<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-12 -132 22:00:00.000"
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: 50% PACIFIC flags: F2o cusp not found, 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" >
2026.05.12 (132) 22:00:00</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">
FF202613205122200001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.050" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.651" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.135" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.700" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.700" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.425" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="246.153" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="246.153" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="2.800" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="257.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.363" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.700" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.700" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="249.171" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="230.380" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.405" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="26.861" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.712" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="14.313" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="26.170" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.330" 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" >
2.7 2.725 2.75 2.775 2.8 2.825 2.85 2.875 2.9 2.925 2.95 2.975 3.0 3.025 3.05
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
246.153 250.000 252.500 255.000 257.500 262.500 267.500 270.000 277.500 282.500 290.000 300.000 310.000 322.500 336.570
</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 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-21.875 -21.875 -21.875 -21.875 -21.875 -21.875 -21.875 -21.875 -21.875 -3.125 -3.125 -3.125 3.125 9.375 -3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="372">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.304 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 141.15767 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 172.31534 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 203.473 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 249.171 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.21767889 0.23998174 0.25919208 0.27587143 0.29043984 0.30320784 0.31440428 0.3241952 0.33271098 0.34004754 0.34628156 0.3514724 0.3556637 0.35889122 0.36117935 0.36254573 0.363 0.36288062 0.36252272 0.3618482 0.36093938 0.35979992 0.35835642 0.35669398 0.35474294 0.352514 0.34994477 0.3471992 0.34407267 0.34073114 0.3369861 0.33300626 0.32868746 0.32394338 0.31889 0.3134912 0.30764484 0.30141637 0.29473123 0.28756163 0.279823 0.27152112 0.26268575 0.25310534 0.24275914 0.23152652 0.21942699 0.20626065 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 0.20358181 0.20881326 0.21404472 0.21927617 0.22450763 0.22973908 0.23497055 0.24020201 0.24543346 0.25066492 0.2558964 0.26112783 0.2663593 0.27159074 0.2768222 0.28205365 0.28728512 0.2925166 0.29774803 0.3029795 0.30821094 0.3134424 0.31867385 0.32390532 0.3291368 0.33436823 0.3395997 0.34483114 0.3500626 0.35529405 0.36052552 0.363 0.38105553 0.41730067 0.45597607 0.4969332 0.54007775 0.5853943 0.63289183 0.6826274 0.73469 0.7891847 0.84622604 0.90595585 0.9684997 1.0339754 1.1024979 1.1741296 1.2489228 1.3268626 1.4078581 1.4917368 1.5782144 1.6669222 1.7573322 1.8488343 1.940751 2.0323365 2.1227734 2.2113278 2.2972734 2.3799818 2.4589086 2.5336068 2.6037345 2.6690238 2.7292955 2.784436 2.8343751 2.879082 2.9185514 2.9527936 2.9818356 3.0056999 3.0244215 3.0380177 3.046516 3.0499258 3.05 3.049013 3.0452669 3.038849 3.0298903 3.018522 3.0048747 2.9890788 2.9712625 2.9515522 2.9300718 2.9069426 2.8822827 2.8562067 2.8288257 2.8002472 2.7705743 2.739907 2.7083402 2.6759653 2.6428697 2.6091368 2.5748453 2.5400705 2.504884 2.469353 2.433541 2.3975084 2.3613112 2.325003 2.2886329 2.252248 2.2158918 2.1796045 2.1434243 2.1073856 2.0715213 2.035861 2.000433 1.9652618 1.9303714 1.8957828 1.8615155 1.8275871 1.7940134 1.7608088 1.7279861 1.6955566 1.6635306 1.6319166 1.6007224 1.5699546 1.5396187 1.5097193 1.4802598 1.4512433 1.4226719 1.3945467 1.3668686 1.3396376 1.3128532 1.2865143 1.2606194 1.2351665 1.2101533 1.1855772 1.1614347 1.1377226 1.1144372 1.0915745 1.0691304 1.0471005 1.0254802 1.0042646 0.983449 0.96302825 0.9429973 0.9233509 0.9040836 0.88519025 0.86666524 0.8485032 0.83069843 0.8132456 0.796139 0.77937317 0.7629425 0.7468414 0.7310644 0.7156059 0.7004605 0.6856227 0.6710871 0.6568483 0.64290094 0.6292398 0.61585957 0.6027551 0.58992136 0.5773531 0.5650455 0.5529934 0.5411921 0.52963674 0.5183226 0.5072449 0.49639907 0.48578063 0.47538504 0.46520793 0.45524493 0.4454918 0.43594432 0.4265984 0.41744992 0.40849495 0.39972955 0.39114985 0.3827521 0.37453252 0.36648753 0.35861355 0.350907 0.34336448 0.33598256 0.32875794 0.32168737 0.31476763 0.30799556 0.30136812 0.2948823 0.2885351 0.2823236 0.276245 0.2702965 0.26447538 0.25877893 0.25320452 0.2477496 0.24241163 0.23718815 0.23207673 0.227075 0.22218063 0.21739136 0.21270493 0.20811918 0.20363195 0.19924118 0.19494478 0.19074075 0.18662713 0.18260199 0.17866343 0.1748096 0.17103873 0.167349 0.1637387 0.16020611 0.15674959 0.15336752 0.15005827 0.1468203 0.1436521 0.14055213 0.13751897 0.13455117 0.13164733 0.12880607 0.12602606 0.12330597 0.12064452 0.11804045 0.11549253 0.11299955 0.11056033 0.10817371 0.10583857 0.10355379 0.101318285 0.099131 0.09699091 0.09489699 0.092848234 0.09084368 0.08888238 0.08696339 0.08508582 0.08324876 0.081451334 0.07969271 0.077972025 0.076288484 0.07464127 0.073029615 0.07145274 0.06990989 0.06840036 0.0669234 0.065478325 0.06406444 0.06268108 0.061327584 0.060003303 0.05870761 0.057439886 0.056199532 0.054985955 0.05379858 0.052636836 0.05150018 0.050388057

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.363" PeakHeight="110.0" Num="3" Error="0.0">
-19.108 2.567 -0.155
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.363" EndFrequency="3.05" PeakHeight="249.171" Num="5" zHalfNm="230.38" Error="1.763">
-46.435 1.62 -1.505 0.806 -0.184
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.013" EndDistance="6480.001" A="-5.7803316E11" B="1.78405296E8" C="-13765.709" Error="0.00223"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6511.158" A="-1.6827333E11" B="5.1936216E7" C="-4007.2922" Error="0.00162"/>
<QuasiParabolic ID="2" StartDistance="6511.158" EndDistance="6542.315" A="0.0" B="4108.6094" C="-0.59100884" Error="0.0751"/>
<QuasiParabolic ID="3" StartDistance="6542.315" EndDistance="6558.0" A="-1.05462555E11" B="3.208128E7" C="-2439.6519" Error="0.0767"/>
<QuasiParabolic ID="4" StartDistance="6558.0" EndDistance="6573.0" A="2.37338345E11" B="-7.2463064E7" C="5531.0967" Error="0.0502"/>
<QuasiParabolic ID="5" StartDistance="6573.0" EndDistance="6586.0" A="8.1144395E12" B="-2.46926848E9" C="187853.12" Error="0.0667"/>
<QuasiParabolic ID="6" StartDistance="6586.0" EndDistance="6604.0" A="1.69917263E13" B="-5.1650739E9" C="392514.94" Error="0.0333"/>
<QuasiParabolic ID="7" StartDistance="6604.0" EndDistance="6619.171" A="-2.76387437E13" B="8.3511199E9" C="-630818.94" Error="0.012"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="93.473" Depth="0.163"/>
<TopsideChapman PeakHeight="249.171" PeakDensity="115415.63" PeakScaleHeight="14.313" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
