<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-03 -123 22:20:00.000"
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" >
2026.05.03 (123) 22:20:00</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">
FF202612305032220001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.800" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.809" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.475" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.975" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.975" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.150" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="220.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="220.000" 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="3.600" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="252.922" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.975" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.975" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="231.145" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="212.776" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.019" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="26.262" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.066" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="14.100" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="24.240" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.850" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="34">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
220.000 220.000 221.250 222.500 222.500 222.500 225.000 225.000 227.500 227.500 227.500 230.000 230.000 232.500 232.500 235.000 235.000 237.500 240.000 242.500 242.500 242.500 247.500 247.500 250.000 252.922 256.364 260.478 265.482 271.700 279.633 290.107 304.573 325.854
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
60 60 0 69 72 75 72 72 72 72 87 84 72 69 84 81 84 81 81 81 72 72 75 72 69 69 57 54 66 66 51 51 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 -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="360">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 135.66667 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 161.33333 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 231.145 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0
</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 0.353812 0.35324875 0.3523882 0.35108605 0.34949994 0.34749252 0.3450799 0.34228173 0.3391207 0.33555436 0.33154994 0.32708573 0.3222145 0.31684378 0.31099588 0.3045735 0.29760364 0.290026 0.28171796 0.27274016 0.2629728 0.2523031 0.24063194 0.22781542 0.21374473 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 0.204 0.21 0.216 0.222 0.228 0.234 0.24 0.246 0.252 0.258 0.264 0.27 0.276 0.282 0.288 0.294 0.3 0.306 0.312 0.318 0.324 0.33 0.336 0.342 0.348 0.354 0.39437625 0.43917066 0.48770925 0.5394259 0.5940043 0.6513503 0.71150213 0.7746284 0.841023 0.9109723 0.9848886 1.0631745 1.1463199 1.2347947 1.3291073 1.4297361 1.5370265 1.6512526 1.772336 1.8998694 2.0329216 2.1700308 2.309186 2.4480853 2.5844197 2.7160382 2.8412952 2.9589975 3.068473 3.169402 3.2617748 3.345741 3.421571 3.48957 3.5500681 3.603383 3.6498191 3.6896284 3.7230551 3.7502847 3.7714798 3.786767 3.7962363 3.7999396 3.8 3.798653 3.7937546 3.7854354 3.7738657 3.7592168 3.7416587 3.721361 3.6984906 3.6732118 3.645686 3.61607 3.5845172 3.5511758 3.51619 3.4796984 3.4418342 3.4027262 3.3624969 3.321264 3.2791395 3.2362304 3.192638 3.148458 3.103782 3.0586958 3.0132806 2.9676127 2.9217637 2.8758008 2.829787 2.7837813 2.7378383 2.6920087 2.6463404 2.6008768 2.5556586 2.510723 2.4661045 2.4218345 2.3779416 2.3344524 2.2913902 2.2487767 2.2066314 2.1649714 2.123812 2.083167 2.0430484 2.0034664 1.9644299 1.9259462 1.8880218 1.8506616 1.8138696 1.7776483 1.742 1.7069255 1.672425 1.638498 1.6051431 1.5723583 1.5401412 1.5084888 1.4773972 1.4468627 1.4168807 1.3874464 1.3585546 1.3301998 1.3023765 1.2750784 1.2482995 1.2220333 1.1962732 1.1710125 1.1462445 1.1219622 1.0981585 1.0748262 1.0519584 1.0295478 1.0075872 0.98606914 0.96498656 0.94433224 0.92409885 0.90427923 0.8848662 0.86585253 0.84723127 0.8289953 0.8111376 0.79365134 0.7765296 0.75976557 0.74335253 0.72728384 0.711553 0.69615346 0.6810788 0.66632277 0.6518791 0.6377416 0.62390435 0.61036134 0.59710664 0.5841346 0.5714393 0.55901545 0.54685736 0.5349596 0.523317 0.5119242 0.5007762 0.48986775 0.47919407 0.46875027 0.45853153 0.4485332 0.43875065 0.4291794 0.41981497 0.41065308 0.4016894 0.3929198 0.38434017 0.3759465 0.3677348 0.35970125 0.35184208 0.34415355 0.336632 0.32927394 0.3220758 0.31503424 0.30814582 0.3014073 0.2948155 0.2883672 0.28205937 0.27588898 0.26985306 0.26394868 0.25817305 0.2525234 0.24699697 0.24159111 0.23630323 0.23113076 0.22607121 0.22112213 0.21628113 0.21154587 0.20691405 0.20238341 0.1979518 0.19361702 0.189377 0.18522964 0.18117298 0.177205 0.1733238 0.16952747 0.16581418 0.16218211 0.15862949 0.1551546 0.15175574 0.14843124 0.1451795 0.14199892 0.13888794 0.13584507 0.13286878 0.12995766 0.12711026 0.12432519 0.12160111 0.118936665 0.116330564 0.11378153 0.11128831 0.10884969 0.106464475 0.1041315 0.101849616 0.09961771 0.0974347 0.09529949 0.09321106 0.091168374 0.08917043 0.087216265 0.0853049 0.08343541 0.08160687 0.079818405 0.07806911 0.07635815 0.074684665 0.073047854 0.0714469 0.06988104 0.06834947 0.066851474 0.065386295 0.06395322 0.06255155 0.0611806 0.059839685 0.058528155 0.057245366 0.05599069 0.054763503 0.053563215 0.052389227 0.05124097 0.050117873

</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="3.8" PeakHeight="231.145" Num="5" zHalfNm="212.776" Error="1.611">
-46.558 4.326 -3.14 1.633 -0.406
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" 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="6505.667" A="-2.30120505E11" B="7.1024848E7" C="-5480.187" Error="0.00139"/>
<QuasiParabolic ID="2" StartDistance="6505.667" EndDistance="6531.333" A="0.0" B="3592.98" C="-0.51227313" Error="0.054"/>
<QuasiParabolic ID="3" StartDistance="6531.333" EndDistance="6556.0" A="1.2795434E10" B="-4055334.0" C="320.9906" Error="0.054"/>
<QuasiParabolic ID="4" StartDistance="6556.0" EndDistance="6558.0" A="1.25876799E13" B="-3.8402007E9" C="292888.5" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6558.0" EndDistance="6568.0" A="9.2606594E12" B="-2.82555571E9" C="215529.19" Error="0.0267"/>
<QuasiParabolic ID="6" StartDistance="6568.0" EndDistance="6584.0" A="3.6374594E13" B="-1.10819308E10" C="844059.56" Error="0.0375"/>
<QuasiParabolic ID="7" StartDistance="6584.0" EndDistance="6601.145" A="-4.1243728E13" B="1.24959314E10" C="-946482.9" Error="0.00634"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="77.0" Depth="0.154"/>
<TopsideChapman PeakHeight="231.145" PeakDensity="179156.33" PeakScaleHeight="14.1" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
