<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-14 -104 22:00:00.000"
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="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 11 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 100%</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.04.14 (104) 22:00:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202610404142200001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.275" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.992" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="17.067" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.425" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.425" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.700" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.150" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="243.233" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.477" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.425" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.425" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="207.710" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="188.319" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.552" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="27.550" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.413" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="14.813" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="24.330" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.210" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="75">
<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 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
190.000 190.000 190.000 190.000 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 193.333 194.167 195.000 195.000 195.455 195.909 196.364 196.818 197.273 197.727 198.182 198.636 199.091 199.545 200.000 200.000 200.000 200.000 202.500 202.500 202.500 202.500 202.500 205.000 205.000 205.000 205.000 207.500 207.500 207.500 207.500 210.000 210.000 210.000 212.500 212.500 212.500 212.500 217.500 217.500 217.500 217.500 220.000 220.000 222.500 222.500 225.000 225.000 227.500 230.000 230.000 230.000 235.000 235.000 237.500 240.000 243.233 247.097 251.797 257.637 265.088 274.925
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 66 57 57 54 0 54 0 0 0 51 54 51 0 0 45 30 0 0 0 0 0 0 0 0 0 0 66 69 72 96 96 75 75 75 75 84 87 90 87 87 90 78 75 90 90 87 84 72 69 72 63 57 57 63 60 75 78 84 84 84 84 93 96 96 96 78 78 78 81 75 75 60 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 3.125 3.125 -3.125 -3.125 -3.125 9.375 -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="355">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
91.828 92.0 93.0 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 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 207.71 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.207887 0.25027263 0.2857403 0.31546703 0.340815 0.36272147 0.381826 0.39855874 0.41322815 0.4260631 0.4372304 0.44685483 0.45503786 0.46185276 0.4673592 0.4715994 0.4746069 0.4764029 0.477 0.4766643 0.47578168 0.47418 0.47200248 0.46916062 0.46564236 0.46150842 0.4566693 0.45112407 0.44488043 0.43780553 0.42997077 0.42125234 0.4116828 0.40116253 0.38949606 0.37678987 0.3627003 0.352 0.352 0.352 0.352 0.352 0.352 0.352 0.352 0.352 0.352 0.352 0.352 0.352 0.352 0.352 0.352 0.352 0.352 0.352 0.352 0.352 0.3564643 0.3631607 0.36985713 0.37655357 0.38325 0.38994643 0.39664286 0.4033393 0.4100357 0.41673213 0.42342857 0.430125 0.43682143 0.44351786 0.4502143 0.4569107 0.46360713 0.47030357 0.477 0.54886156 0.6103659 0.6697088 0.7296035 0.7915733 0.8567653 0.92622685 1.0009964 1.082202 1.1711128 1.2690802 1.3776008 1.4981858 1.6320351 1.7797582 1.9406224 2.1123097 2.290576 2.4703174 2.646556 2.815374 2.974397 3.1224253 3.259146 3.3847327 3.4996839 3.6045837 3.7000375 3.7866118 3.864845 3.9352028 3.998106 4.0539193 4.1029415 4.1454415 4.1816506 4.211751 4.2358904 4.2541847 4.266727 4.273575 4.275 4.274841 4.2718916 4.265347 4.255372 4.2421317 4.2257924 4.206519 4.184476 4.159825 4.132725 4.103332 4.0717998 4.038276 4.0029063 3.9658308 3.927185 3.8871002 3.8457022 3.8031123 3.7594469 3.7148168 3.6693287 3.6230838 3.5761786 3.5287044 3.4807484 3.4323926 3.3837152 3.334789 3.2856836 3.236464 3.1871912 3.1379223 3.0887108 3.0396068 2.9906569 2.9419043 2.8933895 2.8451493 2.7972183 2.7496285 2.7024086 2.6555855 2.6091838 2.5632255 2.5177307 2.4727178 2.4282029 2.3842008 2.3407245 2.2977853 2.2553933 2.2135568 2.1722836 2.1315796 2.0914497 2.0518982 2.012928 1.9745413 1.9367391 1.8995221 1.8628899 1.8268417 1.7913759 1.7564902 1.7221823 1.6884488 1.6552862 1.6226904 1.5906572 1.5591817 1.5282589 1.4978837 1.4680501 1.4387527 1.4099853 1.3817418 1.3540157 1.3268007 1.3000903 1.2738775 1.2481557 1.222918 1.1981575 1.1738673 1.1500403 1.1266694 1.1037476 1.0812681 1.0592237 1.0376072 1.0164119 0.99563074 0.97525674 0.9552831 0.9357029 0.91650945 0.8976959 0.87925565 0.8611821 0.84346867 0.8261089 0.80909634 0.79242474 0.7760878 0.7600794 0.7443934 0.72902375 0.71396464 0.6992101 0.68475443 0.6705919 0.65671694 0.6431241 0.6298079 0.61676294 0.60398406 0.59146607 0.57920384 0.5671924 0.55542684 0.5439023 0.53261405 0.5215574 0.5107278 0.5001207 0.4897317 0.4795564 0.46959063 0.4598301 0.45027074 0.4409085 0.43173942 0.4227596 0.4139652 0.4053525 0.39691782 0.38865757 0.38056818 0.37264618 0.3648882 0.35729086 0.3498509 0.34256512 0.33543035 0.32844353 0.3216016 0.31490162 0.30834067 0.3019159 0.29562452 0.2894638 0.28343102 0.27752358 0.2717389 0.26607442 0.2605277 0.25509632 0.24977784 0.24457 0.23947047 0.23447703 0.2295875 0.22479971 0.22011156 0.215521 0.211026 0.20662458 0.20231481 0.1980948 0.19396266 0.1899166 0.18595481 0.18207556 0.17827712 0.17455783 0.17091604 0.16735014 0.16385855 0.16043973 0.15709218 0.1538144 0.15060495 0.14746241 0.14438538 0.14137252 0.13842246 0.13553393 0.13270561 0.1299363 0.12722471 0.1245697 0.12197004 0.11942462 0.11693228 0.114491925 0.11210247 0.10976287 0.10747207 0.10522906 0.103032835 0.10088243 0.09877689 0.09671528 0.094696686 0.0927202 0.09078496 0.08889009 0.08703477 0.085218154 0.08343945 0.08169785 0.0799926 0.07832294 0.07668811 0.075087406 0.0735201 0.071985506 0.07048293 0.06901172 0.06757121 0.06616076 0.06477974 0.06342755 0.062103588 0.06080725 0.059537966 0.058295175 0.057078324 0.05588687 0.054720283 0.05357804 0.052459642 0.05136459 0.050292388

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.477" PeakHeight="110.0" Num="3" Error="0.0">
-21.906 4.092 -0.358
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.477" EndFrequency="4.275" PeakHeight="207.71" Num="5" zHalfNm="188.319" Error="0.813">
-45.617 6.506 -4.123 1.437 0.087
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.005" EndDistance="6480.001" A="-9.9732495E11" B="3.07816352E8" C="-23751.033" Error="0.00899"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6498.667" A="-5.26921794E11" B="1.62630192E8" C="-12548.397" Error="7.08E-4"/>
<QuasiParabolic ID="2" StartDistance="6498.667" EndDistance="6517.333" A="0.0" B="-3052.009" C="0.5936279" Error="0.0116"/>
<QuasiParabolic ID="3" StartDistance="6517.333" EndDistance="6532.0" A="1.71189633E11" B="-5.2699328E7" C="4055.8494" Error="0.0117"/>
<QuasiParabolic ID="4" StartDistance="6532.0" EndDistance="6534.0" A="-1.48308794E12" B="4.5381552E8" C="-34715.957" Error="9.39E-4"/>
<QuasiParabolic ID="5" StartDistance="6534.0" EndDistance="6539.0" A="1.59062698E13" B="-4.8689142E9" C="372594.25" Error="0.0182"/>
<QuasiParabolic ID="6" StartDistance="6539.0" EndDistance="6541.0" A="-2.96392229E11" B="8.6786176E7" C="-6339.869" Error="0.0103"/>
<QuasiParabolic ID="7" StartDistance="6541.0" EndDistance="6547.0" A="2.27688128E13" B="-6.9657155E9" C="532759.75" Error="0.012"/>
<QuasiParabolic ID="8" StartDistance="6547.0" EndDistance="6557.0" A="7.1205936E13" B="-2.17624535E10" C="1662799.2" Error="0.0181"/>
<QuasiParabolic ID="9" StartDistance="6557.0" EndDistance="6577.71" A="-4.5185614E13" B="1.37390111E10" C="-1044343.0" Error="0.00873"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="56.0" Depth="0.125"/>
<TopsideChapman PeakHeight="207.71" PeakDensity="226744.73" PeakScaleHeight="14.813" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
