<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-03 -123 01:50:00.000"
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 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" >
2026.05.03 (123) 01:50:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202612305030150001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.700" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.715" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.747" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.075" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="240.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="240.000" 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="3.550" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="270.832" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="244.480" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="227.586" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.254" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="24.266" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.935" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="12.830" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="24.000" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.180" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="29">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
240.000 241.000 242.000 243.000 244.000 245.000 247.500 247.500 250.000 251.667 253.333 255.000 255.000 255.000 257.500 260.000 260.000 260.000 261.598 263.420 265.518 267.958 270.832 274.266 278.444 283.635 290.258 299.002 311.079
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
75 0 0 0 0 96 93 93 93 0 0 90 96 96 96 84 87 111 108 81 84 87 90 87 84 84 78 0 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 -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="352">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 140.33333 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 170.66667 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 244.48 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0
</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 0.35347393 0.35283697 0.35190412 0.35075444 0.34931904 0.34760568 0.34569573 0.3434548 0.34089813 0.338043 0.33497614 0.33158195 0.3278234 0.3237977 0.31935477 0.31466332 0.30954042 0.30405807 0.29813874 0.29176548 0.28499955 0.27773643 0.26987928 0.2613832 0.2523016 0.2425206 0.23193197 0.22042523 0.20793872 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 0.20169231 0.20676923 0.21184616 0.21692307 0.222 0.22707692 0.23215385 0.23723076 0.2423077 0.24738462 0.25246155 0.25753847 0.26261538 0.2676923 0.27276924 0.27784616 0.28292307 0.288 0.29307693 0.29815385 0.30323076 0.30830768 0.31338462 0.31846154 0.32353845 0.3286154 0.3336923 0.33876923 0.34384614 0.3489231 0.354 0.39323646 0.43707746 0.48518535 0.5371705 0.59273094 0.65165365 0.71381974 0.7792176 0.847874 0.9198996 0.9954089 1.0745418 1.1574186 1.2441875 1.3349277 1.4297131 1.5285463 1.6313273 1.7379079 1.8479643 1.9611025 2.0767353 2.1941407 2.3125212 2.4309108 2.5483387 2.6637754 2.7762113 2.8846934 2.988398 3.086578 3.1785874 3.2639406 3.3422418 3.4131646 3.476505 3.5320992 3.5798388 3.6196554 3.651506 3.675368 3.691226 3.6990767 3.7 3.6994114 3.6950548 3.6866379 3.6743815 3.6585064 3.6392326 3.6167789 3.59136 3.5631871 3.532466 3.4993966 3.4641736 3.4269838 3.3880076 3.3474183 3.3053806 3.262053 3.217585 3.1721194 3.125791 3.0787272 3.0310478 2.9828658 2.9342868 2.8854098 2.8363276 2.7871258 2.7378845 2.6886783 2.6395755 2.5906394 2.5419285 2.4934962 2.4453912 2.3976583 2.350338 2.3034673 2.257079 2.2112029 2.1658654 2.1210907 2.076899 2.0333087 1.9903356 1.9479933 1.906293 1.8652445 1.8248552 1.7851312 1.7460771 1.7076956 1.6699886 1.6329569 1.5965995 1.560915 1.5259008 1.4915537 1.4578694 1.4248433 1.3924698 1.3607429 1.3296562 1.2992027 1.269375 1.2401654 1.2115659 1.1835681 1.1561637 1.1293437 1.1030996 1.077422 1.0523019 1.02773 1.0036972 0.98019385 0.9572108 0.93473864 0.912768 0.89128953 0.870294 0.84977204 0.8297145 0.8101123 0.7909563 0.7722376 0.7539474 0.7360768 0.71861714 0.7015599 0.6848967 0.6686191 0.65271896 0.6371882 0.6220188 0.60720295 0.59273297 0.5786013 0.56480044 0.5513231 0.5381621 0.52531046 0.5127611 0.5005073 0.48854244 0.47685996 0.46545342 0.4543166 0.44344327 0.43282747 0.42246327 0.4123449 0.40246665 0.39282304 0.38340858 0.37421802 0.3652461 0.35648775 0.34793803 0.33959204 0.331445 0.32349232 0.31572938 0.30815172 0.30075505 0.29353505 0.2864876 0.27960864 0.27289414 0.26634026 0.2599432 0.2536992 0.2476047 0.24165614 0.23585004 0.23018304 0.22465181 0.21925315 0.21398391 0.20884098 0.20382138 0.19892217 0.19414046 0.18947348 0.18491848 0.18047278 0.17613378 0.17189893 0.16776574 0.16373178 0.15979469 0.15595213 0.15220186 0.14854167 0.14496939 0.14148293 0.13808024 0.13475929 0.13151814 0.12835486 0.12526761 0.12225456 0.11931392 0.11644396 0.11364298 0.11090934 0.10824141 0.10563762 0.10309642 0.10061632 0.09819585 0.09583358 0.093528114 0.091278076 0.08908215 0.08693903 0.08484745 0.08280617 0.08081398 0.07886971 0.07697219 0.075120315 0.073312975 0.07154911 0.06982767 0.06814764 0.06650802 0.064907834 0.06334615 0.061822023 0.060334563 0.058882885 0.05746613 0.056083456 0.054734044 0.053417094 0.052131828 0.05087748

</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="3.7" PeakHeight="244.48" Num="5" zHalfNm="227.586" Error="0.688">
-43.958 0.932 -0.849 0.608 -0.213
</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="6510.333" A="-1.64983013E11" B="5.0920684E7" C="-3928.9397" Error="0.00156"/>
<QuasiParabolic ID="2" StartDistance="6510.333" EndDistance="6540.667" A="0.0" B="197.61018" C="0.009669664" Error="0.00294"/>
<QuasiParabolic ID="3" StartDistance="6540.667" EndDistance="6542.0" A="-1.49651128E12" B="4.57460096E8" C="-34959.555" Error="0.00532"/>
<QuasiParabolic ID="4" StartDistance="6542.0" EndDistance="6544.0" A="8.3890012E11" B="-2.5651464E8" C="19608.98" Error="0.00962"/>
<QuasiParabolic ID="5" StartDistance="6544.0" EndDistance="6546.0" A="-3.81115761E11" B="1.16350848E8" C="-8880.131" Error="0.00877"/>
<QuasiParabolic ID="6" StartDistance="6546.0" EndDistance="6570.0" A="5.9803361E10" B="-1.8363212E7" C="1409.6686" Error="0.00961"/>
<QuasiParabolic ID="7" StartDistance="6570.0" EndDistance="6573.0" A="1.19884963E13" B="-3.64962432E9" C="277761.34" Error="9.89E-4"/>
<QuasiParabolic ID="8" StartDistance="6573.0" EndDistance="6576.0" A="7.1868938E12" B="-2.18861645E9" C="166624.28" Error="0.00634"/>
<QuasiParabolic ID="9" StartDistance="6576.0" EndDistance="6581.0" A="1.25196336E13" B="-3.810496E9" C="289942.38" Error="0.00219"/>
<QuasiParabolic ID="10" StartDistance="6581.0" EndDistance="6588.0" A="2.22124803E13" B="-6.756202E9" C="513746.22" Error="0.00993"/>
<QuasiParabolic ID="11" StartDistance="6588.0" EndDistance="6597.0" A="3.44252702E13" B="-1.04637891E10" C="795135.56" Error="0.00645"/>
<QuasiParabolic ID="12" StartDistance="6597.0" EndDistance="6605.0" A="-9.9301909E12" B="2.98337229E9" C="-224051.98" Error="0.00607"/>
<QuasiParabolic ID="13" StartDistance="6605.0" EndDistance="6614.48" A="-5.4146401E13" B="1.63720806E10" C="-1237580.2" Error="0.00269"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="91.0" Depth="0.154"/>
<TopsideChapman PeakHeight="244.48" PeakDensity="169851.11" PeakScaleHeight="12.83" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
