<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-06 -096 07:15:00.000"
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" >
2026.04.06 (096) 07:15:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202609604060715001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.950" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.816" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="18.887" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.400" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.400" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.325" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="217.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="217.500" 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="4.775" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="261.164" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.400" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.400" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="233.940" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="213.830" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.892" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="28.750" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.953" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="15.369" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="26.240" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.910" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="103">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.4 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 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 4.025 4.05 4.075 4.1 4.125 4.15 4.175 4.2 4.225 4.25 4.275 4.3 4.325 4.35 4.375 4.4 4.425 4.45 4.475 4.5 4.525 4.55 4.575 4.6 4.625 4.65 4.675 4.7 4.725 4.75 4.775 4.8 4.825 4.85 4.875 4.9 4.925 4.95
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 222.500 222.500 222.500 222.500 222.500 222.500 222.500 225.000 225.000 225.000 225.000 225.000 225.000 225.000 225.000 225.000 225.000 225.000 227.500 227.500 227.500 227.500 227.500 227.500 227.500 227.500 227.500 227.500 230.000 230.000 230.000 230.000 230.000 230.000 232.500 232.500 232.500 232.500 235.000 235.000 235.000 235.000 235.000 235.000 237.500 237.500 237.500 237.500 240.000 240.000 240.000 240.000 242.500 242.500 242.500 242.500 245.000 245.000 245.000 245.000 247.500 250.000 250.000 250.000 252.500 252.500 253.470 254.577 255.851 257.332 259.078 261.164 263.701 266.853 270.876 276.186 283.521 294.311 311.748
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
63 63 63 66 63 66 63 66 63 63 66 60 63 63 63 63 63 39 0 0 0 0 0 63 63 78 81 90 90 93 93 90 90 96 96 96 96 96 93 108 105 93 93 78 78 66 66 78 75 75 72 75 78 66 66 63 60 72 72 90 90 99 99 78 78 105 102 102 105 105 108 108 105 96 96 96 93 96 96 93 90 66 60 57 63 87 90 102 99 99 99 87 87 81 78 81 84 63 60 93 93 54 54
</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 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 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="396">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 135.08333 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 160.16667 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 185.25 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 233.94 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0
</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 0.353812 0.35324875 0.35231337 0.35101187 0.34927908 0.3471288 0.34465033 0.34171918 0.33843222 0.33468077 0.33043912 0.32582152 0.32063016 0.31500506 0.30879995 0.30202654 0.29470333 0.28661102 0.27785686 0.26831484 0.25787413 0.24648583 0.23391104 0.2201678 0.20492378 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 0.20511627 0.21125582 0.21739535 0.22353488 0.22967441 0.23581396 0.24195349 0.24809302 0.25423256 0.2603721 0.26651162 0.27265117 0.2787907 0.28493023 0.29106978 0.2972093 0.30334884 0.3094884 0.3156279 0.32176745 0.32790697 0.3340465 0.34018606 0.34632558 0.35246512 0.354 0.38430467 0.4288654 0.47779447 0.53068084 0.5872575 0.6474036 0.71115214 0.7786292 0.8500923 0.925852 1.0062908 1.0918764 1.1830959 1.2805074 1.3846806 1.4962056 1.6156782 1.7435338 1.8801619 2.0256064 2.1795993 2.3412933 2.5093532 2.6818547 2.8564234 3.0305262 3.2016609 3.3675952 3.5266662 3.6775653 3.8195724 3.952286 4.0755386 4.1894364 4.2941856 4.3900323 4.477322 4.556328 4.627378 4.6907544 4.746721 4.7955117 4.83734 4.872374 4.900778 4.922658 4.9381146 4.9472127 4.95 4.9499927 4.947734 4.9415603 4.931642 4.9181514 4.90126 4.8811398 4.8579607 4.8318925 4.803101 4.7717505 4.7380013 4.7020097 4.6639295 4.6239085 4.5820913 4.5386176 4.493622 4.447234 4.3995795 4.350777 4.300943 4.250187 4.1986136 4.146323 4.0934114 4.039969 3.9860818 3.9318314 3.8772948 3.8225448 3.7676501 3.7126756 3.6576817 3.6027257 3.5478609 3.4931371 3.4386015 3.384297 3.3302643 3.2765408 3.223161 3.1701572 3.117559 3.0653934 3.0136852 2.9624572 2.91173 2.8615222 2.8118508 2.762731 2.714176 2.666198 2.6188073 2.5720131 2.525823 2.4802442 2.4352818 2.39094 2.3472226 2.304132 2.2616699 2.219837 2.1786335 2.1380587 2.0981112 2.0587893 2.0200906 1.982012 1.9445503 1.9077015 1.8714614 1.8358253 1.8007883 1.766345 1.7324902 1.6992178 1.6665218 1.6343962 1.6028343 1.5718298 1.5413759 1.5114658 1.4820924 1.453249 1.4249282 1.397123 1.3698261 1.3430303 1.3167285 1.2909131 1.2655771 1.2407129 1.2163135 1.1923715 1.1688796 1.1458308 1.1232178 1.1010334 1.0792707 1.0579225 1.0369819 1.0164422 0.99629617 0.9765372 0.9571587 0.9381539 0.91951627 0.9012393 0.8833166 0.8657418 0.8485087 0.83161116 0.81504303 0.7987983 0.7828711 0.76725566 0.75194603 0.73693675 0.7222221 0.7077967 0.693655 0.6797918 0.66620183 0.6528799 0.639821 0.62702 0.6144722 0.6021726 0.59011656 0.57829934 0.56671643 0.5553633 0.54423547 0.53332865 0.5226386 0.5121611 0.5018919 0.49182713 0.4819627 0.4722948 0.46281952 0.45353314 0.44443193 0.4355123 0.4267707 0.41820356 0.40980753 0.40157923 0.39351535 0.38561267 0.37786797 0.37027815 0.36284018 0.35555103 0.34840778 0.3414075 0.3345474 0.32782468 0.32123664 0.31478056 0.3084539 0.302254 0.2961784 0.2902246 0.28439018 0.27867278 0.27307007 0.26757973 0.26219955 0.25692734 0.25176093 0.24669822 0.24173713 0.23687564 0.23211175 0.22744352 0.22286902 0.21838641 0.21399382 0.20968947 0.20547158 0.20133843 0.19728832 0.19331959 0.18943061 0.18561979 0.18188554 0.17822634 0.1746407 0.17112713 0.16768418 0.16431044 0.16100453 0.15776509 0.15459077 0.15148029 0.14843233 0.14544567 0.14251907 0.13965133 0.13684125 0.13408768 0.1313895 0.12874559 0.12615484 0.12361621 0.12112864 0.1186911 0.1163026 0.11396214 0.11166877 0.10942153 0.1072195 0.10506177 0.10294744 0.10087565 0.09884555 0.09685629 0.09490705 0.09299703 0.091125436 0.089291506 0.08749447 0.08573359 0.08400815 0.08231742 0.080660716 0.079037346 0.07744664 0.07588795 0.07436062 0.07286402 0.07139754 0.06996057 0.06855252 0.067172796 0.06582084 0.0644961 0.063198015 0.06192605 0.06067968 0.0594584 0.058261693 0.05708907 0.055940047 0.05481415 0.053710908 0.05262987 0.051570587 0.050532624

</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="4.95" PeakHeight="233.94" Num="5" zHalfNm="213.83" Error="0.311">
-52.237 6.015 -3.852 1.813 -0.429
</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="6505.083" A="-2.40913678E11" B="7.4356072E7" C="-5737.226" Error="0.00142"/>
<QuasiParabolic ID="2" StartDistance="6505.083" EndDistance="6530.167" A="0.0" B="397.7321" C="-0.02112881" Error="0.00555"/>
<QuasiParabolic ID="3" StartDistance="6530.167" EndDistance="6553.0" A="6.3573537E10" B="-1.957914E7" C="1507.4711" Error="0.00555"/>
<QuasiParabolic ID="4" StartDistance="6553.0" EndDistance="6554.0" A="-2.00032793E12" B="6.1033126E8" C="-46555.28" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6554.0" EndDistance="6557.0" A="1.17539435E13" B="-3.58688307E9" C="273647.22" Error="0.0227"/>
<QuasiParabolic ID="6" StartDistance="6557.0" EndDistance="6565.0" A="1.03324917E13" B="-3.15331533E9" C="240585.78" Error="0.0316"/>
<QuasiParabolic ID="7" StartDistance="6565.0" EndDistance="6572.0" A="3.3126139E13" B="-1.00973056E10" C="769450.2" Error="0.0167"/>
<QuasiParabolic ID="8" StartDistance="6572.0" EndDistance="6584.0" A="6.6654281E13" B="-2.03006362E10" C="1545723.1" Error="0.0293"/>
<QuasiParabolic ID="9" StartDistance="6584.0" EndDistance="6603.94" A="-5.8094244E13" B="1.7593813E10" C="-1332044.9" Error="0.0123"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="75.25" Depth="0.154"/>
<TopsideChapman PeakHeight="233.94" PeakDensity="304001.25" PeakScaleHeight="15.369" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
