<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-08 -128 08:10:00.000"
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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 75% PACIFIC flags: Multiple candidates for F2o cusp, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.08 (128) 08:10:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.99" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202612805080810001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.575" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.629" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="9.344" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="2.925" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="232.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="232.500" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="2.375" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="262.886" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="245.160" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="223.223" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.493" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="31.331" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.598" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="16.967" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="28.860" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.950" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="24">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.0 2.025 2.05 2.075 2.1 2.125 2.15 2.175 2.2 2.225 2.25 2.275 2.3 2.325 2.35 2.375 2.4 2.425 2.45 2.475 2.5 2.525 2.55 2.575
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
232.500 235.000 237.500 237.500 237.500 240.000 242.500 242.500 245.000 246.798 248.783 250.985 253.443 256.203 259.325 262.886 266.984 271.751 277.366 284.077 292.239 302.380 315.320 332.403
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 0 0 60 63 87 84 75 75 63 60 51 51 48 0 54 0 72 75 60 57 60 60 57
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="398">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 138.58333 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 167.16667 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 195.75 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 245.16 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0
</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 0.3533988 0.35268724 0.35168076 0.35038465 0.34873247 0.34680796 0.3446216 0.34204412 0.33923516 0.3360058 0.33251932 0.32860458 0.3243659 0.31978112 0.314722 0.3093164 0.3034716 0.29713094 0.29034886 0.28298154 0.27503994 0.26650268 0.25724816 0.24721296 0.23637795 0.22454801 0.21165071 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 0.2044898 0.20987755 0.2152653 0.22065306 0.22604081 0.23142858 0.23681633 0.24220408 0.24759184 0.2529796 0.25836736 0.2637551 0.26914287 0.27453062 0.27991837 0.28530613 0.29069388 0.29608163 0.3014694 0.30685714 0.3122449 0.31763265 0.3230204 0.32840815 0.3337959 0.3391837 0.34457144 0.3499592 0.354 0.35987142 0.38539055 0.41418228 0.44609866 0.4807677 0.5177801 0.55672026 0.5973023 0.63935435 0.682816 0.7277054 0.7740809 0.8220744 0.8718248 0.92350274 0.9772792 1.0333515 1.0918902 1.1530604 1.2169691 1.2836833 1.3531396 1.4251432 1.4993603 1.5751882 1.6518949 1.728548 1.8041574 1.8777647 1.9485033 2.015726 2.0789704 2.1379693 2.1926181 2.2429366 2.2890148 2.3310118 2.3690903 2.4034317 2.434208 2.4615905 2.4857273 2.5067596 2.5248067 2.5399652 2.5523272 2.5619628 2.5689237 2.5732503 2.5749667 2.575 2.57439 2.57211 2.568203 2.5627353 2.5557735 2.5473838 2.5376327 2.526586 2.5143092 2.5008664 2.486321 2.4707353 2.4541705 2.4366863 2.418341 2.3991911 2.379292 2.3586972 2.3374581 2.3156254 2.2932472 2.2703705 2.2470396 2.223298 2.199187 2.1747465 2.1500144 2.125027 2.099819 2.0744236 2.048872 2.023194 1.9974188 1.9715728 1.9456815 1.9197693 1.8938589 1.8679719 1.8421286 1.8163482 1.7906485 1.7650462 1.7395574 1.7141964 1.6889774 1.6639129 1.6390147 1.614294 1.5897611 1.5654253 1.5412952 1.5173787 1.4936832 1.4702153 1.4469811 1.4239858 1.4012344 1.3787313 1.3564801 1.3344845 1.3127472 1.2912709 1.2700576 1.2491089 1.2284266 1.2080114 1.1878642 1.1679854 1.1483753 1.1290338 1.1099604 1.0911549 1.0726165 1.0543439 1.0363365 1.0185927 1.001111 0.9838901 0.9669281 0.9502232 0.9337734 0.9175767 0.9016309 0.8859338 0.87048304 0.8552763 0.84031105 0.82558477 0.81109494 0.7968389 0.782814 0.76901764 0.755447 0.74209934 0.7289719 0.71606195 0.70336664 0.6908832 0.6786088 0.66654056 0.6546757 0.64301145 0.63154495 0.62027335 0.609194 0.5983039 0.58760047 0.57708085 0.5667423 0.55658215 0.54659766 0.5367861 0.52714485 0.5176713 0.50836277 0.4992167 0.49023053 0.48140168 0.4727277 0.464206 0.4558342 0.44760984 0.43953052 0.43159384 0.4237975 0.41613913 0.40861645 0.40122724 0.3939692 0.38684022 0.37983808 0.37296063 0.36620578 0.35957143 0.35305554 0.3466561 0.3403711 0.3341986 0.32813662 0.32218328 0.31633672 0.3105951 0.30495656 0.2994193 0.29398164 0.28864175 0.28339797 0.2782486 0.27319202 0.26822656 0.26335064 0.25856268 0.25386113 0.24924444 0.24471116 0.24025977 0.23588885 0.23159696 0.22738269 0.22324468 0.21918157 0.215192 0.21127468 0.20742834 0.20365168 0.19994347 0.19630249 0.19272752 0.1892174 0.18577096 0.18238705 0.17906457 0.1758024 0.17259943 0.16945465 0.16636698 0.16333541 0.16035892 0.1574365 0.15456721 0.15175007 0.14898415 0.14626853 0.14360228 0.14098452 0.13841438 0.135891 0.13341354 0.13098115 0.12859301 0.12624834 0.123946354 0.12168627 0.11946733 0.11728879 0.115149915 0.11304999 0.110988304 0.10896417 0.1069769 0.10502583 0.1031103 0.10122966 0.09938329 0.09757056 0.095790856 0.09404358 0.09232815 0.09064399 0.08899051 0.08736717 0.085773416 0.08420871 0.08267253 0.08116435 0.07968367 0.07822998 0.07680279 0.07540162 0.074026 0.07267546 0.07134955 0.07004781 0.068769805 0.06751511 0.06628329 0.065073945 0.06388664 0.062721 0.061576616 0.060453102 0.059350077 0.058267172 0.05720402 0.056160256 0.055135533 0.0541295 0.05314182 0.052172154 0.05122018 0.050285567

</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="2.575" PeakHeight="245.16" Num="5" zHalfNm="223.223" Error="1.881">
-51.899 4.891 -3.581 1.756 -0.577
</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="6508.583" A="-1.85709953E11" B="5.7317888E7" C="-4422.5513" Error="0.00149"/>
<QuasiParabolic ID="2" StartDistance="6508.583" EndDistance="6537.167" A="0.0" B="277.2141" C="-0.002571924" Error="0.00415"/>
<QuasiParabolic ID="3" StartDistance="6537.167" EndDistance="6565.0" A="5.1040219E10" B="-1.5709714E7" C="1208.8229" Error="0.00415"/>
<QuasiParabolic ID="4" StartDistance="6565.0" EndDistance="6566.0" A="6.1541712E12" B="-1.87500326E9" C="142815.34" Error="2.38E-10"/>
<QuasiParabolic ID="5" StartDistance="6566.0" EndDistance="6567.0" A="1.23707767E13" B="-3.76857779E9" C="287010.78" Error="0.0"/>
<QuasiParabolic ID="6" StartDistance="6567.0" EndDistance="6574.0" A="3.69771597E12" B="-1.12717069E9" C="85898.62" Error="0.018"/>
<QuasiParabolic ID="7" StartDistance="6574.0" EndDistance="6583.0" A="7.6032676E12" B="-2.31535181E9" C="176268.34" Error="0.0127"/>
<QuasiParabolic ID="8" StartDistance="6583.0" EndDistance="6594.0" A="1.47604394E13" B="-4.4897925E9" C="341424.1" Error="0.013"/>
<QuasiParabolic ID="9" StartDistance="6594.0" EndDistance="6615.16" A="-1.32574389E13" B="4.00819891E9" C="-302948.94" Error="0.00427"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="85.75" Depth="0.154"/>
<TopsideChapman PeakHeight="245.16" PeakDensity="82265.82" PeakScaleHeight="16.967" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
