<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-19 -078 05:30:00.000"
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: 40% PACIFIC flags: F2o cusp not found, Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, 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" >
2026.03.19 (078) 05:30:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.18" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202607803190530001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="6.325" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.934" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="24.884" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.200" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.200" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.650" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="230.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="230.000" 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="6.325" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="263.477" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.200" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.200" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="239.933" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="228.618" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.813" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="17.324" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.186" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.583" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="20.650" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.260" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="126">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 3.8 3.825 3.85 3.875 3.9 3.925 3.95 3.975 4.0 4.025 4.05 4.075 4.1 4.125 4.15 4.175 4.2 4.225 4.25 4.275 4.3 4.325 4.35 4.375 4.4 4.425 4.45 4.475 4.5 4.525 4.55 4.575 4.6 4.625 4.65 4.675 4.7 4.725 4.75 4.775 4.8 4.825 4.85 4.875 4.9 4.925 4.95 4.975 5.0 5.025 5.05 5.075 5.1 5.125 5.15 5.175 5.2 5.225 5.25 5.275 5.3 5.325 5.35 5.375 5.4 5.425 5.45 5.475 5.5 5.525 5.55 5.575 5.6 5.625 5.65 5.675 5.7 5.725 5.75 5.775 5.8 5.825 5.85 5.875 5.9 5.925 5.95 5.975 6.0 6.025 6.05 6.075 6.1 6.125 6.15 6.175 6.2 6.225 6.25 6.275 6.3 6.325
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
230.000 230.000 230.000 230.000 230.000 230.000 230.000 230.000 230.000 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 235.000 235.000 235.000 235.000 235.000 235.192 235.385 235.577 235.769 235.962 236.154 236.346 236.538 236.731 236.923 237.115 237.308 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 240.000 240.000 242.500 242.500 241.250 240.000 240.000 241.250 242.500 245.000 246.667 248.333 250.000 251.875 253.750 255.625 257.500 259.375 261.250 263.125 265.000 264.659 264.318 263.977 263.636 263.295 262.955 262.614 262.273 261.932 261.591 261.250 260.909 260.568 260.227 259.886 259.545 259.205 258.864 258.523 258.182 257.841 257.500 257.159 256.818 256.477 256.136 255.795 255.455 255.114 254.773 254.432 254.091 253.750 253.409 253.068 252.727 252.386 252.045 251.705 251.364 251.023 250.682 250.341 250.000 252.500 255.000 257.632 260.263 260.276 260.291 260.308 260.328 260.351 260.379 260.414 260.457 260.513 260.588 260.694 260.853 261.124 261.679 263.477
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
96 96 102 102 99 99 102 102 99 99 99 81 87 90 78 81 90 81 84 93 102 90 0 72 0 84 0 108 102 0 0 93 93 0 93 0 108 111 111 108 111 114 111 111 108 87 0 87 87 69 69 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 63 66 63 66 69 69 69 69 69 72 75 108 108 72 69 102 96 102 105 105 102 105 102 102 99 60 63 63 63 66 63 99 99 96 99 60
</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 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 -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 -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="329">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 239.933 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
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</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="6.325" PeakHeight="239.933" Num="5" zHalfNm="228.618" Error="1.275">
-39.954 -12.094 9.154 -4.174 1.135
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="14" 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="6508.0" A="-1.93482834E11" B="5.9716924E7" C="-4607.662" Error="0.00161"/>
<QuasiParabolic ID="2" StartDistance="6508.0" EndDistance="6536.0" A="0.0" B="592.6458" C="-0.051041197" Error="0.00918"/>
<QuasiParabolic ID="3" StartDistance="6536.0" EndDistance="6538.0" A="-1.89013492E12" B="5.7815149E8" C="-44210.97" Error="0.0388"/>
<QuasiParabolic ID="4" StartDistance="6538.0" EndDistance="6548.0" A="2.26557231E11" B="-6.9352992E7" C="5307.5737" Error="0.0384"/>
<QuasiParabolic ID="5" StartDistance="6548.0" EndDistance="6561.0" A="-2.59742679E10" B="7779416.5" C="-582.1949" Error="0.0155"/>
<QuasiParabolic ID="6" StartDistance="6561.0" EndDistance="6562.0" A="-2.44709405E12" B="7.4581318E8" C="-56826.195" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6562.0" EndDistance="6567.0" A="1.3891107E13" B="-4.23382758E9" C="322603.9" Error="0.0322"/>
<QuasiParabolic ID="8" StartDistance="6567.0" EndDistance="6571.0" A="2.24289924E13" B="-6.8340664E9" C="520581.62" Error="0.0125"/>
<QuasiParabolic ID="9" StartDistance="6571.0" EndDistance="6573.0" A="4.9321261E13" B="-1.50192036E10" C="1143404.4" Error="0.00567"/>
<QuasiParabolic ID="10" StartDistance="6573.0" EndDistance="6595.0" A="3.23705687E13" B="-9.8615316E9" C="751066.6" Error="0.00818"/>
<QuasiParabolic ID="11" StartDistance="6595.0" EndDistance="6608.0" A="8.8092992E13" B="-2.67599155E10" C="2032217.8" Error="0.0109"/>
<QuasiParabolic ID="12" StartDistance="6608.0" EndDistance="6609.0" A="-1.37383991E14" B="4.1483723E10" C="-3131495.8" Error="1.26E-11"/>
<QuasiParabolic ID="13" StartDistance="6609.0" EndDistance="6609.933" A="-2.13265849E15" B="6.4528902E11" C="-4.8812028E7" Error="1.91E-10"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="84.0" Depth="0.154"/>
<TopsideChapman PeakHeight="239.933" PeakDensity="496347.72" PeakScaleHeight="10.583" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
