<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-30 -150 02:00:00.000"
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="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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 70% PACIFIC flags: F2 cusps do not match</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.30 (150) 02:00:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.00" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202615005300200001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.775" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.618" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.658" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.975" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.975" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.375" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="247.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="247.500" 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="3.600" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="280.808" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.975" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.975" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="255.546" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="235.435" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.181" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="28.795" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.154" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="15.380" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="27.290" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.600" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="33">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 3.425 3.45 3.475 3.5 3.525 3.55 3.575 3.6 3.625 3.65 3.675 3.7 3.725 3.75 3.775
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
247.500 247.500 247.500 250.000 250.000 252.500 252.500 252.500 255.000 255.000 257.500 257.500 260.000 260.000 262.500 262.500 265.000 265.000 267.500 267.500 270.000 272.500 275.000 277.500 277.500 280.808 284.832 289.832 296.212 304.634 316.266 333.375 361.023
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
84 87 96 96 96 93 96 96 93 96 93 99 96 99 96 99 87 90 90 87 87 87 87 84 81 81 81 75 0 0 0 0 0
</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 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="404">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 142.08333 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 174.16667 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 206.25 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 255.546 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0
</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 0.35298675 0.3521277 0.3511249 0.34983355 0.34833378 0.34655926 0.3445913 0.34229675 0.3398302 0.33706498 0.33401984 0.33071515 0.327109 0.32322994 0.31904808 0.31454307 0.3097052 0.30453598 0.29904887 0.29310012 0.2867813 0.2800439 0.2727352 0.26502842 0.25670934 0.24776544 0.23820302 0.22786881 0.21668318 0.20459439 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 0.204 0.2088 0.2136 0.2184 0.2232 0.228 0.2328 0.2376 0.2424 0.2472 0.252 0.2568 0.2616 0.2664 0.2712 0.276 0.2808 0.2856 0.2904 0.2952 0.3 0.3048 0.3096 0.3144 0.3192 0.324 0.3288 0.3336 0.3384 0.3432 0.348 0.3528 0.354 0.37976086 0.41741177 0.45851964 0.5027109 0.54968363 0.5992241 0.65122 0.7056774 0.76265115 0.822256 0.88465756 0.9500625 1.0186644 1.0907313 1.1664946 1.2461994 1.330067 1.4183161 1.5110753 1.6084224 1.7102783 1.8164191 1.9264877 2.0398197 2.155576 2.2727282 2.3901162 2.5065093 2.6206882 2.7315469 2.8381596 2.9397972 3.0359266 3.1261568 3.2102919 3.288239 3.3599727 3.4255807 3.485136 3.538769 3.5866091 3.628774 3.665402 3.696601 3.7224789 3.74312 3.758595 3.7689583 3.774247 3.775 3.7746809 3.7717705 3.76593 3.757289 3.7459786 3.7321296 3.7158723 3.6973362 3.6766493 3.6539373 3.6293242 3.6029305 3.574875 3.5452726 3.514235 3.4818707 3.4482844 3.4135773 3.3778472 3.341187 3.303687 3.2654335 3.2265084 3.1869903 3.146954 3.106471 3.0656087 3.0244315 2.9829998 2.9413717 2.8996007 2.8577383 2.8158324 2.7739284 2.7320685 2.6902926 2.6486375 2.607138 2.565826 2.5247316 2.483883 2.443305 2.4030218 2.3630552 2.323425 2.2841496 2.245246 2.2067287 2.168612 2.130908 2.093628 2.0567813 2.020377 1.9844226 1.9489247 1.9138888 1.8793199 1.8452216 1.8115971 1.7784488 1.7457783 1.7135867 1.6818744 1.6506412 1.6198866 1.5896093 1.5598078 1.5304801 1.5016239 1.4732363 1.4453145 1.417855 1.3908542 1.3643084 1.3382133 1.3125647 1.2873582 1.2625891 1.2382526 1.2143439 1.1908579 1.1677893 1.1451333 1.1228842 1.1010367 1.0795854 1.0585251 1.03785 1.0175548 0.9976337 0.9780813 0.9588921 0.9400605 0.9215809 0.90344787 0.88565594 0.86819947 0.8510732 0.8342716 0.8177894 0.8016211 0.78576154 0.77020544 0.75494766 0.73998296 0.72530633 0.7109127 0.69679713 0.68295467 0.6693804 0.6560697 0.64301765 0.63021964 0.6176711 0.60536736 0.5933041 0.5814768 0.56988114 0.55851287 0.54736763 0.5364414 0.52572995 0.5152294 0.5049356 0.49484488 0.4849532 0.47525686 0.46575215 0.45643538 0.447303 0.43835145 0.4295773 0.4209771 0.41254747 0.4042852 0.396187 0.38824973 0.38047025 0.37284547 0.36537242 0.35804814 0.35086972 0.34383428 0.3369391 0.33018136 0.32355842 0.31706762 0.31070635 0.3044721 0.2983623 0.2923746 0.28650653 0.28075573 0.2751199 0.26959676 0.26418412 0.25887972 0.25368148 0.24858728 0.24359505 0.23870279 0.23390847 0.2292102 0.22460604 0.22009413 0.21567263 0.21133974 0.2070937 0.20293279 0.1988553 0.19485958 0.19094399 0.18710694 0.18334685 0.1796622 0.17605147 0.1725132 0.16904594 0.16564825 0.16231877 0.15905611 0.15585896 0.15272598 0.14965592 0.1466475 0.14369948 0.14081067 0.13797987 0.13520592 0.1324877 0.12982407 0.12721394 0.12465626 0.12214995 0.119694 0.11728739 0.11492914 0.11261827 0.110353835 0.1081349 0.10596056 0.10382991 0.10174209 0.09969623 0.09769148 0.09572702 0.09380205 0.09191577 0.09006741 0.0882562 0.0864814 0.08474228 0.083038114 0.081368215 0.07973188 0.07812844 0.07655724 0.07501763 0.07350897 0.07203064 0.07058204 0.069162555 0.06777162 0.06640865 0.06507308 0.06376437 0.06248197 0.06122536 0.059994012 0.058787428 0.057605106 0.056446556 0.055311307 0.054198883 0.053108834 0.0520407 0.050994046

</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="3.775" PeakHeight="255.546" Num="5" zHalfNm="235.435" Error="1.355">
-51.334 3.679 -2.669 1.41 -0.382
</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="6512.083" A="-1.47549225E11" B="4.5539884E7" C="-3513.7546" Error="0.00163"/>
<QuasiParabolic ID="2" StartDistance="6512.083" EndDistance="6544.167" A="0.0" B="-3951.2698" C="0.646786" Error="0.075"/>
<QuasiParabolic ID="3" StartDistance="6544.167" EndDistance="6575.0" A="8.6306439E10" B="-2.6422452E7" C="2022.3251" Error="0.075"/>
<QuasiParabolic ID="4" StartDistance="6575.0" EndDistance="6588.0" A="8.0149243E12" B="-2.43816934E9" C="185425.14" Error="0.0315"/>
<QuasiParabolic ID="5" StartDistance="6588.0" EndDistance="6608.0" A="2.54860927E13" B="-7.7421061E9" C="587970.44" Error="0.0335"/>
<QuasiParabolic ID="6" StartDistance="6608.0" EndDistance="6625.546" A="-3.5429844E13" B="1.06949202E10" C="-807083.0" Error="0.00951"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="96.25" Depth="0.154"/>
<TopsideChapman PeakHeight="255.546" PeakDensity="176806.77" PeakScaleHeight="15.38" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
