<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-13 -133 21:45:00.000"
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="20.0">
<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: 30% PACIFIC flags: F2o cusp not found, One of F2 cusps was derived from the other, F2O model cusp does not fit trace, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.13 (133) 21:45:00</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">
FF202613305132145001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.150" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.579" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.273" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.850" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.850" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.475" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="259.945" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="259.945" 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="2.850" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="259.945" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.425" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.850" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.850" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="259.748" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="235.434" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.728" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="34.672" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.979" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="18.395" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="35.050" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.070" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="13">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
259.945 265.000 270.000 275.000 282.500 287.500 295.000 305.000 312.500 325.000 337.500 352.500 368.475
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 0 0 0 0 0 0 0 0 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-21.875 -21.875 -21.875 -9.375 -3.125 3.125 9.375 -3.125 -3.125 -3.125 -3.125 -3.125 9.375
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="446">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
92.348 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 140.05833 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 170.11667 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 200.175 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 259.748 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.22328416 0.25451294 0.2809174 0.30350944 0.32305962 0.34011397 0.3550509 0.36814287 0.3795948 0.3895549 0.3981371 0.4054316 0.41150612 0.4164115 0.42018992 0.42286858 0.42446807 0.425 0.42480773 0.42428634 0.42338285 0.42215577 0.42055577 0.4185365 0.41621563 0.4134443 0.41034374 0.40682602 0.4029127 0.39860278 0.39380255 0.38864523 0.38298035 0.3767708 0.3701678 0.3629805 0.35514188 0.34677118 0.33770546 0.3279222 0.31739736 0.3059041 0.2934676 0.27991298 0.26504636 0.24875301 0.23070869 0.21088599 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 0.20661214 0.21409759 0.22158304 0.22906847 0.23655392 0.24403937 0.2515248 0.25901026 0.2664957 0.27398115 0.2814666 0.28895205 0.29643747 0.30392292 0.31140837 0.31889382 0.32637927 0.33386472 0.34135014 0.3488356 0.35632104 0.3638065 0.37129194 0.37877738 0.38626283 0.39374825 0.4012337 0.40871915 0.4162046 0.42369005 0.425 0.4499949 0.4812854 0.5136792 0.5471783 0.58181554 0.6176083 0.654588 0.6927792 0.7322231 0.7729338 0.814963 0.8583334 0.9030663 0.9491974 0.9967406 1.0457126 1.0961316 1.1479986 1.2013127 1.256054 1.3122054 1.3697207 1.4285598 1.488672 1.5499554 1.6123228 1.6756731 1.7398779 1.8047941 1.8702521 1.936079 2.0020947 2.0681114 2.1338887 2.1992252 2.2639077 2.3276982 2.3903847 2.4517465 2.511561 2.569622 2.6257417 2.6797225 2.731403 2.7806108 2.8272016 2.8710337 2.9119916 2.9499648 2.9848464 3.0165586 3.0450242 3.0701787 3.0919611 3.1103284 3.1252465 3.136679 3.144606 3.1490116 3.15 3.1499424 3.1485953 3.145508 3.140744 3.1343665 3.1264398 3.1170273 3.106193 3.094 3.080511 3.0657883 3.049893 3.0328853 3.0148244 2.9957685 2.9757743 2.9548976 2.9331925 2.9107115 2.8875062 2.8636265 2.8391204 2.814035 2.7884152 2.7623048 2.7357461 2.7087798 2.681445 2.6537786 2.6258173 2.5975957 2.5691466 2.540502 2.511692 2.4827456 2.4536905 2.424553 2.3953576 2.3661287 2.3368888 2.307659 2.2784598 2.2493105 2.220229 2.1912324 2.162337 2.133558 2.1049097 2.076405 2.048057 2.0198774 1.9918771 1.964066 1.9364538 1.9090494 1.8818609 1.8548957 1.8281608 1.8016626 1.7754067 1.7493987 1.7236432 1.6981446 1.6729066 1.6479329 1.6232263 1.5987897 1.5746251 1.5507348 1.5271201 1.5037826 1.4807231 1.4579424 1.435441 1.4132193 1.3912771 1.3696142 1.3482304 1.3271248 1.3062968 1.2857455 1.2654698 1.2454683 1.2257396 1.2062823 1.1870947 1.1681751 1.1495216 1.1311322 1.1130052 1.095138 1.0775287 1.0601751 1.0430746 1.0262251 1.009624 0.993269 0.97715753 0.96128696 0.94565475 0.9302584 0.91509515 0.9001624 0.8854575 0.87097776 0.8567205 0.84268296 0.82886255 0.8152564 0.801862 0.7886765 0.7756973 0.7629216 0.7503467 0.73797005 0.7257889 0.7138006 0.7020025 0.6903921 0.6789665 0.6677234 0.6566601 0.645774 0.63506263 0.62452346 0.614154 0.60395175 0.5939143 0.58403915 0.57432395 0.56476635 0.555364 0.5461145 0.53701556 0.52806497 0.5192604 0.5105997 0.50208056 0.4937009 0.48545852 0.47735134 0.46937725 0.46153414 0.45382002 0.44623286 0.43877065 0.43143144 0.4242133 0.4171143 0.41013253 0.4032662 0.3965134 0.3898724 0.38334134 0.37691852 0.37060216 0.36439058 0.3582821 0.35227504 0.34636778 0.34055868 0.33484617 0.3292287 0.32370472 0.3182727 0.31293118 0.3076786 0.30251363 0.29743475 0.2924406 0.28752977 0.2827009 0.27795264 0.2732837 0.26869273 0.26417848 0.2597397 0.25537512 0.25108355 0.24686374 0.24271455 0.2386348 0.23462331 0.230679 0.22680075 0.22298744 0.21923803 0.21555144 0.21192661 0.20836255 0.20485824 0.20141268 0.1980249 0.19469394 0.19141886 0.18819872 0.1850326 0.18191962 0.17885889 0.17584953 0.1728907 0.16998152 0.16712122 0.16430892 0.16154388 0.15882526 0.15615232 0.15352428 0.1509404 0.14839993 0.14590216 0.14344636 0.14103182 0.13865787 0.13632382 0.13402902 0.13177279 0.1295545 0.1273735 0.12522918 0.12312091 0.12104809 0.11901014 0.117006466 0.11503649 0.11309964 0.11119538 0.10932315 0.10748242 0.10567265 0.10389333 0.10214395 0.10042401 0.09873299 0.09707044 0.095435865 0.0938288 0.09224877 0.09069533 0.08916804 0.08766645 0.086190134 0.084738664 0.08331163 0.08190861 0.08052921 0.07917303 0.07783967 0.076528765 0.07523993 0.073972784 0.07272697 0.071502134 0.07029791 0.06911397 0.06794996 0.06680554 0.0656804 0.0645742 0.06348662 0.06241735 0.061366092 0.06033253 0.059316374 0.058317326 0.0573351 0.056369416 0.055419993 0.054486558 0.05356884 0.052666575 0.051779505 0.050907373 0.050049927

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.425" PeakHeight="110.0" Num="3" Error="0.0">
-20.837 3.448 -0.263
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.425" EndFrequency="3.15" PeakHeight="259.748" Num="5" zHalfNm="235.434" Error="1.867">
-59.163 -0.33 -0.437 0.429 -0.072
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.016" EndDistance="6480.001" A="-7.9252993E11" B="2.44608016E8" C="-18873.895" Error="0.00494"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6510.058" A="-2.77132902E11" B="8.553484E7" C="-6599.73" Error="0.00447"/>
<QuasiParabolic ID="2" StartDistance="6510.058" EndDistance="6540.117" A="0.0" B="140.86021" C="0.018289495" Error="0.00432"/>
<QuasiParabolic ID="3" StartDistance="6540.117" EndDistance="6568.0" A="9.3281411E10" B="-2.8657904E7" C="2201.0623" Error="0.0124"/>
<QuasiParabolic ID="4" StartDistance="6568.0" EndDistance="6580.0" A="4.693476E12" B="-1.42944806E9" C="108838.555" Error="0.0396"/>
<QuasiParabolic ID="5" StartDistance="6580.0" EndDistance="6583.0" A="4.29388385E12" B="-1.30799142E9" C="99609.33" Error="0.00192"/>
<QuasiParabolic ID="6" StartDistance="6583.0" EndDistance="6613.0" A="8.2188551E12" B="-2.500448E9" C="190180.23" Error="0.0358"/>
<QuasiParabolic ID="7" StartDistance="6613.0" EndDistance="6629.748" A="-1.9347928E13" B="5.8367012E9" C="-440180.34" Error="0.0114"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="90.175" Depth="0.225"/>
<TopsideChapman PeakHeight="259.748" PeakDensity="123107.94" PeakScaleHeight="18.395" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
