<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-02 -122 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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 75%</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.02 (122) 22:05:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.20" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202612205022205001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="28" >
<URSI ID="00" Val="4.650" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.745" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="17.415" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.425" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="30" Val="3.375" Name="foEs" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.275" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.025" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="215.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="215.000" Name="h`F2" Units="km" QL="/" DL="/" />
<URSI ID="34" Val="92.500" Name="h`Es" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.450" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="265.274" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.366" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.275" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.275" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="234.332" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="212.455" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.304" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<Custom Name="fminEs" Val="2.425" Description="Minimum frequency of Es-layer" Units="MHz" />
<URSI ID="94" Val="31.179" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.882" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="16.867" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="27.450" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.360" Name="B1" QL="/" DL="/" />
<URSI ID="32" Val="3.275" Name="fbEs" Units="MHz" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="2">
<Trace Type="standard" Layer="F2" Polarization="O" Num="56">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
215.000 217.500 217.500 217.500 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 222.500 222.500 223.750 225.000 226.250 227.500 227.500 228.333 229.167 230.000 230.000 232.500 232.500 235.000 237.500 237.500 237.500 237.500 237.500 237.500 240.000 242.500 242.500 243.333 244.167 245.000 247.500 248.939 250.530 252.300 254.279 256.508 259.037 261.931 265.274 269.182 273.808 279.373 286.193 294.748 305.796 320.612 341.519
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
78 78 0 72 69 0 0 81 66 69 72 69 66 66 60 0 57 0 60 63 0 0 69 69 72 72 90 84 66 63 0 78 78 0 90 87 0 0 78 78 0 0 0 78 66 69 48 45 48 45 69 66 78 0 75 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 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>
<Trace Type="standard" Layer="Es" Polarization="O" Num="39">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
92.500 92.500 92.500 92.500 92.500 93.750 95.000 95.000 93.750 92.500 95.000 95.000 95.000 95.000 95.000 95.000 95.000 95.000 95.000 95.000 95.000 95.000 95.000 95.000 95.000 95.000 95.000 95.000 95.000 95.000 95.000 95.000 95.000 95.000 92.500 92.500 95.000 95.000 95.000
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
63 0 0 75 63 0 63 63 0 63 63 0 0 0 75 72 0 51 0 0 0 0 0 0 0 0 0 0 0 72 72 0 0 72 84 87 75 72 72
</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 -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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="416">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.245 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 134.5 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 183.5 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 234.332 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.21943033 0.24192928 0.26130775 0.27813238 0.29282972 0.3057073 0.31699932 0.32687333 0.33545974 0.34285808 0.34914356 0.35437724 0.35860384 0.3618577 0.3641645 0.36554202 0.366 0.36579737 0.3651902 0.3641013 0.36261892 0.36071324 0.3583983 0.35557526 0.35234678 0.34859017 0.34434578 0.33965877 0.33444202 0.32863238 0.3222573 0.31530273 0.30767405 0.2992883 0.29012546 0.280136 0.269219 0.2572206 0.2440051 0.22935106 0.21309906 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 0.20677552 0.21355101 0.22032653 0.22710204 0.23387755 0.24065307 0.24742857 0.2542041 0.2609796 0.2677551 0.27453062 0.28130612 0.28808165 0.29485714 0.30163264 0.30840817 0.31518367 0.3219592 0.3287347 0.3355102 0.34228572 0.34906122 0.35583675 0.36261225 0.366 0.38370675 0.42322963 0.46790883 0.5170294 0.5698141 0.6256601 0.68422663 0.74539 0.8092296 0.8759373 0.9458055 1.0191846 1.0965255 1.1783326 1.2651825 1.3577232 1.4566634 1.5627896 1.6768829 1.7997345 1.9319924 2.0739977 2.225525 2.3855634 2.5521758 2.7222784 2.892354 3.0586889 3.2182667 3.3689423 3.5094683 3.6394176 3.7588475 3.8681748 3.967931 4.0587263 4.1412067 4.2158923 4.2833505 4.3440185 4.3983274 4.446637 4.4892488 4.526444 4.558438 4.585425 4.6075673 4.6249843 4.637778 4.6460195 4.649753 4.65 4.6492934 4.6456513 4.6390166 4.629511 4.6172566 4.602376 4.584991 4.5652223 4.543191 4.519015 4.4928107 4.4646935 4.434776 4.4031677 4.369976 4.335306 4.299259 4.2619333 4.223425 4.1838255 4.1432247 4.1017084 4.059359 4.0162563 3.9724765 3.9280925 3.8831742 3.8377883 3.791999 3.745867 3.69945 3.6528032 3.6059785 3.5590258 3.5119917 3.4649208 3.4178548 3.3708334 3.3238935 3.2770705 3.230397 3.1839037 3.1376195 3.0915713 3.0457845 3.000282 2.9550858 2.9102156 2.8656907 2.8215277 2.7777424 2.7343495 2.6913621 2.648792 2.6066504 2.564947 2.5236902 2.4828887 2.4425485 2.4026763 2.3632772 2.3243554 2.2859151 2.2479591 2.2104897 2.1735094 2.1370187 2.1010187 2.0655096 2.030491 1.9959627 1.9619232 1.9283713 1.895305 1.8627223 1.8306206 1.7989975 1.7678497 1.7371742 1.7069674 1.6772256 1.6479452 1.6191219 1.5907518 1.5628304 1.5353534 1.5083162 1.4817141 1.4555423 1.4297961 1.4044706 1.3795607 1.3550614 1.3309678 1.3072746 1.2839768 1.2610692 1.2385466 1.216404 1.1946359 1.1732374 1.1522032 1.1315281 1.1112071 1.0912349 1.0716064 1.0523167 1.0333605 1.0147328 0.99642885 0.97844344 0.9607718 0.94340897 0.9263501 0.9095904 0.89312524 0.87694985 0.86105955 0.84544975 0.8301159 0.8150536 0.8002582 0.78572553 0.7714511 0.75743073 0.7436601 0.7301351 0.71685153 0.7038054 0.6909926 0.67840934 0.66605157 0.65391546 0.6419973 0.63029325 0.61879975 0.60751307 0.59642965 0.585546 0.57485867 0.56436414 0.5540592 0.5439404 0.53400457 0.5242485 0.514669 0.505263 0.49602732 0.48695913 0.47805536 0.46931314 0.46072963 0.45230195 0.44402736 0.43590316 0.42792666 0.4200952 0.4124062 0.40485716 0.39744553 0.39016885 0.38302472 0.37601075 0.36912462 0.362364 0.35572666 0.3492104 0.34281301 0.33653235 0.3303663 0.32431284 0.3183699 0.3125355 0.30680764 0.30118445 0.295664 0.29024443 0.28492394 0.2797007 0.27457297 0.269539 0.26459712 0.2597456 0.25498286 0.25030726 0.2457172 0.24121115 0.23678757 0.23244496 0.22818185 0.22399679 0.21988836 0.21585517 0.21189582 0.208009 0.20419337 0.20044763 0.19677052 0.19316077 0.18961717 0.1861385 0.18272355 0.17937121 0.17608029 0.1728497 0.16967832 0.16656506 0.16350888 0.1605087 0.15756355 0.1546724 0.15183423 0.14904812 0.14631309 0.14362821 0.14099257 0.13840526 0.1358654 0.13337211 0.13092457 0.1285219 0.1261633 0.12384797 0.1215751 0.11934393 0.11715368 0.11500361 0.11289298 0.110821076 0.10878717 0.10679059 0.10483063 0.10290664 0.10101794 0.09916389 0.09734386 0.09555723 0.093803376 0.0920817 0.09039162 0.088732556 0.087103926 0.08550519 0.08393578 0.08239517 0.08088284 0.07939825 0.07794091 0.07651032 0.07510597 0.07372741 0.072374135 0.0710457 0.06974164 0.068461515 0.06720488 0.06597131 0.06476038 0.06357168 0.062404785 0.06125931 0.06013486 0.059031047 0.057947494 0.056883827 0.05583968 0.0548147 0.053808533 0.05282083 0.051851258 0.05089948

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.366" PeakHeight="110.0" Num="3" Error="0.0">
-19.207 2.613 -0.161
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.366" EndFrequency="4.65" PeakHeight="234.332" Num="5" zHalfNm="212.455" Error="1.706">
-55.503 8.149 -5.477 2.741 -0.742
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.0127" EndDistance="6480.001" A="-5.8769067E11" B="1.81386016E8" C="-13995.701" Error="0.0025"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6504.5" A="-2.78147334E11" B="8.5847944E7" C="-6623.936" Error="0.00151"/>
<QuasiParabolic ID="2" StartDistance="6504.5" EndDistance="6529.0" A="0.0" B="-288.07947" C="0.084266596" Error="0.00359"/>
<QuasiParabolic ID="3" StartDistance="6529.0" EndDistance="6551.0" A="8.4742791E10" B="-2.6072564E7" C="2005.4192" Error="0.00649"/>
<QuasiParabolic ID="4" StartDistance="6551.0" EndDistance="6554.0" A="2.99279293E12" B="-9.1389126E8" C="69767.49" Error="0.0411"/>
<QuasiParabolic ID="5" StartDistance="6554.0" EndDistance="6557.0" A="1.50889656E13" B="-4.6051251E9" C="351369.1" Error="0.0383"/>
<QuasiParabolic ID="6" StartDistance="6557.0" EndDistance="6559.0" A="2.37277954E11" B="-7.5099704E7" C="5934.7993" Error="0.0162"/>
<QuasiParabolic ID="7" StartDistance="6559.0" EndDistance="6563.0" A="1.31050483E13" B="-3.99879859E9" C="305042.8" Error="0.0106"/>
<QuasiParabolic ID="8" StartDistance="6563.0" EndDistance="6570.0" A="1.96657598E13" B="-5.998101E9" C="457359.0" Error="0.0174"/>
<QuasiParabolic ID="9" StartDistance="6570.0" EndDistance="6581.0" A="6.6827619E13" B="-2.03548303E10" C="1549956.5" Error="0.013"/>
<QuasiParabolic ID="10" StartDistance="6581.0" EndDistance="6604.332" A="-4.2445836E13" B="1.28539372E10" C="-973122.8" Error="0.00757"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="73.5" Depth="0.166"/>
<TopsideChapman PeakHeight="234.332" PeakDensity="268269.22" PeakScaleHeight="16.867" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
