<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-14 -104 05:00:00.000"
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" >
2026.04.14 (104) 05:00:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202610404140500001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.875" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.828" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.833" 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="4.225" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="215.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="215.000" 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="3.750" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="260.000" 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="228.974" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="208.956" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.384" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="28.558" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.201" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="15.395" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="25.690" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.120" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="59">
<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 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
215.000 215.714 216.429 217.143 217.857 218.571 219.286 220.000 220.000 220.000 220.000 220.000 220.000 220.000 221.250 222.500 222.500 222.500 222.917 223.333 223.750 224.167 224.583 225.000 225.000 225.000 227.500 227.500 227.500 227.500 230.000 232.500 232.500 232.500 232.500 232.500 232.500 233.750 235.000 237.500 237.500 240.000 240.000 240.000 242.500 245.000 245.000 247.500 247.500 250.000 252.500 255.000 257.500 260.000 265.000 270.000 280.000 295.030 323.447
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
78 0 0 0 0 0 0 66 66 0 66 72 72 69 0 57 42 45 0 0 0 0 0 69 93 90 93 96 96 93 96 90 87 87 90 87 84 87 114 114 102 99 99 96 93 90 93 93 93 96 87 90 87 84 93 93 93 87 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
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 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 -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="378">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 134.5 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 183.5 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 228.974 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0
</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 0.35317364 0.35223874 0.35086352 0.34905878 0.3468389 0.3442219 0.3411586 0.33767787 0.33367795 0.32927206 0.3243802 0.3189446 0.3129916 0.30645373 0.29930657 0.29149976 0.28296635 0.27368933 0.26350668 0.2523124 0.24007721 0.22657463 0.21160045 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 0.20628572 0.21257143 0.21885714 0.22514285 0.23142858 0.23771429 0.244 0.2502857 0.25657144 0.26285714 0.26914287 0.27542856 0.2817143 0.288 0.2942857 0.30057144 0.30685714 0.31314287 0.31942856 0.3257143 0.332 0.3382857 0.34457144 0.35085714 0.354 0.37101105 0.4094803 0.4538331 0.50356936 0.5579392 0.6162722 0.6781416 0.7433607 0.81199193 0.8842369 0.960448 1.0410545 1.1265235 1.217446 1.3143833 1.4178847 1.5284879 1.646501 1.7719425 1.9043623 2.0427122 2.1851609 2.3293757 2.47258 2.612103 2.7457616 2.8719256 2.9896264 3.0985148 3.1985137 3.289908 3.3730435 3.4483495 3.5162895 3.577286 3.6317265 3.6799757 3.7223516 3.7591162 3.7905238 3.8167577 3.8379905 3.8543448 3.8659217 3.872793 3.875 3.8749988 3.8733428 3.8686275 3.860986 3.8505518 3.837459 3.8218415 3.8038318 3.7835617 3.761161 3.7367578 3.7104764 3.6824396 3.6527665 3.621573 3.5889719 3.5550718 3.519978 3.4837918 3.446611 3.408529 3.3696358 3.3300176 3.289756 3.2489295 3.207613 3.1658769 3.1237886 3.081412 3.0388076 2.996032 2.953139 2.9101796 2.867201 2.824248 2.7813625 2.7385838 2.6959484 2.65349 2.6112406 2.5692296 2.5274844 2.4860299 2.4448895 2.4040844 2.3636343 2.323557 2.2838683 2.2445836 2.205716 2.167277 2.129278 2.0917277 2.0546348 2.0180066 1.9818491 1.9461676 1.9109665 1.8762494 1.8420191 1.8082775 1.7750261 1.7422656 1.7099961 1.6782173 1.6469281 1.6161271 1.5858128 1.5559826 1.526634 1.4977641 1.4693696 1.4414469 1.4139923 1.3870016 1.3604707 1.3343948 1.3087695 1.28359 1.2588512 1.234548 1.2106752 1.1872277 1.1642 1.1415864 1.1193818 1.0975804 1.0761765 1.0551648 1.0345392 1.0142944 0.9944245 0.97492397 0.955787 0.937008 0.9185813 0.9005013 0.88276243 0.8653591 0.8482858 0.83153707 0.8151074 0.7989915 0.783184 0.7676795 0.75247294 0.73755896 0.7229326 0.70858866 0.69452226 0.6807283 0.66720206 0.65393865 0.6409333 0.6281813 0.6156781 0.60341907 0.5913997 0.5796157 0.56806254 0.55673605 0.545632 0.5347461 0.5240744 0.51361275 0.5033573 0.493304 0.48344916 0.47378895 0.46431962 0.45503756 0.44593918 0.437021 0.42827946 0.41971123 0.41131294 0.40308133 0.39501315 0.38710523 0.37935448 0.37175784 0.3643123 0.35701492 0.34986278 0.3428531 0.33598307 0.32924992 0.32265103 0.3161837 0.3098454 0.30363354 0.29754567 0.29157937 0.28573218 0.2800018 0.2743859 0.26888222 0.26348856 0.25820273 0.25302258 0.24794605 0.24297108 0.23809564 0.23331776 0.2286355 0.22404699 0.21955033 0.21514371 0.21082534 0.20659345 0.20244634 0.19838232 0.19439973 0.19049694 0.18667237 0.18292445 0.17925166 0.1756525 0.1721255 0.16866922 0.16528225 0.1619632 0.15871072 0.15552346 0.15240015 0.14933948 0.14634022 0.14340113 0.14052102 0.1376987 0.134933 0.1322228 0.12956701 0.12696451 0.124414235 0.121915154 0.11946624 0.11706648 0.11471489 0.112410516 0.11015239 0.107939616 0.10577126 0.10364644 0.10156428 0.09952393 0.09752455 0.09556533 0.09364543 0.0917641 0.08992054 0.088114016 0.086343765 0.08460907 0.082909204 0.081243485 0.07961123 0.07801174 0.07644439 0.07490852 0.07340349 0.0719287 0.07048353 0.06906739 0.067679696 0.066319875 0.06498738 0.06368164 0.062402133 0.06114833 0.059919715 0.05871578 0.057536032 0.056379985 0.05524716 0.054137096 0.053049333 0.051983424 0.050938927

</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="3.875" PeakHeight="228.974" Num="5" zHalfNm="208.956" Error="0.642">
-49.553 6.918 -4.193 1.92 -0.566
</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="6504.5" A="-2.52482355E11" B="7.7926656E7" C="-6012.734" Error="0.00135"/>
<QuasiParabolic ID="2" StartDistance="6504.5" EndDistance="6529.0" A="0.0" B="115.73531" C="0.02221576" Error="0.00145"/>
<QuasiParabolic ID="3" StartDistance="6529.0" EndDistance="6551.0" A="7.0710985E10" B="-2.1768802E7" C="1675.4127" Error="0.00145"/>
<QuasiParabolic ID="4" StartDistance="6551.0" EndDistance="6553.0" A="1.36784249E12" B="-4.1777904E8" C="31900.588" Error="0.00455"/>
<QuasiParabolic ID="5" StartDistance="6553.0" EndDistance="6563.0" A="1.074037E13" B="-3.27830938E9" C="250161.72" Error="0.0308"/>
<QuasiParabolic ID="6" StartDistance="6563.0" EndDistance="6571.0" A="2.83913046E13" B="-8.6572319E9" C="659953.1" Error="0.0277"/>
<QuasiParabolic ID="7" StartDistance="6571.0" EndDistance="6578.0" A="5.6339091E13" B="-1.71636337E10" C="1307221.6" Error="0.0185"/>
<QuasiParabolic ID="8" StartDistance="6578.0" EndDistance="6598.974" A="-3.5270783E13" B="1.06897777E10" C="-809942.56" Error="0.00615"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="73.5" Depth="0.154"/>
<TopsideChapman PeakHeight="228.974" PeakDensity="186298.08" PeakScaleHeight="15.395" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
