<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-10-15 -288 03:55:00.000"
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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 50% PACIFIC flags: F2o cusp not found, One of F2 cusps was derived from the other, F2O model cusp does not fit trace</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.10.15 (288) 03:55:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.31" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.05" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="62.486557" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202628810150355001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="23" >
<URSI ID="00" Val="3.675" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.454" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.692" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.575" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.575" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.075" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="300.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="300.000" 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="88" Val="3.675" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="330.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.575" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.575" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="287.348" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="266.316" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.438" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="30.682" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.127" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="14.893" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="34.940" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.360" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="45">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 3.6 3.625 3.65 3.675
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
300.000 300.000 300.000 300.000 302.500 302.500 302.500 302.500 303.214 303.929 304.643 305.357 306.071 306.786 307.500 308.214 308.929 309.643 310.357 311.071 311.786 312.500 313.214 313.929 314.643 315.357 316.071 316.786 317.500 318.750 320.000 320.000 320.833 321.667 322.500 322.500 325.000 325.000 325.000 327.500 327.500 327.500 330.000 330.000 330.000
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
63 0 0 63 63 63 63 63 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 87 0 84 84 0 0 84 84 81 81 72 69 72 72 69 69 81
</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 -10.9375 1.5625 1.5625 -1.5625 -7.8125 -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="427">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 146.37933 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 182.75867 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 219.138 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 287.348 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0
</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 0.35321164 0.35257575 0.35171902 0.350793 0.3495781 0.34822693 0.34667084 0.34491625 0.3430411 0.34091085 0.3385371 0.3360004 0.33324456 0.3302843 0.32713532 0.32375208 0.3200963 0.3161967 0.3120833 0.3076777 0.30302462 0.29806957 0.29285005 0.28727362 0.28135026 0.2750345 0.26840302 0.26128885 0.25377735 0.24571602 0.2371889 0.22800063 0.21821135 0.20771848 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 0.2 0.2 0.20102161 0.20525478 0.20948794 0.21372113 0.2179543 0.22218747 0.22642064 0.23065381 0.23488699 0.23912016 0.24335334 0.2475865 0.25181967 0.25605285 0.26028603 0.26451918 0.26875237 0.27298555 0.2772187 0.28145188 0.28568506 0.28991824 0.2941514 0.29838458 0.30261776 0.3068509 0.3110841 0.31531727 0.31955045 0.3237836 0.3280168 0.33224997 0.33648312 0.3407163 0.34494948 0.34918264 0.35341582 0.354 0.38137054 0.41020536 0.43807164 0.46596557 0.49444538 0.5239282 0.55472445 0.58712417 0.6213725 0.65768725 0.6962519 0.7371986 0.7805914 0.82641274 0.8745622 0.9248249 0.97692364 1.0305364 1.0852932 1.1408523 1.1969017 1.253186 1.3094761 1.3656219 1.4215099 1.4770511 1.5322212 1.5869792 1.6413335 1.6952891 1.748863 1.8020966 1.855002 1.9076141 1.9599863 2.012128 2.0641055 2.115927 2.1676455 2.2193043 2.2709255 2.3225477 2.3742223 2.4259667 2.4778352 2.5298603 2.582071 2.6345193 2.6872294 2.7402532 2.7936115 2.8473668 2.9015312 2.9561636 3.0112808 3.0669012 3.1230662 3.1797535 3.236944 3.294535 3.352392 3.4101834 3.4673686 3.5229452 3.5751677 3.6210256 3.6558204 3.67367 3.675 3.6743186 3.670687 3.664047 3.6545384 3.6423016 3.6274765 3.6102028 3.5906186 3.56886 3.545061 3.5193532 3.4918642 3.4627194 3.43204 3.3999436 3.3665438 3.3319502 3.2962685 3.2596 3.222042 3.1836874 3.144625 3.1049395 3.0647113 3.024017 2.9829297 2.9415174 2.8998454 2.857975 2.815964 2.7738664 2.7317333 2.6896129 2.6475492 2.6055844 2.5637574 2.522104 2.4806583 2.4394512 2.3985112 2.357865 2.3175373 2.2775497 2.2379231 2.1986759 2.1598248 2.121385 2.0833707 2.0457935 2.0086644 1.971993 1.9357876 1.9000554 1.8648025 1.8300341 1.7957543 1.7619665 1.7286731 1.695876 1.6635761 1.6317738 1.6004689 1.5696605 1.5393474 1.5095278 1.4801993 1.4513594 1.423005 1.3951327 1.3677387 1.3408191 1.3143697 1.2883859 1.262863 1.2377962 1.2131804 1.1890104 1.1652807 1.1419859 1.1191206 1.0966789 1.074655 1.0530435 1.0318382 1.0110333 0.9906229 0.97060096 0.9509617 0.93169916 0.9128072 0.89428014 0.87611187 0.8582965 0.8408283 0.8237014 0.8069099 0.7904482 0.77431047 0.75849116 0.7429846 0.7277852 0.71288764 0.6982864 0.68397605 0.6699514 0.65620714 0.64273816 0.6295393 0.6166056 0.60393196 0.59151363 0.57934576 0.5674236 0.5557424 0.54429764 0.53308475 0.52209926 0.51133674 0.500793 0.49046364 0.48034453 0.47043163 0.4607208 0.4512081 0.4418897 0.43276167 0.4238203 0.41506186 0.40648273 0.39807934 0.38984817 0.38178584 0.3738889 0.36615407 0.35857812 0.3511578 0.34389004 0.33677173 0.3297999 0.3229715 0.3162837 0.30973366 0.30331856 0.29703566 0.2908823 0.2848558 0.27895364 0.27317327 0.2675122 0.261968 0.25653824 0.25122064 0.24601291 0.24091277 0.23591803 0.23102655 0.2262362 0.22154489 0.21695061 0.21245137 0.2080452 0.20373021 0.19950451 0.19536628 0.1913137 0.18734503 0.18345854 0.17965251 0.17592531 0.17227532 0.16870093 0.16520059 0.16177277 0.15841597 0.15512875 0.15190963 0.14875725 0.1456702 0.14264715 0.13968675 0.13678773 0.13394882 0.13116877 0.12844637 0.12578042 0.12316976 0.12061323 0.11810973 0.115658164 0.11325744 0.11090651 0.10860435 0.10634995 0.104142316 0.101980485 0.0998635 0.09779044 0.09576039 0.09377247 0.09182579 0.08991951 0.08805278 0.086224794 0.08443474 0.082681835 0.0809653 0.0792844 0.07763838 0.07602652 0.074448116 0.07290247 0.07138891 0.06990676 0.068455376 0.06703412 0.06564236 0.06427949 0.06294491 0.06163803 0.060358282 0.059105102 0.05787793 0.05667624 0.05549949 0.05434717 0.05321877 0.052113798 0.051031765

</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="3.675" PeakHeight="287.348" Num="5" zHalfNm="266.316" Error="1.685">
-59.83 -15.001 10.153 -5.134 1.602
</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="6516.379" A="-1.14895618E11" B="3.5461612E7" C="-2736.11" Error="0.00175"/>
<QuasiParabolic ID="2" StartDistance="6516.379" EndDistance="6552.759" A="0.0" B="-653.61163" C="0.14033985" Error="0.0148"/>
<QuasiParabolic ID="3" StartDistance="6552.759" EndDistance="6554.0" A="5.9883211E12" B="-1.82749235E9" C="139426.78" Error="0.0"/>
<QuasiParabolic ID="4" StartDistance="6554.0" EndDistance="6586.0" A="-1.82424146E10" B="5453462.0" C="-407.35516" Error="0.0774"/>
<QuasiParabolic ID="5" StartDistance="6586.0" EndDistance="6597.0" A="3.24730513E12" B="-9.8620992E8" C="74878.35" Error="0.0757"/>
<QuasiParabolic ID="6" StartDistance="6597.0" EndDistance="6652.0" A="6.05801E12" B="-1.83832602E9" C="139461.95" Error="0.0441"/>
<QuasiParabolic ID="7" StartDistance="6652.0" EndDistance="6655.0" A="-1.42824513E13" B="4.27726669E9" C="-320218.78" Error="0.00146"/>
<QuasiParabolic ID="8" StartDistance="6655.0" EndDistance="6657.348" A="-1.41330798E14" B="4.2458587E10" C="-3188838.0" Error="7.34E-4"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="109.138" Depth="0.154"/>
<TopsideChapman PeakHeight="287.348" PeakDensity="167563.58" PeakScaleHeight="14.893" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
