<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-07 -127 08:00:00.000"
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="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" >
2026.05.07 (127) 08:00:00</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">
FF202612705070800001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.250" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.640" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.831" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.950" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.950" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.650" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="267.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="267.500" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.150" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="285.601" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.950" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.950" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="254.968" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="237.334" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.432" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="25.265" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.755" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="13.314" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="25.240" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.120" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="13">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
267.500 269.167 270.833 272.500 274.256 276.327 278.807 281.832 285.601 290.428 296.832 305.736 318.959
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
75 0 0 75 75 102 102 93 93 105 99 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="366">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 143.59 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 177.18 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 210.77 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 254.968 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0
</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 0.35354906 0.35306174 0.35235173 0.35134748 0.35020202 0.3488452 0.34720993 0.345377 0.34335393 0.34107903 0.3385647 0.33582452 0.33280692 0.32953215 0.32602188 0.32223752 0.3182087 0.3138509 0.30920905 0.30424985 0.29893047 0.29327866 0.28731212 0.28087455 0.27404287 0.26670367 0.2589194 0.25054753 0.24161287 0.23198177 0.22164391 0.21052603 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 0.2 0.2 0.2 0.2 0.20375945 0.20834415 0.21292885 0.21751355 0.22209825 0.22668295 0.23126765 0.23585233 0.24043703 0.24502173 0.24960643 0.25419113 0.25877583 0.26336053 0.26794523 0.27252993 0.27711463 0.28169933 0.286284 0.2908687 0.2954534 0.3000381 0.3046228 0.3092075 0.3137922 0.3183769 0.3229616 0.3275463 0.332131 0.3367157 0.3413004 0.3458851 0.35046977 0.354 0.36207563 0.39923447 0.4397105 0.48344976 0.5304236 0.580594 0.6339325 0.69041646 0.7500552 0.8128342 0.87875026 0.9477863 1.0199237 1.0951432 1.1733494 1.2544527 1.3383111 1.4247711 1.5136012 1.6045332 1.6972313 1.7913413 1.8864471 1.9820722 2.0777433 2.1729033 2.2670112 2.3595264 2.4498837 2.5375185 2.6219473 2.7026198 2.779094 2.8509197 2.9177213 2.9791312 3.0348375 3.0845702 3.1280885 3.1652 3.1957371 3.21957 3.2365975 3.2467542 3.25 3.249998 3.2481241 3.2428446 3.234332 3.22276 3.2083018 3.1911306 3.1714172 3.1493297 3.125033 3.0986881 3.0704517 3.0404756 3.0089068 2.9758863 2.9415503 2.9060283 2.8694453 2.8319194 2.7935634 2.7544844 2.7147837 2.6745567 2.6338937 2.5928795 2.551594 2.5101113 2.4685016 2.4268293 2.3851557 2.3435366 2.3020241 2.2606664 2.2195077 2.1785893 2.1379483 2.0976188 2.0576324 2.0180173 1.978799 1.9400008 1.901643 1.8637445 1.8263215 1.7893882 1.7529573 1.7170397 1.6816444 1.6467793 1.6124506 1.5786633 1.5454214 1.5127276 1.4805835 1.44899 1.417947 1.3874536 1.3575081 1.3281083 1.2992513 1.2709337 1.2431514 1.2159001 1.1891749 1.1629707 1.1372818 1.1121025 1.0874267 1.0632479 1.0395598 1.0163556 0.9936285 0.9713714 0.94957733 0.928239 0.9073492 0.8869007 0.86688614 0.84729815 0.8281293 0.8093723 0.7910198 0.77306443 0.75549895 0.73831606 0.7215086 0.7050694 0.6889914 0.67326754 0.6578909 0.6428546 0.62815183 0.6137759 0.59972024 0.5859782 0.57254344 0.55940956 0.54657036 0.53401965 0.52175134 0.5097595 0.4980383 0.48658192 0.4753847 0.4644411 0.45374563 0.44329298 0.43307778 0.42309493 0.41333935 0.40380603 0.3944901 0.3853868 0.3764914 0.3677993 0.359306 0.3510071 0.34289825 0.33497518 0.3272338 0.31967 0.3122798 0.3050593 0.2980047 0.2911122 0.28437823 0.27779916 0.27137148 0.26509178 0.2589567 0.25296292 0.2471073 0.24138664 0.2357979 0.23033805 0.22500417 0.21979338 0.21470286 0.20972987 0.20487171 0.20012577 0.19548947 0.1909603 0.1865358 0.18221357 0.17799127 0.17386658 0.1698373 0.1659012 0.16205615 0.15830006 0.15463088 0.1510466 0.14754528 0.144125 0.14078389 0.13752013 0.13433194 0.13121758 0.12817533 0.12520353 0.122300565 0.11946484 0.11669479 0.11398892 0.11134574 0.10876379 0.10624167 0.10377799 0.1013714 0.09902057 0.09672423 0.0944811 0.09228997 0.09014962 0.08805888 0.0860166 0.08402167 0.08207298 0.08016946 0.07831008 0.0764938 0.07471963 0.07298659 0.071293734 0.06964013 0.06802487 0.06644706 0.06490583 0.06340034 0.06192977 0.060493294 0.05909013 0.057719506 0.056380667 0.055072874 0.053795412 0.052547574 0.051328678 0.05013805

</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="3.25" PeakHeight="254.968" Num="5" zHalfNm="237.334" Error="0.323">
-44.487 0.51 -0.344 0.193 -0.07
</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="6513.59" A="-1.34661464E11" B="4.156218E7" C="-3206.833" Error="0.00165"/>
<QuasiParabolic ID="2" StartDistance="6513.59" EndDistance="6547.18" A="0.0" B="-1876.2662" C="0.32808512" Error="0.0377"/>
<QuasiParabolic ID="3" StartDistance="6547.18" EndDistance="6579.0" A="5.9583484E10" B="-1.8262254E7" C="1399.3645" Error="0.0377"/>
<QuasiParabolic ID="4" StartDistance="6579.0" EndDistance="6581.0" A="4.9960819E12" B="-1.51894579E9" C="115450.4" Error="0.0192"/>
<QuasiParabolic ID="5" StartDistance="6581.0" EndDistance="6587.0" A="8.5835928E12" B="-2.60920883E9" C="198284.55" Error="0.0585"/>
<QuasiParabolic ID="6" StartDistance="6587.0" EndDistance="6613.0" A="1.53783611E13" B="-4.6722934E9" C="354887.28" Error="0.0584"/>
<QuasiParabolic ID="7" StartDistance="6613.0" EndDistance="6624.968" A="-3.9068147E13" B="1.17942149E10" C="-890123.2" Error="0.00987"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="100.77" Depth="0.154"/>
<TopsideChapman PeakHeight="254.968" PeakDensity="131048.39" PeakScaleHeight="13.314" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
