<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-07 -127 22:05:00.000"
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 33 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 60% PACIFIC flags: 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" >
2026.05.07 (127) 22:05:00</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">
FF202612705072205001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="5.000" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.955" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="19.773" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.525" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="190.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="190.000" 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="0.250" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.725" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="236.163" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.356" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="214.240" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="189.264" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.304" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="35.191" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.426" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="19.166" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="28.260" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="4.430" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="121">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.0 2.025 2.05 2.075 2.1 2.125 2.15 2.175 2.2 2.225 2.25 2.275 2.3 2.325 2.35 2.375 2.4 2.425 2.45 2.475 2.5 2.525 2.55 2.575 2.6 2.625 2.65 2.675 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 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 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
190.000 190.000 190.000 190.000 190.000 190.000 190.000 191.250 192.500 190.000 190.000 190.000 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 195.000 195.000 193.750 192.500 195.000 195.000 195.000 195.000 195.000 195.000 195.000 195.000 195.000 195.000 197.500 197.500 197.500 197.500 197.500 197.500 197.500 197.500 197.500 200.000 200.000 200.000 200.000 200.000 200.000 200.000 200.000 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 203.750 205.000 205.000 205.000 205.000 205.000 205.000 207.500 207.500 207.500 207.500 210.000 210.000 210.417 210.833 211.250 211.667 212.083 212.500 213.333 214.167 215.000 215.000 217.500 217.500 220.000 220.000 220.000 222.500 222.500 225.000 225.000 227.500 227.500 228.874 230.398 232.098 234.006 236.163 238.621 241.448 244.733 248.599 253.213 258.816 265.765 274.610 286.250 302.258 325.663
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
42 0 39 0 51 63 60 0 60 48 0 30 30 0 0 0 0 0 0 0 45 42 0 45 48 51 51 42 45 45 45 45 48 36 36 48 42 36 45 48 48 48 48 60 60 60 63 51 51 54 54 51 51 48 48 45 0 0 33 60 60 51 48 66 72 72 72 72 72 60 57 0 54 66 66 81 81 93 93 69 69 81 72 51 0 0 0 0 0 75 0 0 66 66 75 66 60 39 42 57 57 75 78 75 72 57 54 0 78 63 69 78 84 81 78 78 78 66 63 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-3.125 -3.125 3.125 -3.125 -3.125 -3.125 -3.125 3.125 -3.125 3.125 3.125 -3.125 -3.125 3.125 -3.125 3.125 -9.375 3.125 -3.125 -3.125 3.125 -3.125 3.125 -3.125 3.125 3.125 3.125 -3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 -3.125 3.125 -3.125 3.125 3.125 3.125 3.125 3.125 -3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 -3.125 3.125 -3.125 3.125 3.125 -3.125 3.125 -3.125 3.125 3.125 3.125 3.125 3.125 3.125 9.375 -3.125 3.125 3.125 -3.125 -3.125 3.125 3.125 3.125 -3.125 3.125 3.125 3.125 3.125 -3.125 -3.125 -3.125 -3.125 3.125 -3.125 3.125 3.125 3.125 -3.125 3.125 -3.125 3.125 -3.125 -3.125 3.125 3.125 -3.125 3.125 -3.125 -3.125 -3.125 -3.125 3.125 3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="438">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.456 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 128.66667 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 147.33333 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 214.24 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0
</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="0.356" PeakHeight="110.0" Num="3" Error="0.0">
-18.863 2.464 -0.145
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.356" EndFrequency="5.0" PeakHeight="214.24" Num="5" zHalfNm="189.264" Error="0.727">
-58.092 16.858 -9.757 3.225 -0.474
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="13" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.021" EndDistance="6480.001" A="-5.5636722E11" B="1.71718272E8" C="-13249.74" Error="0.00182"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6498.667" A="-2.9267755E11" B="9.0332576E7" C="-6969.98" Error="8.31E-4"/>
<QuasiParabolic ID="2" StartDistance="6498.667" EndDistance="6517.333" A="0.0" B="-474.51318" C="0.14224346" Error="0.00385"/>
<QuasiParabolic ID="3" StartDistance="6517.333" EndDistance="6535.0" A="5.7284174E10" B="-1.7684966E7" C="1364.9612" Error="0.00385"/>
<QuasiParabolic ID="4" StartDistance="6535.0" EndDistance="6538.0" A="1.12760036E13" B="-3.45111117E9" C="264060.16" Error="0.00224"/>
<QuasiParabolic ID="5" StartDistance="6538.0" EndDistance="6540.0" A="3.89429409E12" B="-1.19301683E9" C="91370.164" Error="0.0069"/>
<QuasiParabolic ID="6" StartDistance="6540.0" EndDistance="6545.0" A="1.30442037E13" B="-3.99115443E9" C="305295.06" Error="0.00941"/>
<QuasiParabolic ID="7" StartDistance="6545.0" EndDistance="6548.0" A="3.6849297E13" B="-1.12654377E10" C="861008.06" Error="0.00306"/>
<QuasiParabolic ID="8" StartDistance="6548.0" EndDistance="6550.0" A="7.5682416E13" B="-2.31265014E10" C="1766709.2" Error="1.82E-4"/>
<QuasiParabolic ID="9" StartDistance="6550.0" EndDistance="6552.0" A="1.50822927E14" B="-4.607017E10" C="3518134.2" Error="0.00144"/>
<QuasiParabolic ID="10" StartDistance="6552.0" EndDistance="6555.0" A="2.54819621E14" B="-7.7815194E10" C="5940678.5" Error="0.00313"/>
<QuasiParabolic ID="11" StartDistance="6555.0" EndDistance="6568.0" A="-6.9836932E13" B="2.12409651E10" C="-1615092.1" Error="0.00626"/>
<QuasiParabolic ID="12" StartDistance="6568.0" EndDistance="6584.24" A="-3.30835186E13" B="1.00493056E10" C="-763108.25" Error="0.00307"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="56.0" Depth="0.093"/>
<TopsideChapman PeakHeight="214.24" PeakDensity="310173.7" PeakScaleHeight="19.166" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
