<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-25 -084 07:00:00.000"
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 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" >
2026.03.25 (084) 07:00:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.18" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202608403250700001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.525" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.596" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.676" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.425" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.425" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.775" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="255.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="255.000" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.425" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="293.685" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.425" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.425" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="261.094" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="241.043" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.132" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="28.718" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.004" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="15.223" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="27.840" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.340" 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" >
2.425 2.45 2.475 2.5 2.525 2.55 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
255.000 255.000 255.000 255.625 256.250 256.875 257.500 257.500 260.000 260.000 260.000 262.500 262.500 262.500 262.500 265.000 265.000 265.000 265.000 266.000 267.000 268.000 269.000 270.000 270.000 270.000 271.250 272.500 272.500 275.000 277.500 277.500 277.500 280.000 280.000 281.250 282.670 284.431 286.673 289.624 293.685 299.625 309.141 326.853 371.366
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 0 72 0 0 0 75 75 75 78 78 75 75 78 63 63 51 51 57 0 0 0 0 69 90 90 0 93 93 0 90 96 96 93 93 0 90 84 84 0 0 0 0 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 7.8125 1.5625 -1.5625 7.8125 10.9375
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="404">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 143.83333 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 177.66667 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 211.5 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 261.094 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0
</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 0.35354906 0.35306174 0.35235173 0.35142186 0.35027584 0.34891838 0.3472823 0.34552038 0.3434953 0.34128824 0.33877015 0.3360937 0.33313656 0.32991865 0.32646134 0.32272556 0.31874058 0.31447914 0.30992344 0.30501232 0.29980785 0.29430088 0.288361 0.2820187 0.27533066 0.26815805 0.26053688 0.25234902 0.24358158 0.23417579 0.22406323 0.21320657 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 0.20151724 0.20606896 0.21062069 0.21517241 0.21972413 0.22427586 0.22882758 0.2333793 0.23793103 0.24248275 0.24703449 0.2515862 0.25613794 0.26068965 0.26524138 0.2697931 0.27434483 0.27889654 0.28344828 0.288 0.29255173 0.29710343 0.30165517 0.30620688 0.31075862 0.31531036 0.31986207 0.3244138 0.3289655 0.33351725 0.33806896 0.3426207 0.3471724 0.35172415 0.354 0.37062046 0.40591326 0.44386905 0.48441893 0.52751464 0.5731326 0.6212936 0.6720363 0.7254401 0.7815821 0.84056455 0.9024877 0.9674743 1.0356115 1.1070044 1.1816998 1.2597728 1.3411897 1.4259117 1.5138328 1.6047612 1.6984057 1.7944514 1.8924443 1.991851 2.0920942 2.1925392 2.2925105 2.3913562 2.4883983 2.5830488 2.674749 2.7629967 2.847364 2.9274983 3.003125 3.0739973 3.1399658 3.2008677 3.2566273 3.3071847 3.3524854 3.3925183 3.427272 3.4567354 3.4809222 3.4998324 3.513473 3.5218544 3.5249767 3.525 3.5237958 3.5197456 3.5129607 3.5035665 3.4916897 3.4774556 3.4609897 3.4424157 3.421856 3.3994303 3.3752568 3.3494506 3.3221235 3.2933848 3.26334 3.2320917 3.1997385 3.1663756 3.1320946 3.0969834 3.061126 3.0246027 2.9874907 2.949863 2.9117892 2.8733356 2.834565 2.7955365 2.7563064 2.716928 2.677451 2.637922 2.5983858 2.5588834 2.5194538 2.4801328 2.4409544 2.40195 2.3631485 2.324577 2.2862608 2.2482228 2.210484 2.173064 2.1359808 2.0992503 2.0628872 2.026905 1.9913157 1.9561299 1.9213569 1.8870054 1.8530827 1.819595 1.7865478 1.7539456 1.7217921 1.6900904 1.6588426 1.6280502 1.5977144 1.5678355 1.538413 1.5094467 1.4809352 1.452877 1.4252702 1.3981123 1.3714007 1.3451326 1.3193045 1.2939129 1.2689543 1.2444245 1.2203193 1.1966345 1.1733656 1.1505079 1.1280566 1.106007 1.0843539 1.0630925 1.0422175 1.0217237 1.0016061 0.98185915 0.9624777 0.9434564 0.9247899 0.90647286 0.8884999 0.8708658 0.85356516 0.8365926 0.8199429 0.80361086 0.78759116 0.7718786 0.75646806 0.74135447 0.72653264 0.7119977 0.6977445 0.6837682 0.670064 0.65662694 0.64345235 0.6305355 0.6178717 0.6054565 0.5932852 0.5813534 0.5696567 0.5581909 0.5469515 0.5359343 0.52513534 0.5145504 0.50417536 0.49400645 0.48403963 0.47427112 0.46469712 0.45531392 0.44611785 0.43710536 0.42827284 0.4196169 0.4111341 0.40282106 0.3946745 0.38669118 0.37886792 0.37120163 0.36368918 0.3563276 0.3491139 0.34204522 0.33511868 0.32833147 0.32168084 0.31516415 0.30877867 0.30252185 0.29639116 0.29038405 0.2844981 0.27873087 0.27308002 0.26754326 0.26211828 0.25680286 0.2515948 0.24649198 0.2414923 0.23659368 0.2317941 0.22709158 0.22248417 0.21796998 0.21354713 0.20921378 0.20496814 0.20080844 0.19673297 0.19274002 0.18882795 0.1849951 0.1812399 0.17756079 0.17395622 0.1704247 0.16696475 0.16357493 0.16025382 0.15700005 0.15381224 0.15068908 0.14762925 0.14463146 0.14169447 0.13881706 0.13599801 0.13323615 0.13053033 0.1278794 0.12528224 0.1227378 0.12024499 0.11780276 0.11541009 0.11306599 0.11076946 0.10851954 0.106315285 0.10415578 0.10204011 0.09996739 0.09793675 0.09594733 0.093998305 0.09208885 0.090218164 0.088385455 0.08658997 0.08483093 0.08310762 0.081419304 0.07976527 0.078144826 0.076557286 0.07500199 0.07347828 0.07198551 0.07052307 0.06909032 0.06768668 0.06631154 0.06496433 0.06364449 0.062351458 0.061084688 0.05984365 0.058627818 0.057436682 0.056269746 0.05512651 0.0540065 0.05290924 0.05183427 0.050781135

</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="3.525" PeakHeight="261.094" Num="5" zHalfNm="241.043" Error="0.512">
-50.827 2.227 -1.561 0.737 -0.17
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" 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="6513.833" A="-1.32737196E11" B="4.0968268E7" C="-3161.0066" Error="0.00168"/>
<QuasiParabolic ID="2" StartDistance="6513.833" EndDistance="6547.667" A="0.0" B="1500.7505" C="-0.190359" Error="0.0289"/>
<QuasiParabolic ID="3" StartDistance="6547.667" EndDistance="6576.0" A="1.61164462E10" B="-5017246.5" C="390.38303" Error="0.0289"/>
<QuasiParabolic ID="4" StartDistance="6576.0" EndDistance="6581.0" A="6.0456495E11" B="-1.8398576E8" C="13998.086" Error="0.0274"/>
<QuasiParabolic ID="5" StartDistance="6581.0" EndDistance="6594.0" A="8.2262748E12" B="-2.50026291E9" C="189980.25" Error="0.0533"/>
<QuasiParabolic ID="6" StartDistance="6594.0" EndDistance="6615.0" A="1.96723364E13" B="-5.9719224E9" C="453224.06" Error="0.0386"/>
<QuasiParabolic ID="7" StartDistance="6615.0" EndDistance="6631.094" A="-3.28782263E13" B="9.9163812E9" C="-747705.9" Error="0.0133"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="101.5" Depth="0.154"/>
<TopsideChapman PeakHeight="261.094" PeakDensity="154164.08" PeakScaleHeight="15.223" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
