<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-09 -129 07:40:00.000"
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: 45% PACIFIC flags: F2o cusp not found, Multiple candidates for F2x cusp, One of F2 cusps was derived from the other, F2O model cusp does not fit trace</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.09 (129) 07:40:00</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">
FF202612905090740001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.800" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.555" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="9.953" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.625" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.625" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.100" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="282.552" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="282.552" 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="2.650" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="285.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.625" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.625" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="263.016" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="242.412" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.366" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="29.418" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.658" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="15.562" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="29.540" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.110" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="8">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.625 2.65 2.675 2.7 2.725 2.75 2.775 2.8
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
282.552 285.000 290.000 295.000 300.000 312.500 327.500 357.709
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 0 0 0 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
1.5625 -10.9375 -10.9375 -10.9375 -10.9375 -10.9375 -10.9375 -10.9375
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="400">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 144.333 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 178.666 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 212.999 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 263.016 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0
</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 0.35362422 0.35306162 0.352389 0.35145888 0.35038653 0.34902808 0.34753633 0.34577137 0.343814 0.34160203 0.33921662 0.33659953 0.33376482 0.33066237 0.32731286 0.32367623 0.31984153 0.31568688 0.3112526 0.3065537 0.30153298 0.2961291 0.29044962 0.28439903 0.27792898 0.27104172 0.2636531 0.25585186 0.24747954 0.23853076 0.22886044 0.21857327 0.20743656 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 0.20149815 0.20598362 0.21046911 0.21495458 0.21944007 0.22392555 0.22841103 0.2328965 0.237382 0.24186747 0.24635296 0.25083843 0.25532392 0.2598094 0.26429486 0.26878035 0.27326584 0.27775133 0.28223678 0.28672227 0.29120776 0.29569325 0.3001787 0.3046642 0.30914968 0.31363517 0.31812063 0.32260612 0.3270916 0.3315771 0.33606255 0.34054804 0.34503353 0.349519 0.354 0.354028 0.38369012 0.41560104 0.4497238 0.4859941 0.52435726 0.5647581 0.6071703 0.6515549 0.69787675 0.7461349 0.79629374 0.84835386 0.902285 0.95807034 1.0156587 1.075027 1.1360852 1.1987714 1.262993 1.3286258 1.3955197 1.4635192 1.5324274 1.6020283 1.6721032 1.7423816 1.8125979 1.8824465 1.9516522 2.019897 2.0868776 2.1522856 2.2158353 2.2772236 2.3361893 2.3924742 2.44584 2.4960544 2.542943 2.586301 2.6259847 2.6618521 2.693771 2.7216444 2.7453845 2.7649152 2.7801793 2.7911325 2.7977462 2.7999911 2.8 2.798921 2.7956748 2.7903528 2.783049 2.7738574 2.762871 2.7501833 2.7358863 2.720071 2.702827 2.6842418 2.6644018 2.6433904 2.621289 2.5981772 2.5741315 2.549226 2.5235322 2.497119 2.4700525 2.4423964 2.4142113 2.3855557 2.356485 2.3270519 2.297307 2.2672982 2.237071 2.206668 2.17613 2.1454957 2.1148012 2.0840802 2.0533652 2.0226862 1.9920713 1.9615467 1.9311372 1.9008656 1.8707532 1.8408197 1.8110834 1.7815615 1.7522691 1.7232208 1.6944296 1.6659075 1.6376654 1.609713 1.5820591 1.554712 1.5276786 1.5009651 1.4745771 1.4485193 1.422796 1.3974104 1.3723655 1.3476636 1.3233064 1.2992952 1.2756308 1.2523136 1.2293437 1.2067205 1.1844434 1.1625112 1.1409228 1.1196764 1.09877 1.0782018 1.0579692 1.0380698 1.0185009 0.99925965 0.9803429 0.96174765 0.94347054 0.92550814 0.90785706 0.8905137 0.8734744 0.85673547 0.84029317 0.8241435 0.80828285 0.7927072 0.7774126 0.76239514 0.7476509 0.7331758 0.718966 0.70501745 0.6913262 0.6778883 0.66469973 0.65175664 0.6390551 0.6265912 0.6143611 0.6023609 0.5905869 0.5790353 0.56770223 0.5565842 0.5456773 0.5349781 0.52448285 0.5141881 0.50409037 0.49418607 0.48447183 0.47494432 0.46560013 0.456436 0.44744867 0.43863496 0.4299917 0.4215158 0.41320413 0.40505373 0.39706162 0.38922486 0.38154057 0.3740059 0.3666181 0.35937437 0.35227203 0.34530842 0.33848095 0.33178702 0.3252241 0.31878972 0.31248143 0.30629683 0.30023357 0.29428932 0.2884618 0.28274882 0.2771481 0.27165756 0.26627502 0.26099843 0.25582576 0.25075498 0.2457841 0.24091123 0.23613444 0.23145188 0.2268617 0.22236213 0.2179514 0.21362777 0.20938955 0.20523506 0.2011627 0.19717082 0.19325788 0.18942232 0.18566264 0.18197735 0.17836498 0.1748241 0.17135333 0.16795127 0.16461657 0.16134793 0.15814403 0.15500359 0.1519254 0.1489082 0.1459508 0.143052 0.14021069 0.13742569 0.13469593 0.1320203 0.12939772 0.12682718 0.12430761 0.12183803 0.119417444 0.11704489 0.114719406 0.11244007 0.11020598 0.108016215 0.10586992 0.10376623 0.1017043 0.0996833 0.09770242 0.095760874 0.093857884 0.09199267 0.0901645 0.08837263 0.086616345 0.08489494 0.08320773 0.08155402 0.07993316 0.0783445 0.07678739 0.07526121 0.07376536 0.07229921 0.0708622 0.06945373 0.06807325 0.06672019 0.065394014 0.06409419 0.062820196 0.06157151 0.060347635 0.059148084 0.057972364 0.056820013 0.055690557 0.054583546 0.053498536 0.052435085 0.05139277 0.05037117

</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="2.8" PeakHeight="263.016" Num="5" zHalfNm="242.412" Error="0.514">
-50.297 0.516 -0.374 0.223 -0.085
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="12" 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="6514.333" A="-1.28926351E11" B="3.9792084E7" C="-3070.2515" Error="0.00168"/>
<QuasiParabolic ID="2" StartDistance="6514.333" EndDistance="6548.666" A="0.0" B="614.5217" C="-0.054303296" Error="0.0116"/>
<QuasiParabolic ID="3" StartDistance="6548.666" EndDistance="6551.0" A="-1.17219957E12" B="3.57814656E8" C="-27305.74" Error="0.0383"/>
<QuasiParabolic ID="4" StartDistance="6551.0" EndDistance="6572.0" A="8.3839492E10" B="-2.5650174E7" C="1961.9152" Error="0.0375"/>
<QuasiParabolic ID="5" StartDistance="6572.0" EndDistance="6582.0" A="-4.7318766E10" B="1.4264087E7" C="-1074.7754" Error="0.00498"/>
<QuasiParabolic ID="6" StartDistance="6582.0" EndDistance="6584.0" A="9.7071252E12" B="-2.94971162E9" C="224082.9" Error="0.0299"/>
<QuasiParabolic ID="7" StartDistance="6584.0" EndDistance="6585.0" A="2.21434767E12" B="-6.7365523E8" C="51235.367" Error="4.94E-11"/>
<QuasiParabolic ID="8" StartDistance="6585.0" EndDistance="6597.0" A="5.7777576E12" B="-1.75593613E9" C="133413.11" Error="0.0293"/>
<QuasiParabolic ID="9" StartDistance="6597.0" EndDistance="6600.0" A="1.58087984E13" B="-4.7970278E9" C="363903.62" Error="0.00437"/>
<QuasiParabolic ID="10" StartDistance="6600.0" EndDistance="6619.0" A="8.2137333E12" B="-2.49549286E9" C="189544.9" Error="0.032"/>
<QuasiParabolic ID="11" StartDistance="6619.0" EndDistance="6633.016" A="-2.13436491E13" B="6.4355789E9" C="-485109.25" Error="0.0103"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="102.999" Depth="0.154"/>
<TopsideChapman PeakHeight="263.016" PeakDensity="97270.47" PeakScaleHeight="15.562" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
