<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-06 -126 00:45:00.000"
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="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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 50% PACIFIC flags: F2x cusp not found, One of F2 cusps was derived from the other, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.06 (126) 00:45:00</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">
FF202612605060045001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.325" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.681" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.240" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.125" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.125" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.600" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="277.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="277.500" 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="0.150" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.275" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="287.276" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.125" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.125" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="256.463" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="242.079" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.681" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="20.629" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.647" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.759" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="20.850" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.970" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="9">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
3.125 3.15 3.175 3.2 3.225 3.25 3.275 3.3 3.325
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
277.500 277.500 279.167 280.456 282.102 284.274 287.276 291.691 298.829
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
96 96 0 0 81 78 93 96 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="330">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 146.43033 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 182.86067 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 219.291 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 256.463 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0
</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 0.34957802 0.34822688 0.34667078 0.34498778 0.34304094 0.34091067 0.33860573 0.3360678 0.33331057 0.33041394 0.32719815 0.32381323 0.32021612 0.3163126 0.31219512 0.30783987 0.3031798 0.2982677 0.29303762 0.2874499 0.28151459 0.27526566 0.26868728 0.2616106 0.25408977 0.24608724 0.2375809 0.22844258 0.21869321 0.20828782 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 0.200589 0.20481624 0.20904349 0.21327074 0.21749799 0.22172523 0.22595248 0.23017973 0.23440696 0.23863421 0.24286146 0.24708872 0.25131595 0.2555432 0.25977045 0.2639977 0.26822495 0.27245218 0.27667943 0.28090668 0.28513393 0.28936118 0.29358843 0.29781568 0.3020429 0.30627015 0.3104974 0.31472465 0.3189519 0.32317916 0.3274064 0.33163363 0.33586088 0.34008813 0.34431538 0.34854263 0.35276988 0.354 0.38741672 0.43612915 0.48769253 0.54291385 0.6023987 0.66659397 0.7358368 0.8103282 0.890082 0.9749972 1.0647862 1.159094 1.2574481 1.3592861 1.4640566 1.5711937 1.6801643 1.7903956 1.9013884 2.0126297 2.1235693 2.233747 2.3425624 2.449477 2.5538676 2.6550598 2.7523777 2.845013 2.9321396 3.0128624 3.086277 3.151436 3.2074015 3.2533169 3.2883928 3.3120008 3.323694 3.325 3.3241994 3.3185725 3.3078449 3.2923534 3.2724342 3.2484202 3.2206397 3.1894126 3.1550493 3.1178498 3.0781024 3.036082 2.9920504 2.9462562 2.8989334 2.8503025 2.8005698 2.7499282 2.6985579 2.6466246 2.594283 2.5416753 2.488932 2.4361722 2.3835058 2.331032 2.2788408 2.2270133 2.175623 2.1247349 2.0744076 2.0246925 1.9756348 1.9272745 1.8796457 1.8327779 1.7866961 1.7414209 1.6969694 1.653355 1.6105882 1.5686764 1.5276242 1.4874343 1.4481068 1.4096402 1.3720309 1.3352741 1.2993635 1.2642913 1.230049 1.1966269 1.1640146 1.1322006 1.1011733 1.0709202 1.0414286 1.012685 0.98467594 0.9573877 0.9308062 0.9049174 0.8797071 0.85516095 0.8312647 0.808004 0.78536487 0.763333 0.7418944 0.72103524 0.70074177 0.6810003 0.6617975 0.64312017 0.6249552 0.6072898 0.5901114 0.5734075 0.55716604 0.5413751 0.526023 0.51109815 0.49658948 0.4824859 0.4687767 0.45545137 0.44249964 0.42991143 0.41767702 0.40578672 0.3942313 0.38300154 0.37208858 0.36148375 0.3511786 0.34116483 0.33143443 0.32197955 0.31279257 0.30386606 0.29519275 0.28676558 0.27857772 0.27062246 0.2628933 0.25538388 0.24808805 0.24099982 0.23411334 0.22742294 0.2209231 0.21460843 0.20847371 0.20251387 0.19672395 0.19109915 0.1856348 0.18032634 0.17516938 0.1701596 0.16529281 0.16056499 0.15597215 0.1515105 0.14717628 0.14296587 0.13887575 0.1349025 0.13104281 0.12729341 0.12365118 0.12011305 0.11667608 0.11333736 0.1100941 0.10694358 0.10388315 0.10091024 0.09802235 0.09521706 0.092492 0.08984489 0.0872735 0.084775664 0.08234929 0.07999233 0.077702805 0.07547878 0.07331839 0.07121981 0.069181286 0.067201085 0.065277554 0.06340906 0.061594035 0.059830956 0.05811833 0.056454714 0.05483871 0.053268958 0.051744126 0.05026294

</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="3.325" PeakHeight="256.463" Num="5" zHalfNm="242.079" Error="0.312">
-36.731 -0.805 0.526 -0.302 0.14
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" 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="6516.43" A="-1.14575884E11" B="3.5362928E7" C="-2728.4956" Error="0.00174"/>
<QuasiParabolic ID="2" StartDistance="6516.43" EndDistance="6552.861" A="0.0" B="-370.5457" C="0.09690031" Error="0.00883"/>
<QuasiParabolic ID="3" StartDistance="6552.861" EndDistance="6586.0" A="3.9135494E10" B="-1.2012677E7" C="921.83636" Error="0.00883"/>
<QuasiParabolic ID="4" StartDistance="6586.0" EndDistance="6588.0" A="-8.9867977E11" B="2.72777856E8" C="-20699.066" Error="0.00283"/>
<QuasiParabolic ID="5" StartDistance="6588.0" EndDistance="6591.0" A="1.41046212E13" B="-4.2819584E9" C="324985.22" Error="0.0307"/>
<QuasiParabolic ID="6" StartDistance="6591.0" EndDistance="6592.0" A="3.60324583E12" B="-1.09537805E9" C="83247.98" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6592.0" EndDistance="6596.0" A="1.21671673E13" B="-3.6936553E9" C="280326.03" Error="0.00204"/>
<QuasiParabolic ID="8" StartDistance="6596.0" EndDistance="6604.0" A="2.45030757E13" B="-7.4340762E9" C="563863.1" Error="0.0189"/>
<QuasiParabolic ID="9" StartDistance="6604.0" EndDistance="6618.0" A="2.00490101E13" B="-6.0851768E9" C="461735.7" Error="0.0355"/>
<QuasiParabolic ID="10" StartDistance="6618.0" EndDistance="6626.463" A="-6.7995007E13" B="2.05222625E10" C="-1548497.0" Error="0.00862"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="109.291" Depth="0.154"/>
<TopsideChapman PeakHeight="256.463" PeakDensity="137166.56" PeakScaleHeight="10.759" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
