<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-21 -141 00:40:00.000"
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" >
2026.05.21 (141) 00:40:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" 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">
FF202614105210040001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.575" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.727" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.323" 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="3.975" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="227.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="227.500" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.350" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="257.500" 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="242.292" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="221.096" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.709" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="30.305" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.097" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="16.430" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="27.300" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.180" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="26">
<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 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
227.500 230.000 230.000 232.500 232.500 234.375 236.250 238.125 240.000 242.500 245.000 245.000 247.500 250.000 252.500 255.000 257.500 262.500 265.000 270.000 280.000 282.500 292.500 304.246 324.136 365.139
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 69 69 90 90 0 0 0 81 93 90 93 96 96 93 96 96 99 99 99 93 81 81 75 72 69
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="405">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 137.41667 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 164.83333 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 192.25 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 242.292 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0
</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 0.35339895 0.35261247 0.35145745 0.35001534 0.348294 0.34623033 0.34376696 0.34099412 0.3378617 0.33439493 0.33055604 0.32631677 0.32166007 0.316581 0.31108782 0.3051483 0.29865354 0.2916688 0.28410435 0.27593207 0.26707086 0.25740978 0.24700987 0.23557876 0.22317484 0.20959583 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 0.20093617 0.20655319 0.21217021 0.21778724 0.22340426 0.22902128 0.2346383 0.24025533 0.24587233 0.25148937 0.2571064 0.26272342 0.26834044 0.27395746 0.27957445 0.28519148 0.2908085 0.29642552 0.30204254 0.30765957 0.3132766 0.3188936 0.32451063 0.33012766 0.33574468 0.3413617 0.34697872 0.35259575 0.354 0.37470996 0.4068296 0.44434333 0.48688254 0.53354406 0.583306 0.6353352 0.6891452 0.74455184 0.8015508 0.8602902 0.92096484 0.9838572 1.0492724 1.1175644 1.1891097 1.2643241 1.3436283 1.4274716 1.5162911 1.6104528 1.71023 1.8156525 1.9264439 2.0418298 2.1605325 2.2807286 2.4002497 2.5169072 2.6287937 2.7344506 2.8330295 2.9241228 3.0076973 3.0839424 3.1531847 3.21583 3.2722793 3.3229237 3.3681262 3.4082155 3.443473 3.4741552 3.5004742 3.5226128 3.540717 3.5549142 3.565293 3.5719216 3.574843 3.575 3.5743575 3.5713093 3.565845 3.5580657 3.5480728 3.5359683 3.5218534 3.5058289 3.4879942 3.4684474 3.447286 3.424604 3.4004946 3.3750484 3.348354 3.3204975 3.2915618 3.2616284 3.2307746 3.1990764 3.1666064 3.1334343 3.0996275 3.0652502 3.030364 2.9950283 2.959299 2.9232302 2.8868728 2.8502753 2.8134842 2.7765431 2.7394936 2.7023752 2.6652243 2.6280763 2.590964 2.5539186 2.5169687 2.4801419 2.4434633 2.406957 2.370645 2.334548 2.2986853 2.2630744 2.227732 2.192673 2.1579115 2.12346 2.0893304 2.0555334 2.0220783 1.9889737 1.9562278 1.9238472 1.8918381 1.8602059 1.8289553 1.7980901 1.7676139 1.7375294 1.7078387 1.6785436 1.6496451 1.6211442 1.593041 1.5653354 1.5380269 1.5111147 1.4845977 1.4584744 1.432743 1.4074013 1.3824474 1.3578786 1.3336923 1.3098855 1.2864553 1.2633984 1.2407115 1.218391 1.1964333 1.1748348 1.1535918 1.1327 1.1121558 1.091955 1.0720935 1.0525672 1.0333719 1.0145034 0.9959574 0.97772956 0.95981574 0.9422115 0.92491263 0.90791476 0.8912136 0.87480485 0.8586842 0.8428474 0.8272902 0.81200826 0.79699755 0.7822537 0.7677727 0.75355035 0.73958254 0.72586524 0.7123944 0.69916606 0.6861763 0.6734212 0.66089684 0.6485994 0.63652515 0.6246704 0.6130313 0.6016044 0.590386 0.57937247 0.5685604 0.5579463 0.5475268 0.5372985 0.52725804 0.51740223 0.50772774 0.4982315 0.48891032 0.4797611 0.47078082 0.4619665 0.4533152 0.44482398 0.43649 0.42831045 0.42028257 0.41240364 0.40467095 0.3970819 0.3896339 0.3823244 0.37515083 0.3681108 0.36120188 0.35442165 0.34776777 0.34123796 0.33482993 0.32854146 0.32237038 0.31631452 0.3103718 0.30454007 0.29881737 0.29320163 0.28769094 0.2822833 0.27697688 0.27176976 0.26666012 0.26164618 0.25672615 0.25189826 0.24716085 0.24251223 0.23795074 0.23347479 0.22908276 0.22477311 0.2205443 0.21639483 0.21232322 0.20832804 0.20440783 0.20056123 0.19678684 0.19308333 0.18944937 0.18588367 0.18238494 0.17895195 0.17558345 0.17227826 0.16903518 0.16585304 0.16273072 0.15966709 0.15666105 0.15371153 0.15081747 0.14797783 0.14519158 0.14245774 0.1397753 0.13714333 0.13456087 0.13202699 0.12954076 0.12710132 0.12470776 0.122359246 0.12005492 0.11779396 0.115575545 0.11339887 0.11126317 0.10916766 0.10711159 0.10509422 0.10311481 0.10117268 0.099267095 0.09739739 0.09556287 0.0937629 0.091996804 0.09026396 0.08856375 0.08689554 0.085258745 0.083652765 0.08207703 0.080530964 0.079014 0.077525616 0.07606525 0.074632384 0.073226504 0.0718471 0.07049367 0.06916573 0.0678628 0.06658441 0.06533009 0.064099394 0.06289188 0.061707105 0.060544644 0.05940408 0.058284998 0.05718699 0.056109667 0.055052634 0.054015514 0.052997924 0.051999506 0.05101989 0.050058726

</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="3.575" PeakHeight="242.292" Num="5" zHalfNm="221.096" Error="2.112">
-53.267 6.021 -4.375 2.448 -0.869
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" 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="6507.417" A="-2.01785164E11" B="6.2279372E7" C="-4805.382" Error="0.00146"/>
<QuasiParabolic ID="2" StartDistance="6507.417" EndDistance="6534.833" A="0.0" B="244.28001" C="0.0024747916" Error="0.0036"/>
<QuasiParabolic ID="3" StartDistance="6534.833" EndDistance="6561.0" A="4.8035537E10" B="-1.4801007E7" C="1140.1328" Error="0.014"/>
<QuasiParabolic ID="4" StartDistance="6561.0" EndDistance="6568.0" A="7.4112293E12" B="-2.25933491E9" C="172191.34" Error="0.0153"/>
<QuasiParabolic ID="5" StartDistance="6568.0" EndDistance="6574.0" A="7.9036023E12" B="-2.40926592E9" C="183605.08" Error="0.00465"/>
<QuasiParabolic ID="6" StartDistance="6574.0" EndDistance="6579.0" A="1.43284754E13" B="-4.3638973E9" C="332268.88" Error="0.00131"/>
<QuasiParabolic ID="7" StartDistance="6579.0" EndDistance="6591.0" A="3.29674916E13" B="-1.00301128E10" C="762897.8" Error="0.0137"/>
<QuasiParabolic ID="8" StartDistance="6591.0" EndDistance="6612.292" A="-2.69389283E13" B="8.1481364E9" C="-616122.75" Error="0.00601"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="82.25" Depth="0.154"/>
<TopsideChapman PeakHeight="242.292" PeakDensity="158568.55" PeakScaleHeight="16.43" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
