<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-06-03 -154 00:15:00.000"
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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 40% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, F2 cusps do not match, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.06.03 (154) 00:15:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.23" 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">
FF202615406030015001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="23" >
<URSI ID="00" Val="4.175" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.801" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="15.870" 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="16" Val="220.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="220.000" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.925" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="250.000" 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="232.002" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="212.866" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.791" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="27.297" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.335" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="14.757" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="24.370" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.180" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="49">
<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 4.025 4.05 4.075 4.1 4.125 4.15 4.175
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
220.000 220.000 220.000 220.000 222.500 222.500 222.500 222.500 222.500 225.000 225.000 225.000 225.000 225.000 227.500 227.500 227.500 227.500 230.000 230.000 230.000 230.000 232.500 232.500 232.500 235.000 235.000 235.000 237.500 237.500 238.750 240.000 242.500 245.000 245.000 247.500 250.000 250.000 250.000 255.000 257.500 262.500 262.500 265.413 269.422 275.288 284.691 302.212 346.350
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
72 72 84 84 99 99 90 87 99 96 102 99 99 96 93 96 87 84 93 96 87 84 84 87 84 84 84 78 78 72 0 60 60 54 84 87 81 78 93 96 66 69 87 90 81 87 93 99 93
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="375">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 135.66667 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 161.33333 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 232.002 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0
</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 0.3523882 0.35108605 0.34949994 0.34749252 0.3450799 0.34228173 0.3391207 0.33555436 0.33154994 0.32708573 0.3222145 0.31684378 0.31099588 0.3045735 0.29760364 0.290026 0.28171796 0.27274016 0.2629728 0.2523031 0.24063194 0.22781542 0.21374473 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 0.204 0.21 0.216 0.222 0.228 0.234 0.24 0.246 0.252 0.258 0.264 0.27 0.276 0.282 0.288 0.294 0.3 0.306 0.312 0.318 0.324 0.33 0.336 0.342 0.348 0.354 0.39181733 0.4352856 0.48380384 0.5365646 0.59290856 0.65243834 0.71503025 0.78077316 0.8499152 0.9228366 1.000002 1.0819495 1.169357 1.2629622 1.3635833 1.4721174 1.5894116 1.7163318 1.8533413 2.0004642 2.1568122 2.3202724 2.4876156 2.6546907 2.8174253 2.9723938 3.1173246 3.2510188 3.3732276 3.4841416 3.5843718 3.6745305 3.755371 3.8275204 3.8915913 3.948138 3.9976118 4.0404162 4.0768876 4.1073055 4.1318974 4.150847 4.16429 4.172322 4.174995 4.175 4.1731615 4.167739 4.1588936 4.14679 4.1315913 4.1134615 4.0925627 4.069055 4.0430975 4.0148444 3.9844477 3.9520557 3.917812 3.8818567 3.8443246 3.8053467 3.7650483 3.7235503 3.6809688 3.6374145 3.5929935 3.5478072 3.5019515 3.455518 3.4085934 3.3612602 3.3135955 3.2656732 3.2175617 3.1693268 3.121029 3.0727253 3.0244696 2.9763117 2.9282982 2.8804722 2.832874 2.785541 2.7385075 2.6918051 2.6454632 2.599508 2.5539646 2.5088546 2.4641986 2.4200144 2.3763187 2.333126 2.2904494 2.2483 2.2066882 2.1656225 2.1251104 2.0851576 2.04577 2.0069506 1.9687034 1.9310299 1.8939317 1.8574094 1.8214625 1.7860905 1.7512915 1.7170638 1.6834044 1.6503106 1.6177788 1.5858048 1.5543846 1.5235133 1.4931861 1.4633976 1.4341425 1.4054149 1.3772091 1.3495188 1.3223376 1.2956595 1.2694777 1.2437856 1.2185767 1.193844 1.1695807 1.14578 1.1224349 1.0995384 1.0770838 1.055064 1.033472 1.012301 0.9915439 0.971194 0.9512445 0.9316884 0.91251916 0.89373 0.8753142 0.8572652 0.83957654 0.8222417 0.80525434 0.78860813 0.7722968 0.75631416 0.74065423 0.72531086 0.7102783 0.69555044 0.68112177 0.6669864 0.65313894 0.6395737 0.6262853 0.61326844 0.60051775 0.5880282 0.5757945 0.56381184 0.5520752 0.54057974 0.52932066 0.5182933 0.50749314 0.49691555 0.48655617 0.4764106 0.46647456 0.45674387 0.44721437 0.43788204 0.4287429 0.419793 0.4110286 0.40244588 0.39404115 0.3858108 0.37775132 0.36985916 0.36213097 0.3545634 0.3471531 0.33989692 0.33279166 0.32583424 0.31902167 0.3123509 0.30581906 0.29942328 0.29316077 0.28702876 0.2810246 0.2751456 0.2693892 0.26375288 0.25823414 0.25283056 0.24753974 0.24235937 0.23728713 0.23232082 0.22745821 0.22269715 0.21803555 0.21347132 0.20900248 0.204627 0.20034298 0.1961485 0.19204168 0.18802072 0.18408383 0.18022926 0.1764553 0.17276025 0.16914248 0.1656004 0.1621324 0.15873694 0.15541252 0.15215766 0.14897089 0.1458508 0.14279602 0.13980515 0.13687688 0.1340099 0.13120292 0.1284547 0.125764 0.12312963 0.1205504 0.11802517 0.115552805 0.1131322 0.110762276 0.10844198 0.10617026 0.103946105 0.10176852 0.09963655 0.097549215 0.09550559 0.093504764 0.091545835 0.08962794 0.087750204 0.0859118 0.0841119 0.082349695 0.080624394 0.078935236 0.07728146 0.07566232 0.0740771 0.072525084 0.071005575 0.069517896 0.068061374 0.06663537 0.065239236 0.06387235 0.062534094 0.061223876 0.059941106 0.05868521 0.057455618 0.05625179 0.05507318 0.053919263 0.05278952 0.051683445 0.050600544

</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="4.175" PeakHeight="232.002" Num="5" zHalfNm="212.866" Error="1.138">
-48.457 6.338 -4.519 2.243 -0.607
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="18" 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="6505.667" A="-2.30120505E11" B="7.1024848E7" C="-5480.187" Error="0.00139"/>
<QuasiParabolic ID="2" StartDistance="6505.667" EndDistance="6531.333" A="0.0" B="1546.8893" C="-0.19776414" Error="0.0231"/>
<QuasiParabolic ID="3" StartDistance="6531.333" EndDistance="6533.0" A="-5.4197391E12" B="1.6591872E9" C="-126984.95" Error="0.0667"/>
<QuasiParabolic ID="4" StartDistance="6533.0" EndDistance="6544.0" A="4.23447658E11" B="-1.29634688E8" C="9921.67" Error="0.0759"/>
<QuasiParabolic ID="5" StartDistance="6544.0" EndDistance="6547.0" A="-9.5008948E11" B="2.90150496E8" C="-22152.383" Error="0.0116"/>
<QuasiParabolic ID="6" StartDistance="6547.0" EndDistance="6548.0" A="2.85936819E12" B="-8.7357568E8" C="66722.38" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6548.0" EndDistance="6549.0" A="-2.7258184E12" B="8.3234573E8" C="-63540.4" Error="8.08E-11"/>
<QuasiParabolic ID="8" StartDistance="6549.0" EndDistance="6550.0" A="2.86119664E12" B="-8.7387354E8" C="66725.234" Error="1.55E-10"/>
<QuasiParabolic ID="9" StartDistance="6550.0" EndDistance="6551.0" A="-2.72741617E12" B="8.3257306E8" C="-63537.863" Error="7.47E-11"/>
<QuasiParabolic ID="10" StartDistance="6551.0" EndDistance="6552.0" A="2.8629842E12" B="-8.7415885E8" C="66727.125" Error="1.44E-10"/>
<QuasiParabolic ID="11" StartDistance="6552.0" EndDistance="6553.0" A="-2.72891799E12" B="8.3277101E8" C="-63533.09" Error="6.93E-11"/>
<QuasiParabolic ID="12" StartDistance="6553.0" EndDistance="6554.0" A="2.86475892E12" B="-8.7444006E8" C="66728.7" Error="1.34E-10"/>
<QuasiParabolic ID="13" StartDistance="6554.0" EndDistance="6555.0" A="-3.43325645E12" B="1.04744448E9" C="-79890.5" Error="0.0"/>
<QuasiParabolic ID="14" StartDistance="6555.0" EndDistance="6558.0" A="6.6722642E12" B="-2.03585702E9" C="155296.5" Error="0.00759"/>
<QuasiParabolic ID="15" StartDistance="6558.0" EndDistance="6571.0" A="1.26348333E13" B="-3.8542679E9" C="293937.16" Error="0.0774"/>
<QuasiParabolic ID="16" StartDistance="6571.0" EndDistance="6582.0" A="6.4036922E13" B="-1.94994012E10" C="1484405.5" Error="0.01"/>
<QuasiParabolic ID="17" StartDistance="6582.0" EndDistance="6602.002" A="-4.4760564E13" B="1.35596943E10" C="-1026920.6" Error="0.00556"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="77.0" Depth="0.154"/>
<TopsideChapman PeakHeight="232.002" PeakDensity="216260.86" PeakScaleHeight="14.757" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
