<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-07 -127 08:20:00.000"
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="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) 08:20:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.99" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202612705070820001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.250" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.733" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.132" 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="3.575" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="252.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="252.500" 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="3.100" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="265.147" 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="247.627" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="231.217" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.573" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="23.497" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.709" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="12.604" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="22.380" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.650" 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" >
252.500 255.000 255.000 257.500 259.551 262.047 265.147 269.103 274.327 281.542 292.156 309.312 341.753
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
63 69 69 93 93 96 96 96 93 108 111 102 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 -10.9375
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="348">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 142.723 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 175.446 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 208.169 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 247.627 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0
</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 0.35298675 0.35220242 0.35119912 0.34998095 0.3485529 0.34684834 0.3449482 0.34278953 0.34038416 0.33767655 0.3348195 0.33162674 0.32818824 0.32446402 0.3204834 0.3161594 0.31153682 0.30660808 0.30132452 0.29573387 0.28970376 0.28326505 0.27639407 0.26904562 0.26119033 0.25273484 0.24369678 0.23401009 0.223548 0.21227992 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 0.20260721 0.20731339 0.21201956 0.21672572 0.2214319 0.22613807 0.23084424 0.2355504 0.24025658 0.24496275 0.24966891 0.2543751 0.25908124 0.26378742 0.2684936 0.27319977 0.27790594 0.28261212 0.2873183 0.29202443 0.2967306 0.30143678 0.30614296 0.31084913 0.3155553 0.32026148 0.32496762 0.3296738 0.33437997 0.33908615 0.34379232 0.3484985 0.35320467 0.354 0.383154 0.42484805 0.47373298 0.52883595 0.5887933 0.6524038 0.7189926 0.7882867 0.8603321 0.93533736 1.0136042 1.0954864 1.1813895 1.2716796 1.3666774 1.4666255 1.5716236 1.6814904 1.7957731 1.913534 2.0334442 2.1538262 2.2727168 2.3881667 2.498447 2.6021845 2.6984632 2.7866943 2.8666925 2.9384341 3.0020916 3.0578878 3.10608 3.146944 3.1807215 3.207631 3.2278535 3.2415261 3.2487433 3.25 3.2497237 3.2463198 3.2391963 3.228557 3.2146068 3.1975498 3.1775882 3.1549215 3.1297452 3.1022503 3.0726223 3.0410404 3.007678 2.972702 2.9362714 2.8985393 2.8596509 2.819744 2.77895 2.7373922 2.6951873 2.652445 2.609269 2.5657547 2.521993 2.4780674 2.434056 2.3900316 2.3460608 2.3022056 2.2585227 2.2150648 2.171879 2.1290097 2.086496 2.044374 2.002676 1.9614313 1.9206659 1.8804027 1.8406622 1.8014624 1.7628188 1.7247447 1.6872514 1.6503484 1.6140434 1.5783422 1.5432495 1.5087686 1.4749012 1.4416482 1.4090095 1.3769833 1.345568 1.3147601 1.2845563 1.2549521 1.2259425 1.1975219 1.1696846 1.142424 1.1157333 1.0896053 1.0640328 1.0390079 1.0145228 0.99056935 0.96713936 0.9442245 0.9218162 0.89990586 0.87848496 0.85754484 0.8370768 0.8170721 0.7975222 0.7784183 0.7597519 0.74151444 0.7236973 0.7062922 0.6892907 0.67268455 0.6564655 0.6406255 0.6251566 0.6100508 0.59530044 0.5808978 0.5668353 0.55310553 0.53970116 0.5266151 0.5138401 0.50136924 0.4891958 0.47731298 0.46571422 0.45439306 0.44334313 0.4325583 0.4220324 0.41175944 0.40173364 0.39194924 0.38240057 0.37308222 0.36398876 0.35511488 0.34645548 0.3380055 0.32976 0.32171413 0.3138632 0.30620253 0.29872763 0.2914341 0.2843176 0.27737394 0.27059895 0.2639886 0.25753897 0.2512462 0.24510655 0.2391163 0.23327185 0.22756974 0.22200651 0.21657884 0.21128343 0.2061171 0.20107673 0.19615927 0.19136177 0.1866813 0.18211503 0.17766021 0.17331412 0.16907415 0.16493769 0.16090223 0.15696535 0.15312463 0.14937773 0.14572237 0.14215635 0.13867746 0.1352836 0.13197269 0.12874271 0.12559171 0.122517735 0.11951893 0.11659344 0.113739505 0.110955365 0.108239315 0.105589695 0.103004895 0.10048332 0.09802343 0.09562372 0.09328272 0.090999 0.08877116 0.08659782 0.08447768 0.082409404 0.08039175 0.07842348 0.07650337 0.07463025 0.07280299 0.07102044 0.069281526 0.06758517 0.06593034 0.06431601 0.062741205 0.061204948 0.059706297 0.058244333 0.056818154 0.055426892 0.05406969 0.052745715 0.051454153 0.05019421

</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="247.627" Num="5" zHalfNm="231.217" Error="1.261">
-40.995 2.86 -2.005 1.151 -0.469
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" 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="6512.723" A="-1.41855867E11" B="4.3782676E7" C="-3378.1677" Error="0.00162"/>
<QuasiParabolic ID="2" StartDistance="6512.723" EndDistance="6545.446" A="0.0" B="-724.9215" C="0.15133841" Error="0.0147"/>
<QuasiParabolic ID="3" StartDistance="6545.446" EndDistance="6575.0" A="5.1887464E10" B="-1.5927319E7" C="1222.2731" Error="0.0147"/>
<QuasiParabolic ID="4" StartDistance="6575.0" EndDistance="6577.0" A="-8.7006858E11" B="2.645156E8" C="-20104.184" Error="0.00238"/>
<QuasiParabolic ID="5" StartDistance="6577.0" EndDistance="6582.0" A="1.14253376E13" B="-3.47439437E9" C="264137.12" Error="0.0214"/>
<QuasiParabolic ID="6" StartDistance="6582.0" EndDistance="6584.0" A="9.5269484E12" B="-2.89755187E9" C="220317.42" Error="0.00113"/>
<QuasiParabolic ID="7" StartDistance="6584.0" EndDistance="6591.0" A="1.54352201E13" B="-4.6922885E9" C="356612.72" Error="0.0147"/>
<QuasiParabolic ID="8" StartDistance="6591.0" EndDistance="6603.0" A="3.18697835E13" B="-9.6792596E9" C="734929.44" Error="0.0214"/>
<QuasiParabolic ID="9" StartDistance="6603.0" EndDistance="6617.627" A="-3.9040326E13" B="1.17988905E10" C="-891463.9" Error="0.0087"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="98.169" Depth="0.154"/>
<TopsideChapman PeakHeight="247.627" PeakDensity="131048.39" PeakScaleHeight="12.604" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
