<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-09 -129 02:15:00.000"
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 33 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 60% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, F2 cusps do not match</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.09 (129) 02:15:00</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">
FF202612905090215001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.300" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.522" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.622" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.950" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.950" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.725" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="267.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="267.500" 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="3.125" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="290.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.950" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.950" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="271.672" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="249.097" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.074" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="32.286" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.007" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="17.656" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="28.430" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.460" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="15">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
267.500 270.000 272.500 277.500 280.000 285.000 287.500 290.000 295.000 302.500 305.000 317.500 326.030 345.000 423.787
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 66 72 84 84 96 96 99 96 99 99 108 102 102 90
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="448">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 146.75 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 183.5 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 220.25 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 271.672 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0
</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 0.35321164 0.35257575 0.35179353 0.3507929 0.34965166 0.3483729 0.3468153 0.34513062 0.34325272 0.34111932 0.33887988 0.3364047 0.33370727 0.330802 0.3277044 0.32436836 0.32081586 0.31701088 0.31298292 0.30870742 0.304116 0.29931185 0.29412317 0.28874603 0.28298274 0.27686438 0.27037144 0.26346487 0.25618252 0.24836415 0.2400988 0.23120971 0.22173098 0.21158703 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 0.2 0.2 0.2 0.20209524 0.20628572 0.21047619 0.21466666 0.21885714 0.22304761 0.22723809 0.23142858 0.23561905 0.23980953 0.244 0.24819048 0.25238097 0.25657144 0.26076192 0.2649524 0.26914287 0.27333334 0.27752382 0.2817143 0.28590477 0.29009524 0.2942857 0.2984762 0.30266666 0.30685714 0.3110476 0.3152381 0.31942856 0.32361904 0.3278095 0.332 0.33619046 0.34038097 0.34457144 0.34876192 0.3529524 0.354 0.37057057 0.39684832 0.4288651 0.46724272 0.5115748 0.56038797 0.6119522 0.6649863 0.7188739 0.77346134 0.82884115 0.8852412 0.94295174 1.0022951 1.0636505 1.127377 1.193904 1.2636883 1.3372039 1.4149538 1.4974476 1.5851603 1.6784434 1.7773906 1.8816612 1.9903479 2.101737 2.2135074 2.323042 2.4279587 2.526452 2.6175506 2.7009199 2.776646 2.8451476 2.906932 2.962543 3.0124903 3.0572689 3.097292 3.1329365 3.164516 3.1923132 3.2165532 3.23743 3.255112 3.2697284 3.2813926 3.2901828 3.2961657 3.2993815 3.3 3.2998893 3.2982056 3.2945526 3.2890053 3.281639 3.2725296 3.2617524 3.2493827 3.2354956 3.220165 3.2034638 3.185464 3.1662366 3.145851 3.1243749 3.1018746 3.0784152 3.0540593 3.0288682 3.0029013 2.976216 2.948868 2.9209108 2.8923965 2.8633745 2.8338933 2.8039987 2.773735 2.7431445 2.7122679 2.6811438 2.6498094 2.6182997 2.5866487 2.5548882 2.5230486 2.491159 2.4592464 2.4273367 2.3954546 2.3636231 2.331864 2.300198 2.2686443 2.237221 2.205945 2.1748323 2.143898 2.1131556 2.0826182 2.0522978 2.0222056 1.9923515 1.9627453 1.9333956 1.9043103 1.8754969 1.8469619 1.818711 1.7907501 1.7630838 1.7357163 1.7086517 1.6818929 1.6554428 1.6293042 1.6034787 1.577968 1.5527735 1.5278959 1.5033361 1.479094 1.45517 1.4315635 1.4082743 1.3853014 1.3626438 1.3403006 1.3182702 1.2965511 1.2751417 1.2540401 1.2332442 1.212752 1.1925611 1.1726694 1.1530741 1.1337729 1.1147629 1.0960416 1.0776061 1.0594535 1.041581 1.0239856 1.0066643 0.9896139 0.9728314 0.9563138 0.9400578 0.92406034 0.9083182 0.8928282 0.87758714 0.8625918 0.84783894 0.83332545 0.81904805 0.8050036 0.79118884 0.77760065 0.7642358 0.75109124 0.7381637 0.7254502 0.71294755 0.7006527 0.68856263 0.6766743 0.66498464 0.6534907 0.64218956 0.63107824 0.6201539 0.6094136 0.5988546 0.588474 0.578269 0.56823695 0.5583751 0.5486807 0.5391512 0.52978384 0.5205762 0.5115256 0.50262946 0.49388543 0.485291 0.4768437 0.4685412 0.4603811 0.45236105 0.4444788 0.43673205 0.42911854 0.42163613 0.41428262 0.40705588 0.39995378 0.39297426 0.38611525 0.3793748 0.37275085 0.36624146 0.35984474 0.35355875 0.34738165 0.3413116 0.3353468 0.32948545 0.3237258 0.3180661 0.31250468 0.3070399 0.30167004 0.29639354 0.2912088 0.28611422 0.2811083 0.27618948 0.2713563 0.26660728 0.261941 0.257356 0.25285086 0.24842429 0.2440749 0.23980133 0.23560232 0.23147656 0.22742279 0.22343975 0.21952626 0.21568108 0.21190305 0.20819099 0.20454378 0.20096028 0.19743939 0.19398004 0.19058113 0.18724164 0.18396054 0.1807368 0.17756942 0.17445745 0.17139989 0.16839582 0.1654443 0.16254441 0.15969527 0.156896 0.15414569 0.15144353 0.14878866 0.14618027 0.14361754 0.14109968 0.13862589 0.13619542 0.13380753 0.13146143 0.12915643 0.12689179 0.12466683 0.12248084 0.120333135 0.11822306 0.11614995 0.11411316 0.11211206 0.110146016 0.10821442 0.10631668 0.10445219 0.10262038 0.10082066 0.099052496 0.09731531 0.09560858 0.09393176 0.09228433 0.09066578 0.0890756 0.0875133 0.08597838 0.08447038 0.082988806 0.08153321 0.08010313 0.07869813 0.07731775 0.07596158 0.074629195 0.073320165 0.07203409 0.07077056 0.0695292 0.06830959 0.06711138 0.065934174 0.06477761 0.06364133 0.06252498 0.061428204 0.060350664 0.05929202 0.058251943 0.057230104 0.056226186 0.05523988 0.054270864 0.053318847 0.052383527 0.051464614 0.050561816

</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="3.3" PeakHeight="271.672" Num="5" zHalfNm="249.097" Error="2.502">
-55.679 7.901 -5.455 3.062 -1.251
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" 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="6516.75" A="-1.12596525E11" B="3.4752012E7" C="-2681.3572" Error="0.00175"/>
<QuasiParabolic ID="2" StartDistance="6516.75" EndDistance="6553.5" A="0.0" B="-737.6645" C="0.15323502" Error="0.0169"/>
<QuasiParabolic ID="3" StartDistance="6553.5" EndDistance="6589.0" A="4.0179614E10" B="-1.2326804E7" C="945.45734" Error="0.0169"/>
<QuasiParabolic ID="4" StartDistance="6589.0" EndDistance="6591.0" A="5.2831673E12" B="-1.60376333E9" C="121710.1" Error="0.0186"/>
<QuasiParabolic ID="5" StartDistance="6591.0" EndDistance="6607.0" A="7.8288792E12" B="-2.37624448E9" C="180311.31" Error="0.0165"/>
<QuasiParabolic ID="6" StartDistance="6607.0" EndDistance="6618.0" A="3.09391828E13" B="-9.371947E9" C="709727.3" Error="0.0245"/>
<QuasiParabolic ID="7" StartDistance="6618.0" EndDistance="6641.672" A="-2.03667664E13" B="6.1330237E9" C="-461696.94" Error="0.0171"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="110.25" Depth="0.154"/>
<TopsideChapman PeakHeight="271.672" PeakDensity="135111.66" PeakScaleHeight="17.656" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
