<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-07 -127 02:25:00.000"
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 11 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 95% PACIFIC flags: Multiple candidates for F2o cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.07 (127) 02:25:00</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">
FF202612705070225001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.400" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.664" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.457" 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="3.825" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="252.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="252.500" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.300" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="282.679" 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="249.894" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="234.105" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.006" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="22.646" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.742" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="11.949" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="22.490" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.160" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="19">
<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 3.325 3.35 3.375 3.4
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
252.500 252.500 255.000 257.500 257.500 257.500 260.000 262.500 265.000 267.500 270.000 277.500 277.500 280.000 282.679 286.381 291.829 300.639 317.315
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
78 84 87 81 78 93 96 93 93 93 90 90 93 102 102 102 108 108 105
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="342">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 143.25 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 176.5 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 209.75 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 249.894 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0
</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 0.35354906 0.35306174 0.352277 0.35134757 0.35012823 0.34869877 0.34706512 0.34523398 0.343142 0.34080055 0.3382224 0.33542153 0.33234677 0.3290187 0.32545936 0.32156938 0.31744388 0.31299958 0.30822688 0.30312735 0.29771414 0.29194102 0.28570086 0.27913103 0.27213752 0.26456448 0.256557 0.2479685 0.23874018 0.22879031 0.21807829 0.20660281 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 0.20231579 0.20694737 0.21157895 0.21621053 0.22084211 0.22547369 0.23010527 0.23473684 0.23936842 0.244 0.24863158 0.25326315 0.25789472 0.2625263 0.26715788 0.27178946 0.27642104 0.28105262 0.2856842 0.29031578 0.29494736 0.29957893 0.3042105 0.3088421 0.31347367 0.31810525 0.32273683 0.3273684 0.332 0.33663157 0.34126315 0.34589472 0.3505263 0.354 0.36305165 0.40231913 0.44648775 0.49547562 0.5490801 0.6071003 0.6693307 0.73564327 0.80593556 0.8801919 0.9583688 1.0404817 1.1265478 1.216534 1.3103715 1.4079561 1.5090995 1.6135467 1.7209204 1.8307308 1.942411 2.055262 2.1684864 2.2812347 2.3925889 2.501637 2.6074486 2.709154 2.8059561 2.8971076 2.9819462 3.0599484 3.1306195 3.1935914 3.248557 3.295273 3.333542 3.363226 3.3842301 3.396484 3.4 3.3999739 3.3972106 3.390069 3.378799 3.3636518 3.3448787 3.3227274 3.2974434 3.2692654 3.2384272 3.2051551 3.1696675 3.1321745 3.0928776 3.051969 3.009632 2.9660401 2.9213576 2.8757398 2.829332 2.7822716 2.7346864 2.686696 2.6384115 2.5899365 2.5413663 2.4927895 2.4442873 2.3959346 2.3477998 2.299945 2.2524278 2.2052991 2.1586056 2.112389 2.066687 2.021533 1.976956 1.9329823 1.8896343 1.8469316 1.8048908 1.7635258 1.7228483 1.6828675 1.6435906 1.6050229 1.5671679 1.5300275 1.4936023 1.4578912 1.4228925 1.3886027 1.3550179 1.3221328 1.2899417 1.2584379 1.2276142 1.1974628 1.1679755 1.1391436 1.1109577 1.0834087 1.0564867 1.0301818 1.0044836 0.9793821 0.95486665 0.9309268 0.90755194 0.8847314 0.86245453 0.84071064 0.8194892 0.79877955 0.7785712 0.7588536 0.7396165 0.7208496 0.7025427 0.68468577 0.66726893 0.6502823 0.63371634 0.6175614 0.6018082 0.5864474 0.57147014 0.5568673 0.54263026 0.52875036 0.51521915 0.50202835 0.48916987 0.47663572 0.4644181 0.4525094 0.4409021 0.42958888 0.41856256 0.40781614 0.3973427 0.38713562 0.37718824 0.36749417 0.35804713 0.34884098 0.33986974 0.33112752 0.32260865 0.3143075 0.30621865 0.29833674 0.29065657 0.28317308 0.2758813 0.2687764 0.2618536 0.2551084 0.24853621 0.24213271 0.23589358 0.22981466 0.22389187 0.21812126 0.21249893 0.20702112 0.20168413 0.19648439 0.19141838 0.1864827 0.181674 0.17698905 0.17242467 0.1679778 0.1636454 0.15942454 0.1553124 0.15130617 0.14740312 0.14360061 0.13989608 0.13628699 0.13277091 0.12934543 0.12600826 0.122757085 0.119589716 0.116504006 0.113497846 0.110569194 0.107716046 0.10493647 0.10222858 0.09959052 0.09702049 0.09451675 0.092077576 0.089701325 0.08738636 0.085131116 0.082934044 0.08079366 0.07870848 0.0766771 0.07469813 0.072770216 0.07089204 0.06906234 0.06727983 0.065543324 0.063851625 0.06220358 0.06059806 0.05903397 0.057510242 0.056025837 0.054579735 0.053170953 0.051798526 0.05046152

</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="3.4" PeakHeight="249.894" Num="5" zHalfNm="234.105" Error="0.919">
-40.316 0.555 -0.526 0.278 -0.135
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="7" 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="6513.25" A="-1.37420415E11" B="4.2413708E7" C="-3272.5374" Error="0.00164"/>
<QuasiParabolic ID="2" StartDistance="6513.25" EndDistance="6546.5" A="0.0" B="-7335.8823" C="1.1663291" Error="0.144"/>
<QuasiParabolic ID="3" StartDistance="6546.5" EndDistance="6580.0" A="1.55861844E11" B="-4.761878E7" C="3637.158" Error="0.144"/>
<QuasiParabolic ID="4" StartDistance="6580.0" EndDistance="6586.0" A="1.2964125E13" B="-3.94070784E9" C="299464.6" Error="0.101"/>
<QuasiParabolic ID="5" StartDistance="6586.0" EndDistance="6609.0" A="2.10149562E13" B="-6.3855396E9" C="485072.84" Error="0.0735"/>
<QuasiParabolic ID="6" StartDistance="6609.0" EndDistance="6619.894" A="-5.2295438E13" B="1.57994793E10" C="-1193321.8" Error="0.009"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="99.75" Depth="0.154"/>
<TopsideChapman PeakHeight="249.894" PeakDensity="143424.31" PeakScaleHeight="11.949" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
