12914832 0.12682767 0.124548696 0.122310646 0.12011278 0.11795438 0.11583475 0.11375318 0.11170899 0.10970152 0.10773011 0.1057941 0.10389287 0.10202579 0.10019225 0.098391645 0.09662338 0.094886884 0.09318159 0.09150692 0.08986234 0.08824731 0.086661294 0.085103765 0.08357423 0.08207217 0.0805971 0.07914853 0.07772599 0.076329015 0.07495714 0.07360991 0.0722869 0.07098765 0.06971175 0.06845878 0.067228325 0.06601998 0.06483335 0.06366804 0.06252368 0.06139988 0.060296275 0.059212506 0.058148213 0.057103045 0.05607666 0.055068724 0.0540789 0.053106863 0.0521523 0.05121489 0.05029433

</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="4.0" PeakHeight="252.181" Num="5" zHalfNm="229.709" Error="1.633">
-57.516 5.156 -3.732 1.924 -0.513
</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="6509.167" A="-1.78385355E11" B="5.5057208E7" C="-4248.116" Error="0.00152"/>
<QuasiParabolic ID="2" StartDistance="6509.167" EndDistance="6538.333" A="0.0" B="-2234.5732" C="0.38331378" Error="0.0387"/>
<QuasiParabolic ID="3" StartDistance="6538.333" EndDistance="6562.0" A="9.2003844E10" B="-2.8208098E7" C="2162.1592" Error="0.0387"/>
<QuasiParabolic ID="4" StartDistance="6562.0" EndDistance="6566.0" A="-2.69005668E11" B="8.1822232E7" C="-6221.7427" Error="0.00289"/>
<QuasiParabolic ID="5" StartDistance="6566.0" EndDistance="6569.0" A="7.4347362E12" B="-2.26473344E9" C="172468.14" Error="0.0264"/>
<QuasiParabolic ID="6" StartDistance="6569.0" EndDistance="6575.0" A="5.754475E12" B="-1.75316045E9" C="133529.72" Error="0.00353"/>
<QuasiParabolic ID="7" StartDistance="6575.0" EndDistance="6584.0" A="1.04741816E13" B="-3.1888128E9" C="242704.81" Error="0.0193"/>
<QuasiParabolic ID="8" StartDistance="6584.0" EndDistance="6601.0" A="2.93149658E13" B="-8.9120154E9" C="677334.44" Error="0.0212"/>
<QuasiParabolic ID="9" StartDistance="6601.0" EndDistance="6622.181" A="-3.09963616E13" B="9.3613763E9" C="-706803.7" Error="0.00951"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="87.5" Depth="0.154"/>
<TopsideChapman PeakHeight="252.181" PeakDensity="198511.17" PeakScaleHeight="17.228" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
